/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 00:12:53,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 00:12:53,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 00:12:53,996 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 00:12:53,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 00:12:53,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 00:12:53,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 00:12:54,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 00:12:54,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 00:12:54,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 00:12:54,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 00:12:54,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 00:12:54,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 00:12:54,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 00:12:54,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 00:12:54,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 00:12:54,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 00:12:54,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 00:12:54,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 00:12:54,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 00:12:54,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 00:12:54,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 00:12:54,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 00:12:54,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 00:12:54,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 00:12:54,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 00:12:54,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 00:12:54,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 00:12:54,026 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-SemanticLbe.epf [2021-03-25 00:12:54,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 00:12:54,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 00:12:54,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 00:12:54,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 00:12:54,047 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 00:12:54,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 00:12:54,047 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 00:12:54,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 00:12:54,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 00:12:54,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 00:12:54,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 00:12:54,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 00:12:54,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 00:12:54,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 00:12:54,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 00:12:54,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 00:12:54,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 00:12:54,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 00:12:54,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 00:12:54,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 00:12:54,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 00:12:54,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 00:12:54,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 00:12:54,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 00:12:54,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 00:12:54,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 00:12:54,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 00:12:54,051 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 00:12:54,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 00:12:54,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 00:12:54,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 00:12:54,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 00:12:54,414 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 00:12:54,415 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 00:12:54,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl [2021-03-25 00:12:54,416 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1.wvr.bpl' [2021-03-25 00:12:54,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 00:12:54,453 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 00:12:54,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 00:12:54,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 00:12:54,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 00:12:54,465 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 25.03 12:12:54" (1/1) ... [2021-03-25 00:12:54,472 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 25.03 12:12:54" (1/1) ... [2021-03-25 00:12:54,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 00:12:54,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 00:12:54,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 00:12:54,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 00:12:54,487 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 25.03 12:12:54" (1/1) ... [2021-03-25 00:12:54,487 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 25.03 12:12:54" (1/1) ... [2021-03-25 00:12:54,489 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 25.03 12:12:54" (1/1) ... [2021-03-25 00:12:54,490 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 25.03 12:12:54" (1/1) ... [2021-03-25 00:12:54,493 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 25.03 12:12:54" (1/1) ... [2021-03-25 00:12:54,495 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 25.03 12:12:54" (1/1) ... [2021-03-25 00:12:54,496 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 25.03 12:12:54" (1/1) ... [2021-03-25 00:12:54,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 00:12:54,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 00:12:54,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 00:12:54,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 00:12:54,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:12:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 00:12:54,566 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-25 00:12:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-25 00:12:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-25 00:12:54,569 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-25 00:12:54,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-25 00:12:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-25 00:12:54,569 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 00:12:54,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 00:12:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 00:12:54,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-25 00:12:54,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-25 00:12:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-25 00:12:54,570 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-25 00:12:54,570 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-25 00:12:54,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-25 00:12:54,571 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 00:12:54,782 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 00:12:54,782 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-25 00:12:54,783 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-25 00:12:54,783 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-03-25 00:12:54,783 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-03-25 00:12:54,783 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-03-25 00:12:54,784 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 12:12:54 BoogieIcfgContainer [2021-03-25 00:12:54,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 00:12:54,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 00:12:54,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 00:12:54,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 00:12:54,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 12:12:54" (1/2) ... [2021-03-25 00:12:54,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58950439 and model type parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 12:12:54, skipping insertion in model container [2021-03-25 00:12:54,789 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 25.03 12:12:54" (2/2) ... [2021-03-25 00:12:54,790 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1.wvr.bpl [2021-03-25 00:12:54,794 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 00:12:54,813 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 00:12:54,814 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 00:12:54,858 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 00:12:54,882 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 00:12:54,899 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 00:12:54,899 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 00:12:54,899 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 00:12:54,900 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 00:12:54,900 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 00:12:54,900 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 00:12:54,900 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 00:12:54,900 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 00:12:54,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 29 transitions, 90 flow [2021-03-25 00:12:54,928 INFO L129 PetriNetUnfolder]: 4/25 cut-off events. [2021-03-25 00:12:54,928 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 00:12:54,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 25 events. 4/25 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 23 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-03-25 00:12:54,931 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 29 transitions, 90 flow [2021-03-25 00:12:54,934 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 23 transitions, 70 flow [2021-03-25 00:12:54,935 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 00:12:54,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 23 transitions, 70 flow [2021-03-25 00:12:54,951 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 23 transitions, 70 flow [2021-03-25 00:12:54,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 23 transitions, 70 flow [2021-03-25 00:12:54,960 INFO L129 PetriNetUnfolder]: 4/23 cut-off events. [2021-03-25 00:12:54,960 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 00:12:54,963 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 23 events. 4/23 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 29 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-03-25 00:12:54,965 INFO L142 LiptonReduction]: Number of co-enabled transitions 180 [2021-03-25 00:12:55,244 INFO L154 LiptonReduction]: Checked pairs total: 96 [2021-03-25 00:12:55,244 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 00:12:55,246 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 312 [2021-03-25 00:12:55,265 INFO L129 PetriNetUnfolder]: 4/17 cut-off events. [2021-03-25 00:12:55,266 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 00:12:55,266 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:12:55,266 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:12:55,267 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:12:55,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:12:55,273 INFO L82 PathProgramCache]: Analyzing trace with hash -2009852297, now seen corresponding path program 1 times [2021-03-25 00:12:55,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:12:55,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053617436] [2021-03-25 00:12:55,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:12:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:55,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:55,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053617436] [2021-03-25 00:12:55,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 00:12:55,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 00:12:55,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902346269] [2021-03-25 00:12:55,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 00:12:55,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:12:55,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 00:12:55,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 00:12:55,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:12:55,449 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:55,449 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:12:55,449 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:12:55,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:12:55,470 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][16], [18#L36true, thread4Thread1of1ForFork3InUse, 21#L79true, thread2Thread1of1ForFork1InUse, thread1Thread1of1ForFork0InUse, 9#L62true, thread3Thread1of1ForFork2InUse, 42#true, 10#L49true, 29#L23true]) [2021-03-25 00:12:55,470 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-25 00:12:55,471 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 00:12:55,471 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 00:12:55,471 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 00:12:55,477 INFO L129 PetriNetUnfolder]: 19/45 cut-off events. [2021-03-25 00:12:55,477 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-25 00:12:55,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 45 events. 19/45 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 90 event pairs, 0 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 64. Up to 22 conditions per place. [2021-03-25 00:12:55,479 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 5 selfloop transitions, 5 changer transitions 0/22 dead transitions. [2021-03-25 00:12:55,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 22 transitions, 88 flow [2021-03-25 00:12:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 00:12:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 00:12:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2021-03-25 00:12:55,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7549019607843137 [2021-03-25 00:12:55,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 77 transitions. [2021-03-25 00:12:55,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 77 transitions. [2021-03-25 00:12:55,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:12:55,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 77 transitions. [2021-03-25 00:12:55,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:55,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:55,496 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:55,498 INFO L185 Difference]: Start difference. First operand has 27 places, 18 transitions, 60 flow. Second operand 3 states and 77 transitions. [2021-03-25 00:12:55,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 22 transitions, 88 flow [2021-03-25 00:12:55,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 22 transitions, 72 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-25 00:12:55,502 INFO L241 Difference]: Finished difference. Result has 22 places, 22 transitions, 77 flow [2021-03-25 00:12:55,504 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=22, PETRI_TRANSITIONS=22} [2021-03-25 00:12:55,504 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -5 predicate places. [2021-03-25 00:12:55,505 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 22 transitions, 77 flow [2021-03-25 00:12:55,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:55,505 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:12:55,505 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:12:55,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 00:12:55,506 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:12:55,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:12:55,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1820931043, now seen corresponding path program 1 times [2021-03-25 00:12:55,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:12:55,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184829069] [2021-03-25 00:12:55,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:12:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:55,555 INFO L142 QuantifierPusher]: treesize reduction 27, result has 27.0 percent of original size [2021-03-25 00:12:55,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:55,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:12:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:55,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184829069] [2021-03-25 00:12:55,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024756431] [2021-03-25 00:12:55,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:55,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-25 00:12:55,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:12:55,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:55,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:55,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:55,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:55,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:55,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,706 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:55,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:55,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:55,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:55,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:55,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:55,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:55,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:55,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 00:12:55,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2021-03-25 00:12:55,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906919176] [2021-03-25 00:12:55,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 00:12:55,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:12:55,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 00:12:55,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 00:12:55,768 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:12:55,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 22 transitions, 77 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:55,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:12:55,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:12:55,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:12:55,824 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][16], [18#L36true, 21#L79true, 54#(<= i2 i1), 9#L62true, 10#L49true, 42#true, 29#L23true, Black: 44#(= s2 s1)]) [2021-03-25 00:12:55,824 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 00:12:55,824 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:12:55,825 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 00:12:55,828 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 00:12:55,829 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][26], [23#L81true, 9#L62true, 10#L49true, 42#true, 76#(<= (+ i2 1) i1), Black: 44#(= s2 s1)]) [2021-03-25 00:12:55,829 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 00:12:55,830 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 00:12:55,830 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:12:55,830 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:12:55,841 INFO L129 PetriNetUnfolder]: 34/72 cut-off events. [2021-03-25 00:12:55,843 INFO L130 PetriNetUnfolder]: For 11/21 co-relation queries the response was YES. [2021-03-25 00:12:55,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 72 events. 34/72 cut-off events. For 11/21 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 162 event pairs, 0 based on Foata normal form. 7/72 useless extension candidates. Maximal degree in co-relation 124. Up to 39 conditions per place. [2021-03-25 00:12:55,847 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 7 selfloop transitions, 12 changer transitions 0/31 dead transitions. [2021-03-25 00:12:55,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 31 transitions, 151 flow [2021-03-25 00:12:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 00:12:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 00:12:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-03-25 00:12:55,851 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-03-25 00:12:55,851 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-03-25 00:12:55,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-03-25 00:12:55,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:12:55,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-03-25 00:12:55,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:55,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:55,855 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:55,855 INFO L185 Difference]: Start difference. First operand has 22 places, 22 transitions, 77 flow. Second operand 4 states and 104 transitions. [2021-03-25 00:12:55,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 31 transitions, 151 flow [2021-03-25 00:12:55,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 31 transitions, 146 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 00:12:55,859 INFO L241 Difference]: Finished difference. Result has 27 places, 29 transitions, 160 flow [2021-03-25 00:12:55,859 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=160, PETRI_PLACES=27, PETRI_TRANSITIONS=29} [2021-03-25 00:12:55,860 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2021-03-25 00:12:55,860 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 29 transitions, 160 flow [2021-03-25 00:12:55,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:55,860 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:12:55,860 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:12:56,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-03-25 00:12:56,061 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:12:56,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:12:56,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1072818718, now seen corresponding path program 1 times [2021-03-25 00:12:56,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:12:56,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319499987] [2021-03-25 00:12:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:12:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:56,152 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 00:12:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,160 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-25 00:12:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:12:56,173 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-25 00:12:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:56,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319499987] [2021-03-25 00:12:56,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478242715] [2021-03-25 00:12:56,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:56,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-25 00:12:56,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:12:56,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,270 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-25 00:12:56,271 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-25 00:12:56,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:56,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:56,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:56,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:56,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:12:56,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:56,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:56,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:12:56,319 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2021-03-25 00:12:56,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:56,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:56,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:12:56,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:56,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:12:56,333 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:8 [2021-03-25 00:12:56,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:56,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:56,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:56,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:56,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:12:56,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-25 00:12:56,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830942369] [2021-03-25 00:12:56,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 00:12:56,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:12:56,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 00:12:56,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 00:12:56,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:12:56,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 29 transitions, 160 flow. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:56,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:12:56,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:12:56,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:12:56,508 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][18], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 18#L36true, 99#true, 21#L79true, 54#(<= i2 i1), 9#L62true, 10#L49true, 29#L23true, Black: 44#(= s2 s1)]) [2021-03-25 00:12:56,510 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 00:12:56,510 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:56,510 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:12:56,510 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:56,523 INFO L129 PetriNetUnfolder]: 48/100 cut-off events. [2021-03-25 00:12:56,523 INFO L130 PetriNetUnfolder]: For 93/167 co-relation queries the response was YES. [2021-03-25 00:12:56,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 310 conditions, 100 events. 48/100 cut-off events. For 93/167 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 284 event pairs, 0 based on Foata normal form. 17/105 useless extension candidates. Maximal degree in co-relation 256. Up to 55 conditions per place. [2021-03-25 00:12:56,527 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 12 selfloop transitions, 13 changer transitions 0/37 dead transitions. [2021-03-25 00:12:56,527 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 37 transitions, 270 flow [2021-03-25 00:12:56,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 00:12:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 00:12:56,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2021-03-25 00:12:56,532 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6411764705882353 [2021-03-25 00:12:56,533 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 109 transitions. [2021-03-25 00:12:56,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 109 transitions. [2021-03-25 00:12:56,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:12:56,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 109 transitions. [2021-03-25 00:12:56,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.8) internal successors, (109), 5 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:56,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:56,535 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:56,535 INFO L185 Difference]: Start difference. First operand has 27 places, 29 transitions, 160 flow. Second operand 5 states and 109 transitions. [2021-03-25 00:12:56,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 37 transitions, 270 flow [2021-03-25 00:12:56,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 37 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 00:12:56,540 INFO L241 Difference]: Finished difference. Result has 33 places, 37 transitions, 276 flow [2021-03-25 00:12:56,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=276, PETRI_PLACES=33, PETRI_TRANSITIONS=37} [2021-03-25 00:12:56,540 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2021-03-25 00:12:56,541 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 37 transitions, 276 flow [2021-03-25 00:12:56,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:56,541 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:12:56,541 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:12:56,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:56,744 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:12:56,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:12:56,744 INFO L82 PathProgramCache]: Analyzing trace with hash 289047368, now seen corresponding path program 1 times [2021-03-25 00:12:56,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:12:56,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914152914] [2021-03-25 00:12:56,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:12:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:56,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:12:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:56,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914152914] [2021-03-25 00:12:56,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26221282] [2021-03-25 00:12:56,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:56,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-25 00:12:56,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:12:56,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:56,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:56,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:56,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:56,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:56,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:56,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:56,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:56,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:56,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:56,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:56,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:56,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 00:12:56,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2021-03-25 00:12:56,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500111985] [2021-03-25 00:12:56,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 00:12:56,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:12:56,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 00:12:56,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 00:12:56,911 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:12:56,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 37 transitions, 276 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:56,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:12:56,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:12:56,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:12:56,941 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][17], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 99#true, 9#L62true, 10#L49true, Black: 44#(= s2 s1), 18#L36true, 21#L79true, 54#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-25 00:12:56,942 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 00:12:56,942 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:12:56,942 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:56,942 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:56,950 INFO L129 PetriNetUnfolder]: 63/129 cut-off events. [2021-03-25 00:12:56,950 INFO L130 PetriNetUnfolder]: For 236/354 co-relation queries the response was YES. [2021-03-25 00:12:56,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 468 conditions, 129 events. 63/129 cut-off events. For 236/354 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 402 event pairs, 0 based on Foata normal form. 17/132 useless extension candidates. Maximal degree in co-relation 396. Up to 72 conditions per place. [2021-03-25 00:12:56,952 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 21 selfloop transitions, 13 changer transitions 0/46 dead transitions. [2021-03-25 00:12:56,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 46 transitions, 408 flow [2021-03-25 00:12:56,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 00:12:56,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 00:12:56,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-03-25 00:12:56,953 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-03-25 00:12:56,954 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-03-25 00:12:56,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-03-25 00:12:56,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:12:56,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-03-25 00:12:56,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:56,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:56,955 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:56,955 INFO L185 Difference]: Start difference. First operand has 33 places, 37 transitions, 276 flow. Second operand 4 states and 104 transitions. [2021-03-25 00:12:56,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 46 transitions, 408 flow [2021-03-25 00:12:56,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 46 transitions, 374 flow, removed 10 selfloop flow, removed 2 redundant places. [2021-03-25 00:12:56,959 INFO L241 Difference]: Finished difference. Result has 37 places, 44 transitions, 358 flow [2021-03-25 00:12:56,959 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=358, PETRI_PLACES=37, PETRI_TRANSITIONS=44} [2021-03-25 00:12:56,959 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 10 predicate places. [2021-03-25 00:12:56,959 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 44 transitions, 358 flow [2021-03-25 00:12:56,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:56,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:12:56,959 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:12:57,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:57,182 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:12:57,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:12:57,182 INFO L82 PathProgramCache]: Analyzing trace with hash -49761702, now seen corresponding path program 2 times [2021-03-25 00:12:57,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:12:57,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067288988] [2021-03-25 00:12:57,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:12:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:57,215 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 00:12:57,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:57,221 INFO L142 QuantifierPusher]: treesize reduction 27, result has 12.9 percent of original size [2021-03-25 00:12:57,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:12:57,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:12:57,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:12:57,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:12:57,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067288988] [2021-03-25 00:12:57,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326160152] [2021-03-25 00:12:57,233 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:57,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 00:12:57,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:12:57,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 00:12:57,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:12:57,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:57,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:57,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:57,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:57,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:57,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:57,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:57,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:57,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:57,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:57,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:57,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:57,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:12:57,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:57,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:12:57,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:57,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:12:57,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2021-03-25 00:12:57,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557981604] [2021-03-25 00:12:57,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 00:12:57,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:12:57,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 00:12:57,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 00:12:57,371 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 00:12:57,372 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 44 transitions, 358 flow. Second operand has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:57,372 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:12:57,372 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 00:12:57,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:12:57,480 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][20], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 18#L36true, 21#L79true, 54#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-25 00:12:57,481 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 00:12:57,481 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:57,481 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:57,481 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:12:57,484 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][50], [Black: 54#(<= i2 i1), Black: 47#true, 9#L62true, 10#L49true, 76#(<= (+ i2 1) i1), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 23#L81true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true]) [2021-03-25 00:12:57,484 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 00:12:57,484 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:12:57,484 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:12:57,484 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:12:57,507 INFO L129 PetriNetUnfolder]: 121/240 cut-off events. [2021-03-25 00:12:57,508 INFO L130 PetriNetUnfolder]: For 548/668 co-relation queries the response was YES. [2021-03-25 00:12:57,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 930 conditions, 240 events. 121/240 cut-off events. For 548/668 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 939 event pairs, 0 based on Foata normal form. 40/258 useless extension candidates. Maximal degree in co-relation 806. Up to 122 conditions per place. [2021-03-25 00:12:57,513 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 12 selfloop transitions, 52 changer transitions 0/76 dead transitions. [2021-03-25 00:12:57,513 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 76 transitions, 802 flow [2021-03-25 00:12:57,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 00:12:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 00:12:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 238 transitions. [2021-03-25 00:12:57,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7 [2021-03-25 00:12:57,515 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 238 transitions. [2021-03-25 00:12:57,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 238 transitions. [2021-03-25 00:12:57,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:12:57,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 238 transitions. [2021-03-25 00:12:57,516 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 23.8) internal successors, (238), 10 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:57,519 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:57,519 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:57,519 INFO L185 Difference]: Start difference. First operand has 37 places, 44 transitions, 358 flow. Second operand 10 states and 238 transitions. [2021-03-25 00:12:57,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 76 transitions, 802 flow [2021-03-25 00:12:57,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 76 transitions, 770 flow, removed 16 selfloop flow, removed 0 redundant places. [2021-03-25 00:12:57,524 INFO L241 Difference]: Finished difference. Result has 49 places, 74 transitions, 807 flow [2021-03-25 00:12:57,525 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=807, PETRI_PLACES=49, PETRI_TRANSITIONS=74} [2021-03-25 00:12:57,525 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 22 predicate places. [2021-03-25 00:12:57,525 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 74 transitions, 807 flow [2021-03-25 00:12:57,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.11111111111111) internal successors, (190), 9 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:57,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:12:57,525 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:12:57,739 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:57,740 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:12:57,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:12:57,740 INFO L82 PathProgramCache]: Analyzing trace with hash 497726725, now seen corresponding path program 1 times [2021-03-25 00:12:57,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:12:57,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336622960] [2021-03-25 00:12:57,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:12:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:57,770 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 00:12:57,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:57,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:57,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:57,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:12:57,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:57,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336622960] [2021-03-25 00:12:57,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084107535] [2021-03-25 00:12:57,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 00:12:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:57,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 00:12:57,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:12:57,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:57,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:57,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:57,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:57,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:57,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:57,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:57,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:57,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:12:57,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,909 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:57,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:12:57,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:57,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:57,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:57,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:57,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:57,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:57,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:57,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:57,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 00:12:57,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 7 [2021-03-25 00:12:57,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921374528] [2021-03-25 00:12:57,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 00:12:57,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:12:57,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 00:12:57,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-25 00:12:57,952 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:12:57,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 74 transitions, 807 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:57,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:12:57,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:12:57,952 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:12:57,997 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][18], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 18#L36true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 54#(<= i2 i1), 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-25 00:12:57,998 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 00:12:57,998 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:57,998 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:12:57,998 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:58,015 INFO L129 PetriNetUnfolder]: 144/289 cut-off events. [2021-03-25 00:12:58,015 INFO L130 PetriNetUnfolder]: For 840/946 co-relation queries the response was YES. [2021-03-25 00:12:58,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1330 conditions, 289 events. 144/289 cut-off events. For 840/946 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1225 event pairs, 0 based on Foata normal form. 35/302 useless extension candidates. Maximal degree in co-relation 1160. Up to 148 conditions per place. [2021-03-25 00:12:58,020 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 30 selfloop transitions, 48 changer transitions 0/90 dead transitions. [2021-03-25 00:12:58,021 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 90 transitions, 1161 flow [2021-03-25 00:12:58,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 00:12:58,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 00:12:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2021-03-25 00:12:58,022 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7705882352941177 [2021-03-25 00:12:58,022 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 131 transitions. [2021-03-25 00:12:58,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 131 transitions. [2021-03-25 00:12:58,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:12:58,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 131 transitions. [2021-03-25 00:12:58,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:58,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:58,023 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 34.0) internal successors, (204), 6 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:58,023 INFO L185 Difference]: Start difference. First operand has 49 places, 74 transitions, 807 flow. Second operand 5 states and 131 transitions. [2021-03-25 00:12:58,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 90 transitions, 1161 flow [2021-03-25 00:12:58,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 90 transitions, 1000 flow, removed 78 selfloop flow, removed 1 redundant places. [2021-03-25 00:12:58,032 INFO L241 Difference]: Finished difference. Result has 54 places, 88 transitions, 1005 flow [2021-03-25 00:12:58,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1005, PETRI_PLACES=54, PETRI_TRANSITIONS=88} [2021-03-25 00:12:58,032 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 27 predicate places. [2021-03-25 00:12:58,032 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 88 transitions, 1005 flow [2021-03-25 00:12:58,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:58,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:12:58,033 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:12:58,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-25 00:12:58,258 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:12:58,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:12:58,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1280353494, now seen corresponding path program 3 times [2021-03-25 00:12:58,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:12:58,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483834020] [2021-03-25 00:12:58,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:12:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:58,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:58,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:58,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:12:58,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:12:58,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:58,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483834020] [2021-03-25 00:12:58,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133444925] [2021-03-25 00:12:58,297 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 [2021-03-25 00:12:58,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-25 00:12:58,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:12:58,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 00:12:58,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:12:58,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:58,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:58,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:58,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:58,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:58,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:12:58,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:58,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:12:58,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:58,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:58,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:12:58,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:58,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:58,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:12:58,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:58,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:58,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:58,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:58,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:58,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:12:58,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:58,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:12:58,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2021-03-25 00:12:58,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109529989] [2021-03-25 00:12:58,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 00:12:58,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:12:58,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 00:12:58,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-25 00:12:58,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:12:58,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 88 transitions, 1005 flow. Second operand has 8 states, 8 states have (on average 23.25) internal successors, (186), 8 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:58,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:12:58,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:12:58,413 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:12:58,498 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][22], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 54#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-25 00:12:58,498 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 00:12:58,498 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:58,498 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:58,498 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:12:58,521 INFO L129 PetriNetUnfolder]: 201/394 cut-off events. [2021-03-25 00:12:58,521 INFO L130 PetriNetUnfolder]: For 1562/1715 co-relation queries the response was YES. [2021-03-25 00:12:58,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1925 conditions, 394 events. 201/394 cut-off events. For 1562/1715 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1811 event pairs, 0 based on Foata normal form. 47/407 useless extension candidates. Maximal degree in co-relation 1704. Up to 132 conditions per place. [2021-03-25 00:12:58,527 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 28 selfloop transitions, 81 changer transitions 0/121 dead transitions. [2021-03-25 00:12:58,527 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 121 transitions, 1669 flow [2021-03-25 00:12:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 00:12:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 00:12:58,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 236 transitions. [2021-03-25 00:12:58,529 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7712418300653595 [2021-03-25 00:12:58,529 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 236 transitions. [2021-03-25 00:12:58,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 236 transitions. [2021-03-25 00:12:58,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:12:58,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 236 transitions. [2021-03-25 00:12:58,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 26.22222222222222) internal successors, (236), 9 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:58,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:58,530 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:58,530 INFO L185 Difference]: Start difference. First operand has 54 places, 88 transitions, 1005 flow. Second operand 9 states and 236 transitions. [2021-03-25 00:12:58,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 121 transitions, 1669 flow [2021-03-25 00:12:58,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 121 transitions, 1533 flow, removed 61 selfloop flow, removed 1 redundant places. [2021-03-25 00:12:58,541 INFO L241 Difference]: Finished difference. Result has 64 places, 117 transitions, 1579 flow [2021-03-25 00:12:58,541 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=933, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1579, PETRI_PLACES=64, PETRI_TRANSITIONS=117} [2021-03-25 00:12:58,541 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 37 predicate places. [2021-03-25 00:12:58,541 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 117 transitions, 1579 flow [2021-03-25 00:12:58,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 23.25) internal successors, (186), 8 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:58,542 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:12:58,542 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:12:58,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:58,760 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:12:58,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:12:58,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1163697322, now seen corresponding path program 4 times [2021-03-25 00:12:58,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:12:58,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612300379] [2021-03-25 00:12:58,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:12:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:58,805 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 00:12:58,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:12:58,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:12:58,818 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-25 00:12:58,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:58,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:58,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612300379] [2021-03-25 00:12:58,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669189273] [2021-03-25 00:12:58,830 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:58,875 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 00:12:58,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:12:58,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-25 00:12:58,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:12:58,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:58,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,903 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-25 00:12:58,904 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-25 00:12:58,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:12:58,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:12:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:12:58,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,919 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size 32 [2021-03-25 00:12:58,931 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 00:12:58,932 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:58,933 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-25 00:12:58,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:58,934 INFO L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-03-25 00:12:58,935 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-25 00:12:58,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:58,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:58,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:12:58,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-03-25 00:12:58,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:12:58,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 00:12:58,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,949 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 00:12:58,949 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:10 [2021-03-25 00:12:58,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:58,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:12:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:58,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:12:58,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-03-25 00:12:58,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142815347] [2021-03-25 00:12:58,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 00:12:58,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:12:58,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 00:12:58,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-25 00:12:58,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:12:58,991 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 117 transitions, 1579 flow. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 8 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:58,991 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:12:58,991 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:12:58,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:12:59,089 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][18], [Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 54#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-25 00:12:59,090 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 00:12:59,090 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:59,090 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:12:59,090 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 00:12:59,105 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][50], [Black: 54#(<= i2 i1), Black: 47#true, 9#L62true, 10#L49true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 44#(= s2 s1), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 348#(<= i2 i1), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true]) [2021-03-25 00:12:59,106 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 00:12:59,106 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:12:59,106 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:12:59,106 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:12:59,121 INFO L129 PetriNetUnfolder]: 235/464 cut-off events. [2021-03-25 00:12:59,121 INFO L130 PetriNetUnfolder]: For 1779/1866 co-relation queries the response was YES. [2021-03-25 00:12:59,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2450 conditions, 464 events. 235/464 cut-off events. For 1779/1866 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2270 event pairs, 0 based on Foata normal form. 30/460 useless extension candidates. Maximal degree in co-relation 2190. Up to 247 conditions per place. [2021-03-25 00:12:59,129 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 92 selfloop transitions, 33 changer transitions 0/137 dead transitions. [2021-03-25 00:12:59,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 137 transitions, 2089 flow [2021-03-25 00:12:59,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 00:12:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 00:12:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 154 transitions. [2021-03-25 00:12:59,130 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6470588235294118 [2021-03-25 00:12:59,130 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 154 transitions. [2021-03-25 00:12:59,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 154 transitions. [2021-03-25 00:12:59,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:12:59,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 154 transitions. [2021-03-25 00:12:59,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:59,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:59,132 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 34.0) internal successors, (272), 8 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:59,132 INFO L185 Difference]: Start difference. First operand has 64 places, 117 transitions, 1579 flow. Second operand 7 states and 154 transitions. [2021-03-25 00:12:59,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 137 transitions, 2089 flow [2021-03-25 00:12:59,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 137 transitions, 1994 flow, removed 37 selfloop flow, removed 2 redundant places. [2021-03-25 00:12:59,144 INFO L241 Difference]: Finished difference. Result has 71 places, 137 transitions, 1882 flow [2021-03-25 00:12:59,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1484, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1882, PETRI_PLACES=71, PETRI_TRANSITIONS=137} [2021-03-25 00:12:59,144 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 44 predicate places. [2021-03-25 00:12:59,144 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 137 transitions, 1882 flow [2021-03-25 00:12:59,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 8 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:59,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:12:59,144 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:12:59,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:59,360 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:12:59,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:12:59,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1270276865, now seen corresponding path program 5 times [2021-03-25 00:12:59,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:12:59,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52261673] [2021-03-25 00:12:59,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:12:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:12:59,409 INFO L142 QuantifierPusher]: treesize reduction 37, result has 43.1 percent of original size [2021-03-25 00:12:59,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:12:59,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:12:59,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,442 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-25 00:12:59,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:12:59,468 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 00:12:59,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:59,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52261673] [2021-03-25 00:12:59,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835603966] [2021-03-25 00:12:59,481 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:12:59,521 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 00:12:59,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:12:59,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-25 00:12:59,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:12:59,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:59,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:59,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:59,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:59,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:59,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:59,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:59,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:12:59,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:12:59,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,536 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-25 00:12:59,537 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-25 00:12:59,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:12:59,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,555 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-25 00:12:59,556 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-25 00:12:59,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:59,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:59,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:12:59,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,570 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 00:12:59,571 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:12:59,572 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-25 00:12:59,573 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-25 00:12:59,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:12:59,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:12:59,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,586 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-25 00:12:59,587 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-25 00:12:59,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:59,591 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:12:59,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:12:59,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:12:59,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:59,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:12:59,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:12:59,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,608 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 19 treesize of output 35 [2021-03-25 00:12:59,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,613 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:12:59,616 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:12:59,617 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.1 percent of original size [2021-03-25 00:12:59,622 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-25 00:12:59,624 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-25 00:12:59,625 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-25 00:12:59,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,627 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:12:59,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:12:59,649 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:52 [2021-03-25 00:12:59,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:12:59,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:12:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:12:59,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:12:59,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 00:12:59,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148935242] [2021-03-25 00:12:59,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 00:12:59,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:12:59,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 00:12:59,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 00:12:59,736 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:12:59,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 137 transitions, 1882 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:59,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:12:59,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:12:59,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:12:59,869 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][22], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 00:12:59,870 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 00:12:59,870 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:12:59,870 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:12:59,870 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:12:59,904 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 462#true, Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 348#(<= i2 i1), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-25 00:12:59,904 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:12:59,904 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:12:59,904 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:12:59,904 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:12:59,920 INFO L129 PetriNetUnfolder]: 256/507 cut-off events. [2021-03-25 00:12:59,920 INFO L130 PetriNetUnfolder]: For 2008/2134 co-relation queries the response was YES. [2021-03-25 00:12:59,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2740 conditions, 507 events. 256/507 cut-off events. For 2008/2134 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2550 event pairs, 0 based on Foata normal form. 34/503 useless extension candidates. Maximal degree in co-relation 2474. Up to 275 conditions per place. [2021-03-25 00:12:59,927 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 108 selfloop transitions, 29 changer transitions 0/149 dead transitions. [2021-03-25 00:12:59,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 149 transitions, 2348 flow [2021-03-25 00:12:59,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 00:12:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 00:12:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 175 transitions. [2021-03-25 00:12:59,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6433823529411765 [2021-03-25 00:12:59,929 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 175 transitions. [2021-03-25 00:12:59,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 175 transitions. [2021-03-25 00:12:59,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:12:59,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 175 transitions. [2021-03-25 00:12:59,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:59,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:59,931 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:59,931 INFO L185 Difference]: Start difference. First operand has 71 places, 137 transitions, 1882 flow. Second operand 8 states and 175 transitions. [2021-03-25 00:12:59,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 149 transitions, 2348 flow [2021-03-25 00:12:59,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 149 transitions, 2337 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 00:12:59,946 INFO L241 Difference]: Finished difference. Result has 78 places, 149 transitions, 2165 flow [2021-03-25 00:12:59,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1871, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2165, PETRI_PLACES=78, PETRI_TRANSITIONS=149} [2021-03-25 00:12:59,947 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 51 predicate places. [2021-03-25 00:12:59,947 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 149 transitions, 2165 flow [2021-03-25 00:12:59,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:12:59,947 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:12:59,947 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:00,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-03-25 00:13:00,168 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:00,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:00,168 INFO L82 PathProgramCache]: Analyzing trace with hash 652897947, now seen corresponding path program 1 times [2021-03-25 00:13:00,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:00,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047988616] [2021-03-25 00:13:00,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:00,249 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-25 00:13:00,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,257 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-03-25 00:13:00,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:00,270 INFO L142 QuantifierPusher]: treesize reduction 40, result has 57.9 percent of original size [2021-03-25 00:13:00,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 00:13:00,297 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-03-25 00:13:00,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:00,311 INFO L142 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size [2021-03-25 00:13:00,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:00,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047988616] [2021-03-25 00:13:00,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200518337] [2021-03-25 00:13:00,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:00,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-25 00:13:00,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:00,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:00,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,387 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-25 00:13:00,389 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-25 00:13:00,390 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-25 00:13:00,391 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-25 00:13:00,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:00,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:00,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:00,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:00,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:00,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:00,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:00,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:00,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:00,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:00,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,409 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-25 00:13:00,409 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-25 00:13:00,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:00,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:00,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:00,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,422 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 00:13:00,422 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:13:00,423 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-25 00:13:00,423 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-25 00:13:00,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:00,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:00,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:00,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:00,438 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:13:00,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:00,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:00,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:00,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:00,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:00,458 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,458 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 19 treesize of output 35 [2021-03-25 00:13:00,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,460 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:00,461 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:00,461 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.3 percent of original size [2021-03-25 00:13:00,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,466 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:00,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,486 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:00,486 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:54 [2021-03-25 00:13:00,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:00,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:00,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:00,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 00:13:00,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281120885] [2021-03-25 00:13:00,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 00:13:00,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:00,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 00:13:00,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-25 00:13:00,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:00,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 149 transitions, 2165 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:00,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:00,552 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:00,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:00,733 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][25], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 529#true, Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 00:13:00,734 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 00:13:00,734 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:00,734 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:00,734 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:00,756 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), 529#true, Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-25 00:13:00,757 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:13:00,757 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:00,757 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:00,757 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:00,772 INFO L129 PetriNetUnfolder]: 270/534 cut-off events. [2021-03-25 00:13:00,773 INFO L130 PetriNetUnfolder]: For 2339/2569 co-relation queries the response was YES. [2021-03-25 00:13:00,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2989 conditions, 534 events. 270/534 cut-off events. For 2339/2569 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2715 event pairs, 0 based on Foata normal form. 60/552 useless extension candidates. Maximal degree in co-relation 2712. Up to 287 conditions per place. [2021-03-25 00:13:00,781 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 112 selfloop transitions, 33 changer transitions 0/157 dead transitions. [2021-03-25 00:13:00,781 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 157 transitions, 2553 flow [2021-03-25 00:13:00,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 00:13:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 00:13:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 197 transitions. [2021-03-25 00:13:00,782 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6437908496732027 [2021-03-25 00:13:00,782 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 197 transitions. [2021-03-25 00:13:00,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 197 transitions. [2021-03-25 00:13:00,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:00,783 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 197 transitions. [2021-03-25 00:13:00,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 21.88888888888889) internal successors, (197), 9 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:00,784 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:00,784 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:00,784 INFO L185 Difference]: Start difference. First operand has 78 places, 149 transitions, 2165 flow. Second operand 9 states and 197 transitions. [2021-03-25 00:13:00,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 157 transitions, 2553 flow [2021-03-25 00:13:00,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 157 transitions, 2487 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-25 00:13:00,799 INFO L241 Difference]: Finished difference. Result has 84 places, 157 transitions, 2299 flow [2021-03-25 00:13:00,800 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2099, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2299, PETRI_PLACES=84, PETRI_TRANSITIONS=157} [2021-03-25 00:13:00,800 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 57 predicate places. [2021-03-25 00:13:00,800 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 157 transitions, 2299 flow [2021-03-25 00:13:00,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:00,801 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:00,801 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:01,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:01,012 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:01,012 INFO L82 PathProgramCache]: Analyzing trace with hash -908585765, now seen corresponding path program 2 times [2021-03-25 00:13:01,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:01,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752559450] [2021-03-25 00:13:01,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:01,038 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 00:13:01,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:01,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,054 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-25 00:13:01,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:01,078 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 00:13:01,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:01,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752559450] [2021-03-25 00:13:01,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070095503] [2021-03-25 00:13:01,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:01,127 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 00:13:01,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:01,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-25 00:13:01,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:01,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:01,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:01,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:01,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:01,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:01,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:01,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:01,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:01,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,173 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 00:13:01,174 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:13:01,175 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-25 00:13:01,175 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-25 00:13:01,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:01,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:01,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:01,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:01,195 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:13:01,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:01,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:01,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:01,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:01,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:01,212 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,212 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 19 treesize of output 35 [2021-03-25 00:13:01,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,215 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:01,216 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:01,217 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.3 percent of original size [2021-03-25 00:13:01,219 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 56 [2021-03-25 00:13:01,220 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 56 [2021-03-25 00:13:01,221 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size [2021-03-25 00:13:01,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:01,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,247 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:01,247 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:56 [2021-03-25 00:13:01,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:01,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:01,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 00:13:01,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946843804] [2021-03-25 00:13:01,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 00:13:01,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:01,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 00:13:01,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-25 00:13:01,318 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:01,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 157 transitions, 2299 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:01,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:01,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:01,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:01,522 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][22], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), 529#true, Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 598#true, 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 00:13:01,523 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 00:13:01,523 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:01,523 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:01,523 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:01,557 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), 529#true, Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 598#true, Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-25 00:13:01,557 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:13:01,557 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:01,557 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:01,557 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:01,574 INFO L129 PetriNetUnfolder]: 277/549 cut-off events. [2021-03-25 00:13:01,574 INFO L130 PetriNetUnfolder]: For 2501/2646 co-relation queries the response was YES. [2021-03-25 00:13:01,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3113 conditions, 549 events. 277/549 cut-off events. For 2501/2646 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2820 event pairs, 0 based on Foata normal form. 36/544 useless extension candidates. Maximal degree in co-relation 2828. Up to 295 conditions per place. [2021-03-25 00:13:01,581 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 116 selfloop transitions, 33 changer transitions 0/161 dead transitions. [2021-03-25 00:13:01,582 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 161 transitions, 2667 flow [2021-03-25 00:13:01,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 00:13:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 00:13:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 197 transitions. [2021-03-25 00:13:01,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6437908496732027 [2021-03-25 00:13:01,583 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 197 transitions. [2021-03-25 00:13:01,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 197 transitions. [2021-03-25 00:13:01,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:01,583 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 197 transitions. [2021-03-25 00:13:01,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 21.88888888888889) internal successors, (197), 9 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:01,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:01,585 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:01,585 INFO L185 Difference]: Start difference. First operand has 84 places, 157 transitions, 2299 flow. Second operand 9 states and 197 transitions. [2021-03-25 00:13:01,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 161 transitions, 2667 flow [2021-03-25 00:13:01,597 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 161 transitions, 2587 flow, removed 16 selfloop flow, removed 6 redundant places. [2021-03-25 00:13:01,601 INFO L241 Difference]: Finished difference. Result has 87 places, 161 transitions, 2377 flow [2021-03-25 00:13:01,601 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2219, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2377, PETRI_PLACES=87, PETRI_TRANSITIONS=161} [2021-03-25 00:13:01,602 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 60 predicate places. [2021-03-25 00:13:01,602 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 161 transitions, 2377 flow [2021-03-25 00:13:01,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:01,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:01,602 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:01,815 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:01,815 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:01,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:01,815 INFO L82 PathProgramCache]: Analyzing trace with hash 873048845, now seen corresponding path program 2 times [2021-03-25 00:13:01,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:01,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125945231] [2021-03-25 00:13:01,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:01,860 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 00:13:01,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,868 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.0 percent of original size [2021-03-25 00:13:01,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 00:13:01,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:01,890 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-03-25 00:13:01,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:01,903 INFO L142 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size [2021-03-25 00:13:01,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:01,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125945231] [2021-03-25 00:13:01,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727878963] [2021-03-25 00:13:01,925 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:01,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 00:13:01,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:01,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-25 00:13:01,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:01,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:01,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,978 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-03-25 00:13:01,979 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 00:13:01,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:01,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:01,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:01,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:01,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:01,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:01,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:01,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:01,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,997 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 00:13:01,997 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 00:13:01,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:01,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:01,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:02,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:02,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:02,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:02,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:02,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:02,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,030 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:13:02,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:02,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:02,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:02,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:02,045 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,045 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 19 treesize of output 35 [2021-03-25 00:13:02,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,048 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:02,049 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,050 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.1 percent of original size [2021-03-25 00:13:02,051 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-25 00:13:02,052 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-25 00:13:02,053 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-25 00:13:02,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,054 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:02,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,075 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:02,075 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:52 [2021-03-25 00:13:02,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:02,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:02,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:02,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 00:13:02,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179220431] [2021-03-25 00:13:02,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 00:13:02,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:02,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 00:13:02,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-25 00:13:02,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:02,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 161 transitions, 2377 flow. Second operand has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:02,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:02,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:02,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:02,338 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][27], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 598#true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 666#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 00:13:02,338 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 00:13:02,338 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:02,338 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:02,338 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:02,378 INFO L129 PetriNetUnfolder]: 290/578 cut-off events. [2021-03-25 00:13:02,378 INFO L130 PetriNetUnfolder]: For 2509/2593 co-relation queries the response was YES. [2021-03-25 00:13:02,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3256 conditions, 578 events. 290/578 cut-off events. For 2509/2593 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3017 event pairs, 0 based on Foata normal form. 17/556 useless extension candidates. Maximal degree in co-relation 2960. Up to 315 conditions per place. [2021-03-25 00:13:02,387 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 128 selfloop transitions, 29 changer transitions 0/169 dead transitions. [2021-03-25 00:13:02,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 169 transitions, 2791 flow [2021-03-25 00:13:02,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 00:13:02,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 00:13:02,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 175 transitions. [2021-03-25 00:13:02,388 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6433823529411765 [2021-03-25 00:13:02,389 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 175 transitions. [2021-03-25 00:13:02,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 175 transitions. [2021-03-25 00:13:02,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:02,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 175 transitions. [2021-03-25 00:13:02,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:02,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:02,390 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 34.0) internal successors, (306), 9 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:02,390 INFO L185 Difference]: Start difference. First operand has 87 places, 161 transitions, 2377 flow. Second operand 8 states and 175 transitions. [2021-03-25 00:13:02,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 169 transitions, 2791 flow [2021-03-25 00:13:02,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 169 transitions, 2707 flow, removed 18 selfloop flow, removed 6 redundant places. [2021-03-25 00:13:02,406 INFO L241 Difference]: Finished difference. Result has 90 places, 169 transitions, 2481 flow [2021-03-25 00:13:02,406 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2293, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2481, PETRI_PLACES=90, PETRI_TRANSITIONS=169} [2021-03-25 00:13:02,406 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 63 predicate places. [2021-03-25 00:13:02,406 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 169 transitions, 2481 flow [2021-03-25 00:13:02,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 19.0) internal successors, (209), 11 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:02,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:02,406 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:02,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-25 00:13:02,620 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:02,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:02,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1817877210, now seen corresponding path program 1 times [2021-03-25 00:13:02,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:02,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183468820] [2021-03-25 00:13:02,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:02,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:02,635 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 00:13:02,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:02,641 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 00:13:02,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:02,649 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-25 00:13:02,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:02,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:02,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:02,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183468820] [2021-03-25 00:13:02,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [272316121] [2021-03-25 00:13:02,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-03-25 00:13:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:02,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 00:13:02,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:02,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:02,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:02,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:02,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:02,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:02,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:02,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:02,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:02,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:02,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:02,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:02,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:02,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:02,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:02,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:02,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:02,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:02,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:02,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:02,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:02,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:02,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:02,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:02,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2021-03-25 00:13:02,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608717195] [2021-03-25 00:13:02,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 00:13:02,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:02,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 00:13:02,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-25 00:13:02,777 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:13:02,778 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 169 transitions, 2481 flow. Second operand has 11 states, 11 states have (on average 23.09090909090909) internal successors, (254), 11 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:02,778 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:02,778 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:13:02,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:02,908 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][22], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 666#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 00:13:02,908 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 00:13:02,908 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:02,908 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:02,908 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:02,950 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 666#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-25 00:13:02,950 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:13:02,951 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:02,951 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:02,951 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:02,989 INFO L129 PetriNetUnfolder]: 393/782 cut-off events. [2021-03-25 00:13:02,989 INFO L130 PetriNetUnfolder]: For 4348/4484 co-relation queries the response was YES. [2021-03-25 00:13:02,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4421 conditions, 782 events. 393/782 cut-off events. For 4348/4484 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4304 event pairs, 0 based on Foata normal form. 35/767 useless extension candidates. Maximal degree in co-relation 4068. Up to 243 conditions per place. [2021-03-25 00:13:03,002 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 94 selfloop transitions, 122 changer transitions 0/228 dead transitions. [2021-03-25 00:13:03,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 228 transitions, 3787 flow [2021-03-25 00:13:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 00:13:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 00:13:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 260 transitions. [2021-03-25 00:13:03,003 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-03-25 00:13:03,003 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 260 transitions. [2021-03-25 00:13:03,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 260 transitions. [2021-03-25 00:13:03,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:03,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 260 transitions. [2021-03-25 00:13:03,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 26.0) internal successors, (260), 10 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:03,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:03,006 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:03,006 INFO L185 Difference]: Start difference. First operand has 90 places, 169 transitions, 2481 flow. Second operand 10 states and 260 transitions. [2021-03-25 00:13:03,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 228 transitions, 3787 flow [2021-03-25 00:13:03,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 228 transitions, 3670 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-25 00:13:03,064 INFO L241 Difference]: Finished difference. Result has 93 places, 228 transitions, 3514 flow [2021-03-25 00:13:03,064 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2357, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3514, PETRI_PLACES=93, PETRI_TRANSITIONS=228} [2021-03-25 00:13:03,065 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 66 predicate places. [2021-03-25 00:13:03,065 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 228 transitions, 3514 flow [2021-03-25 00:13:03,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 23.09090909090909) internal successors, (254), 11 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:03,065 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:03,065 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:03,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-25 00:13:03,287 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:03,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:03,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1017458272, now seen corresponding path program 3 times [2021-03-25 00:13:03,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:03,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688285518] [2021-03-25 00:13:03,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:03,305 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 00:13:03,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:03,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:03,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:03,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688285518] [2021-03-25 00:13:03,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435024407] [2021-03-25 00:13:03,329 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:03,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 00:13:03,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:03,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 00:13:03,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:03,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:03,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:03,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:03,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:03,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:03,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,379 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:03,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:03,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:03,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:03,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:03,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:03,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,392 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:03,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:03,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:03,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:03,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:03,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:03,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:03,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:03,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:03,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:03,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:03,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,423 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:03,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:03,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:03,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:03,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:03,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-25 00:13:03,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018252722] [2021-03-25 00:13:03,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 00:13:03,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:03,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 00:13:03,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-03-25 00:13:03,439 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 00:13:03,439 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 228 transitions, 3514 flow. Second operand has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:03,439 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:03,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 00:13:03,439 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:03,549 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][26], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 158#true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 47#true, 808#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 00:13:03,550 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:03,550 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:03,550 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:03,550 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:03,583 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][54], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 54#(<= i2 i1), Black: 47#true, 808#true, Black: 44#(= s2 s1)]) [2021-03-25 00:13:03,583 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:13:03,583 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 00:13:03,583 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 00:13:03,583 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:03,619 INFO L129 PetriNetUnfolder]: 502/990 cut-off events. [2021-03-25 00:13:03,619 INFO L130 PetriNetUnfolder]: For 5385/5569 co-relation queries the response was YES. [2021-03-25 00:13:03,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5725 conditions, 990 events. 502/990 cut-off events. For 5385/5569 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 5813 event pairs, 0 based on Foata normal form. 56/979 useless extension candidates. Maximal degree in co-relation 5256. Up to 251 conditions per place. [2021-03-25 00:13:03,639 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 57 selfloop transitions, 219 changer transitions 0/288 dead transitions. [2021-03-25 00:13:03,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 288 transitions, 4950 flow [2021-03-25 00:13:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 00:13:03,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 00:13:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 218 transitions. [2021-03-25 00:13:03,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7124183006535948 [2021-03-25 00:13:03,640 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 218 transitions. [2021-03-25 00:13:03,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 218 transitions. [2021-03-25 00:13:03,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:03,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 218 transitions. [2021-03-25 00:13:03,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 24.22222222222222) internal successors, (218), 9 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:03,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:03,643 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:03,643 INFO L185 Difference]: Start difference. First operand has 93 places, 228 transitions, 3514 flow. Second operand 9 states and 218 transitions. [2021-03-25 00:13:03,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 288 transitions, 4950 flow [2021-03-25 00:13:03,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 288 transitions, 4445 flow, removed 250 selfloop flow, removed 1 redundant places. [2021-03-25 00:13:03,677 INFO L241 Difference]: Finished difference. Result has 104 places, 286 transitions, 4720 flow [2021-03-25 00:13:03,677 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3021, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4720, PETRI_PLACES=104, PETRI_TRANSITIONS=286} [2021-03-25 00:13:03,677 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 77 predicate places. [2021-03-25 00:13:03,677 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 286 transitions, 4720 flow [2021-03-25 00:13:03,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:03,678 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:03,678 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:03,900 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-25 00:13:03,900 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:03,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:03,900 INFO L82 PathProgramCache]: Analyzing trace with hash 4324985, now seen corresponding path program 4 times [2021-03-25 00:13:03,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:03,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529856629] [2021-03-25 00:13:03,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:03,926 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 00:13:03,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:03,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:03,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:03,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:03,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:03,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529856629] [2021-03-25 00:13:03,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220593135] [2021-03-25 00:13:03,954 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:04,010 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 00:13:04,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:04,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 00:13:04,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:04,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:04,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:04,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:04,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:04,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:04,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:04,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:04,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:04,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:04,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:04,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:04,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:04,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:04,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:04,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:04,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:04,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,051 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:04,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:04,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:04,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:04,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:04,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:04,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:04,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:04,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:04,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:04,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:04,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:04,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2021-03-25 00:13:04,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989186889] [2021-03-25 00:13:04,084 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 00:13:04,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:04,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 00:13:04,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-03-25 00:13:04,084 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 00:13:04,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 286 transitions, 4720 flow. Second operand has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:04,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:04,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 00:13:04,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:04,193 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][28], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 47#true, 808#true, Black: 818#(<= i1 i2), Black: 44#(= s2 s1), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1)]) [2021-03-25 00:13:04,193 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:04,193 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:04,193 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:04,193 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:04,279 INFO L129 PetriNetUnfolder]: 526/1044 cut-off events. [2021-03-25 00:13:04,279 INFO L130 PetriNetUnfolder]: For 5796/5862 co-relation queries the response was YES. [2021-03-25 00:13:04,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6428 conditions, 1044 events. 526/1044 cut-off events. For 5796/5862 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 6249 event pairs, 0 based on Foata normal form. 15/998 useless extension candidates. Maximal degree in co-relation 5920. Up to 377 conditions per place. [2021-03-25 00:13:04,296 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 146 selfloop transitions, 146 changer transitions 0/304 dead transitions. [2021-03-25 00:13:04,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 304 transitions, 5672 flow [2021-03-25 00:13:04,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 00:13:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 00:13:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 263 transitions. [2021-03-25 00:13:04,298 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7032085561497327 [2021-03-25 00:13:04,298 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 263 transitions. [2021-03-25 00:13:04,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 263 transitions. [2021-03-25 00:13:04,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:04,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 263 transitions. [2021-03-25 00:13:04,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 23.90909090909091) internal successors, (263), 11 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:04,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 34.0) internal successors, (408), 12 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:04,301 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 34.0) internal successors, (408), 12 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:04,301 INFO L185 Difference]: Start difference. First operand has 104 places, 286 transitions, 4720 flow. Second operand 11 states and 263 transitions. [2021-03-25 00:13:04,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 304 transitions, 5672 flow [2021-03-25 00:13:04,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 304 transitions, 5269 flow, removed 196 selfloop flow, removed 2 redundant places. [2021-03-25 00:13:04,341 INFO L241 Difference]: Finished difference. Result has 113 places, 304 transitions, 5041 flow [2021-03-25 00:13:04,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4390, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5041, PETRI_PLACES=113, PETRI_TRANSITIONS=304} [2021-03-25 00:13:04,342 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 86 predicate places. [2021-03-25 00:13:04,342 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 304 transitions, 5041 flow [2021-03-25 00:13:04,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 21.333333333333332) internal successors, (192), 9 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:04,342 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:04,342 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:04,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:04,564 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:04,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:04,564 INFO L82 PathProgramCache]: Analyzing trace with hash -523334715, now seen corresponding path program 5 times [2021-03-25 00:13:04,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:04,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431720335] [2021-03-25 00:13:04,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:04,608 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-25 00:13:04,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:04,621 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 00:13:04,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:04,630 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-25 00:13:04,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:04,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:04,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 00:13:04,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:04,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431720335] [2021-03-25 00:13:04,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202933261] [2021-03-25 00:13:04,668 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:04,712 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-25 00:13:04,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:04,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-25 00:13:04,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:04,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:04,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:04,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:04,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:04,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:04,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:04,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:04,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:04,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:04,756 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-03-25 00:13:04,757 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-25 00:13:04,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:04,759 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-25 00:13:04,759 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-25 00:13:04,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:04,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:04,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:04,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:04,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:04,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:04,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:04,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:04,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:04,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:04,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:04,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:13:04,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,781 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 00:13:04,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:04,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:04,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:04,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:04,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:04,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:04,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:04,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:04,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,812 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.8 percent of original size [2021-03-25 00:13:04,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 00:13:04,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 00:13:04,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,815 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-25 00:13:04,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 00:13:04,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 00:13:04,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 00:13:04,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 00:13:04,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 00:13:04,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 00:13:04,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 00:13:04,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 00:13:04,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,840 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 00:13:04,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 00:13:04,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,842 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 00:13:04,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 00:13:04,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 00:13:04,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 00:13:04,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 00:13:04,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 00:13:04,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 00:13:04,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 00:13:04,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,853 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.1 percent of original size [2021-03-25 00:13:04,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 00:13:04,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 00:13:04,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 00:13:04,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 00:13:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 00:13:04,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 00:13:04,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 00:13:04,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 00:13:04,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 00:13:04,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 00:13:04,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 00:13:04,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 00:13:04,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 00:13:04,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 00:13:04,901 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,901 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 42 treesize of output 74 [2021-03-25 00:13:04,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,911 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.6 percent of original size [2021-03-25 00:13:04,911 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:13:04,912 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,916 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:04,916 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,927 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:04,928 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,929 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:04,930 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,930 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,932 INFO L147 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size 26 [2021-03-25 00:13:04,933 INFO L147 QuantifierPusher]: treesize reduction 17, result has 77.0 percent of original size 57 [2021-03-25 00:13:04,934 INFO L147 QuantifierPusher]: treesize reduction 34, result has 73.0 percent of original size 92 [2021-03-25 00:13:04,936 INFO L147 QuantifierPusher]: treesize reduction 41, result has 77.2 percent of original size 139 [2021-03-25 00:13:04,938 INFO L147 QuantifierPusher]: treesize reduction 41, result has 77.2 percent of original size 139 [2021-03-25 00:13:04,942 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:04,943 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,945 INFO L142 QuantifierPusher]: treesize reduction 41, result has 82.2 percent of original size [2021-03-25 00:13:04,946 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 00:13:04,946 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,947 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.6 percent of original size [2021-03-25 00:13:04,949 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:04,950 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,951 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.7 percent of original size [2021-03-25 00:13:04,953 INFO L147 QuantifierPusher]: treesize reduction -4, result has 108.3 percent of original size 52 [2021-03-25 00:13:04,955 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:13:04,956 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,957 INFO L142 QuantifierPusher]: treesize reduction 12, result has 86.4 percent of original size [2021-03-25 00:13:04,959 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:04,959 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,960 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size [2021-03-25 00:13:04,962 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-25 00:13:04,963 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:04,964 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,965 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:04,966 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,969 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-25 00:13:04,970 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:04,971 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,972 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size [2021-03-25 00:13:04,973 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-25 00:13:04,974 INFO L147 QuantifierPusher]: treesize reduction -6, result has 108.7 percent of original size 75 [2021-03-25 00:13:04,975 INFO L147 QuantifierPusher]: treesize reduction -10, result has 108.8 percent of original size 124 [2021-03-25 00:13:04,977 INFO L147 QuantifierPusher]: treesize reduction -14, result has 108.4 percent of original size 181 [2021-03-25 00:13:04,978 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:04,979 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,981 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:13:04,982 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,984 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:04,985 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,986 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-03-25 00:13:04,987 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:04,988 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,990 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-25 00:13:04,992 INFO L147 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size 30 [2021-03-25 00:13:04,994 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:04,995 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:04,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:04,996 INFO L142 QuantifierPusher]: treesize reduction 23, result has 70.9 percent of original size [2021-03-25 00:13:04,998 INFO L147 QuantifierPusher]: treesize reduction -4, result has 108.3 percent of original size 52 [2021-03-25 00:13:04,999 INFO L147 QuantifierPusher]: treesize reduction 11, result has 88.8 percent of original size 87 [2021-03-25 00:13:05,000 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:05,001 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,003 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:13:05,004 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,005 INFO L142 QuantifierPusher]: treesize reduction 12, result has 86.4 percent of original size [2021-03-25 00:13:05,008 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:05,009 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,009 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.3 percent of original size [2021-03-25 00:13:05,011 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-25 00:13:05,013 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:05,014 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,017 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:05,020 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,021 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.3 percent of original size [2021-03-25 00:13:05,022 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-25 00:13:05,023 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:05,024 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,026 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-25 00:13:05,027 INFO L147 QuantifierPusher]: treesize reduction -6, result has 108.7 percent of original size 75 [2021-03-25 00:13:05,028 INFO L147 QuantifierPusher]: treesize reduction -10, result has 108.8 percent of original size 124 [2021-03-25 00:13:05,029 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-03-25 00:13:05,029 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,031 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:05,032 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,034 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-25 00:13:05,040 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:05,041 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,042 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.3 percent of original size [2021-03-25 00:13:05,043 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-25 00:13:05,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,049 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-25 00:13:05,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:05,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:05,052 INFO L147 QuantifierPusher]: treesize reduction -8, result has 107.9 percent of original size 109 [2021-03-25 00:13:05,054 INFO L147 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size 217 [2021-03-25 00:13:05,056 INFO L147 QuantifierPusher]: treesize reduction 14, result has 95.8 percent of original size 319 [2021-03-25 00:13:05,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 515 [2021-03-25 00:13:05,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 515 [2021-03-25 00:13:05,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,068 INFO L147 QuantifierPusher]: treesize reduction 67, result has 87.0 percent of original size 448 [2021-03-25 00:13:05,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:05,414 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-03-25 00:13:05,415 INFO L628 ElimStorePlain]: treesize reduction 348, result has 33.6 percent of original size [2021-03-25 00:13:05,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,425 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,426 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,426 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,428 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:05,429 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,430 INFO L142 QuantifierPusher]: treesize reduction 30, result has 81.9 percent of original size [2021-03-25 00:13:05,431 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,432 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,435 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-25 00:13:05,436 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,441 INFO L147 QuantifierPusher]: treesize reduction 37, result has 86.8 percent of original size 244 [2021-03-25 00:13:05,444 INFO L147 QuantifierPusher]: treesize reduction 36, result has 88.0 percent of original size 263 [2021-03-25 00:13:05,445 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-25 00:13:05,445 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,448 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,449 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,451 INFO L147 QuantifierPusher]: treesize reduction -5, result has 106.3 percent of original size 84 [2021-03-25 00:13:05,455 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-25 00:13:05,457 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,469 INFO L147 QuantifierPusher]: treesize reduction 84, result has 90.6 percent of original size 813 [2021-03-25 00:13:05,473 INFO L147 QuantifierPusher]: treesize reduction 74, result has 93.1 percent of original size 994 [2021-03-25 00:13:05,477 INFO L147 QuantifierPusher]: treesize reduction 110, result has 92.0 percent of original size 1261 [2021-03-25 00:13:05,478 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,479 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,480 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:05,481 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,482 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 00:13:05,483 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-25 00:13:05,484 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,487 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,488 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,491 INFO L147 QuantifierPusher]: treesize reduction -2, result has 102.4 percent of original size 84 [2021-03-25 00:13:05,492 INFO L147 QuantifierPusher]: treesize reduction -3, result has 102.6 percent of original size 119 [2021-03-25 00:13:05,493 INFO L147 QuantifierPusher]: treesize reduction 1, result has 99.3 percent of original size 143 [2021-03-25 00:13:05,498 INFO L147 QuantifierPusher]: treesize reduction 111, result has 92.7 percent of original size 1409 [2021-03-25 00:13:05,503 INFO L147 QuantifierPusher]: treesize reduction 111, result has 92.7 percent of original size 1409 [2021-03-25 00:13:05,504 INFO L725 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2021-03-25 00:13:05,506 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,512 INFO L142 QuantifierPusher]: treesize reduction 303, result has 81.0 percent of original size [2021-03-25 00:13:05,513 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,513 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,519 INFO L147 QuantifierPusher]: treesize reduction 35, result has 70.6 percent of original size 84 [2021-03-25 00:13:05,576 INFO L725 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2021-03-25 00:13:05,577 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,603 INFO L147 QuantifierPusher]: treesize reduction 121, result has 48.1 percent of original size 112 [2021-03-25 00:13:05,604 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:05,605 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,611 INFO L142 QuantifierPusher]: treesize reduction 18, result has 85.1 percent of original size [2021-03-25 00:13:05,611 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,612 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,615 INFO L147 QuantifierPusher]: treesize reduction -7, result has 105.1 percent of original size 143 [2021-03-25 00:13:05,616 INFO L147 QuantifierPusher]: treesize reduction -7, result has 105.1 percent of original size 143 [2021-03-25 00:13:05,616 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,617 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,618 INFO L142 QuantifierPusher]: treesize reduction -7, result has 104.3 percent of original size [2021-03-25 00:13:05,620 INFO L147 QuantifierPusher]: treesize reduction 123, result has 43.8 percent of original size 96 [2021-03-25 00:13:05,622 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,623 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,623 INFO L142 QuantifierPusher]: treesize reduction 9, result has 85.7 percent of original size [2021-03-25 00:13:05,625 INFO L147 QuantifierPusher]: treesize reduction -4, result has 107.4 percent of original size 58 [2021-03-25 00:13:05,626 INFO L147 QuantifierPusher]: treesize reduction 119, result has 60.1 percent of original size 179 [2021-03-25 00:13:05,626 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:05,627 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,629 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:05,629 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,632 INFO L147 QuantifierPusher]: treesize reduction 26, result has 79.4 percent of original size 100 [2021-03-25 00:13:05,632 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2021-03-25 00:13:05,633 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,636 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,636 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,638 INFO L147 QuantifierPusher]: treesize reduction -8, result has 110.7 percent of original size 83 [2021-03-25 00:13:05,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,644 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,645 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,647 INFO L147 QuantifierPusher]: treesize reduction -14, result has 108.1 percent of original size 186 [2021-03-25 00:13:05,648 INFO L147 QuantifierPusher]: treesize reduction -14, result has 108.1 percent of original size 186 [2021-03-25 00:13:05,649 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,649 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,651 INFO L142 QuantifierPusher]: treesize reduction -14, result has 107.2 percent of original size [2021-03-25 00:13:05,653 INFO L147 QuantifierPusher]: treesize reduction 117, result has 54.3 percent of original size 139 [2021-03-25 00:13:05,655 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:05,655 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:05,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,657 INFO L147 QuantifierPusher]: treesize reduction -5, result has 106.4 percent of original size 83 [2021-03-25 00:13:05,659 INFO L147 QuantifierPusher]: treesize reduction 119, result has 76.5 percent of original size 387 [2021-03-25 00:13:05,662 INFO L147 QuantifierPusher]: treesize reduction 145, result has 77.2 percent of original size 492 [2021-03-25 00:13:05,684 INFO L147 QuantifierPusher]: treesize reduction 551, result has 65.3 percent of original size 1035 [2021-03-25 00:13:05,689 INFO L147 QuantifierPusher]: treesize reduction 551, result has 65.3 percent of original size 1035 [2021-03-25 00:13:05,690 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 11 xjuncts. [2021-03-25 00:13:05,691 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:1586 [2021-03-25 00:13:05,696 INFO L142 QuantifierPusher]: treesize reduction 551, result has 65.3 percent of original size [2021-03-25 00:13:05,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1035 [2021-03-25 00:13:05,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1035 [2021-03-25 00:13:05,984 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 51 [2021-03-25 00:13:05,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:05,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:05,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:05,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:05,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:05,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:05,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:05,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:05,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 00:13:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:06,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:06,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 00:13:06,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877550540] [2021-03-25 00:13:06,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 00:13:06,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:06,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 00:13:06,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-03-25 00:13:06,043 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:06,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 304 transitions, 5041 flow. Second operand has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:06,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:06,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:06,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:06,233 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-03-25 00:13:06,555 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][24], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 47#true, 808#true, Black: 818#(<= i1 i2), Black: 44#(= s2 s1), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1), 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:06,555 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:06,556 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:06,556 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:06,556 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:06,562 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][35], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 218#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 47#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1)]) [2021-03-25 00:13:06,562 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:06,562 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:06,562 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:06,562 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:06,650 INFO L129 PetriNetUnfolder]: 597/1178 cut-off events. [2021-03-25 00:13:06,650 INFO L130 PetriNetUnfolder]: For 5800/5923 co-relation queries the response was YES. [2021-03-25 00:13:06,657 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7193 conditions, 1178 events. 597/1178 cut-off events. For 5800/5923 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7209 event pairs, 0 based on Foata normal form. 30/1134 useless extension candidates. Maximal degree in co-relation 6634. Up to 529 conditions per place. [2021-03-25 00:13:06,669 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 189 selfloop transitions, 144 changer transitions 0/345 dead transitions. [2021-03-25 00:13:06,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 345 transitions, 6405 flow [2021-03-25 00:13:06,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 00:13:06,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 00:13:06,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 199 transitions. [2021-03-25 00:13:06,670 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6503267973856209 [2021-03-25 00:13:06,670 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 199 transitions. [2021-03-25 00:13:06,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 199 transitions. [2021-03-25 00:13:06,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:06,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 199 transitions. [2021-03-25 00:13:06,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 22.11111111111111) internal successors, (199), 9 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:06,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:06,672 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:06,672 INFO L185 Difference]: Start difference. First operand has 113 places, 304 transitions, 5041 flow. Second operand 9 states and 199 transitions. [2021-03-25 00:13:06,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 345 transitions, 6405 flow [2021-03-25 00:13:06,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 345 transitions, 6122 flow, removed 91 selfloop flow, removed 4 redundant places. [2021-03-25 00:13:06,721 INFO L241 Difference]: Finished difference. Result has 120 places, 345 transitions, 6059 flow [2021-03-25 00:13:06,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4784, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6059, PETRI_PLACES=120, PETRI_TRANSITIONS=345} [2021-03-25 00:13:06,722 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 93 predicate places. [2021-03-25 00:13:06,722 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 345 transitions, 6059 flow [2021-03-25 00:13:06,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 19.0) internal successors, (228), 12 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:06,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:06,722 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:06,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:06,944 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:06,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:06,945 INFO L82 PathProgramCache]: Analyzing trace with hash 632211053, now seen corresponding path program 3 times [2021-03-25 00:13:06,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:06,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603319784] [2021-03-25 00:13:06,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:06,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:06,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:06,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:06,969 INFO L142 QuantifierPusher]: treesize reduction 27, result has 12.9 percent of original size [2021-03-25 00:13:06,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:06,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:06,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:06,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:06,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603319784] [2021-03-25 00:13:06,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946923879] [2021-03-25 00:13:06,979 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:07,014 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-25 00:13:07,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:07,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 00:13:07,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:07,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:07,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:07,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:07,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:07,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:07,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:07,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:07,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:07,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:07,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:07,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:07,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:07,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:07,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-25 00:13:07,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035676552] [2021-03-25 00:13:07,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 00:13:07,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:07,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 00:13:07,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-03-25 00:13:07,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:13:07,078 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 345 transitions, 6059 flow. Second operand has 9 states, 9 states have (on average 23.444444444444443) internal successors, (211), 9 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:07,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:07,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:13:07,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:07,215 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][27], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1), 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 949#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))]) [2021-03-25 00:13:07,215 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:07,215 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:07,215 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:07,215 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:07,218 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][44], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 218#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 348#(<= i2 i1), 1052#(<= (+ i2 1) i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:07,218 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:07,218 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:07,218 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:07,218 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:07,242 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[][17], [5#L80true, 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 288#(<= i1 i2), Black: 348#(<= i2 i1), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, Black: 54#(<= i2 i1), 1056#(<= (+ i2 2) i1), 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), Black: 884#(<= (+ i2 2) i1), 885#(<= (+ i2 3) i1), 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 949#true, Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:07,242 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:07,243 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:07,243 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:07,243 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:07,368 INFO L129 PetriNetUnfolder]: 654/1291 cut-off events. [2021-03-25 00:13:07,368 INFO L130 PetriNetUnfolder]: For 7668/7732 co-relation queries the response was YES. [2021-03-25 00:13:07,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8045 conditions, 1291 events. 654/1291 cut-off events. For 7668/7732 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 8069 event pairs, 0 based on Foata normal form. 14/1230 useless extension candidates. Maximal degree in co-relation 7426. Up to 269 conditions per place. [2021-03-25 00:13:07,393 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 114 selfloop transitions, 256 changer transitions 0/382 dead transitions. [2021-03-25 00:13:07,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 382 transitions, 7411 flow [2021-03-25 00:13:07,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 00:13:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 00:13:07,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 315 transitions. [2021-03-25 00:13:07,397 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7720588235294118 [2021-03-25 00:13:07,397 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 315 transitions. [2021-03-25 00:13:07,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 315 transitions. [2021-03-25 00:13:07,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:07,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 315 transitions. [2021-03-25 00:13:07,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 26.25) internal successors, (315), 12 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:07,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:07,401 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 34.0) internal successors, (442), 13 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:07,401 INFO L185 Difference]: Start difference. First operand has 120 places, 345 transitions, 6059 flow. Second operand 12 states and 315 transitions. [2021-03-25 00:13:07,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 382 transitions, 7411 flow [2021-03-25 00:13:07,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 382 transitions, 7350 flow, removed 22 selfloop flow, removed 3 redundant places. [2021-03-25 00:13:07,446 INFO L241 Difference]: Finished difference. Result has 132 places, 380 transitions, 7534 flow [2021-03-25 00:13:07,447 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5948, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7534, PETRI_PLACES=132, PETRI_TRANSITIONS=380} [2021-03-25 00:13:07,447 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 105 predicate places. [2021-03-25 00:13:07,447 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 380 transitions, 7534 flow [2021-03-25 00:13:07,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 23.444444444444443) internal successors, (211), 9 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:07,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:07,448 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:07,670 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:07,670 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:07,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:07,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1510143607, now seen corresponding path program 4 times [2021-03-25 00:13:07,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:07,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839594330] [2021-03-25 00:13:07,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:07,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:07,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:07,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:07,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839594330] [2021-03-25 00:13:07,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372277224] [2021-03-25 00:13:07,702 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 [2021-03-25 00:13:07,732 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 00:13:07,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:07,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 00:13:07,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:07,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:07,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:07,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:07,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:07,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:07,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:07,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:07,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:07,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:07,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:07,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:07,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:07,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:07,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:07,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:07,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:07,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:07,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:07,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 00:13:07,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-03-25 00:13:07,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282002580] [2021-03-25 00:13:07,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 00:13:07,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:07,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 00:13:07,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-03-25 00:13:07,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:13:07,795 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 380 transitions, 7534 flow. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:07,795 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:07,795 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:13:07,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:07,874 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][25], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, 1108#(<= i2 i1), Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 29#L23true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 54#(<= i2 i1), 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 949#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))]) [2021-03-25 00:13:07,874 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:07,874 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:07,874 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:07,874 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 00:13:07,881 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][36], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, 1108#(<= i2 i1), Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 218#(<= i2 i1), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:07,882 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:07,882 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:07,882 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:07,882 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:08,006 INFO L129 PetriNetUnfolder]: 738/1452 cut-off events. [2021-03-25 00:13:08,006 INFO L130 PetriNetUnfolder]: For 10546/10708 co-relation queries the response was YES. [2021-03-25 00:13:08,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9988 conditions, 1452 events. 738/1452 cut-off events. For 10546/10708 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 9235 event pairs, 0 based on Foata normal form. 26/1383 useless extension candidates. Maximal degree in co-relation 9198. Up to 289 conditions per place. [2021-03-25 00:13:08,029 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 111 selfloop transitions, 306 changer transitions 0/429 dead transitions. [2021-03-25 00:13:08,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 429 transitions, 9330 flow [2021-03-25 00:13:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 00:13:08,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 00:13:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions. [2021-03-25 00:13:08,030 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7745098039215687 [2021-03-25 00:13:08,030 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 158 transitions. [2021-03-25 00:13:08,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 158 transitions. [2021-03-25 00:13:08,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:08,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 158 transitions. [2021-03-25 00:13:08,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:08,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 34.0) internal successors, (238), 7 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:08,031 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 34.0) internal successors, (238), 7 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:08,031 INFO L185 Difference]: Start difference. First operand has 132 places, 380 transitions, 7534 flow. Second operand 6 states and 158 transitions. [2021-03-25 00:13:08,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 429 transitions, 9330 flow [2021-03-25 00:13:08,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 429 transitions, 8878 flow, removed 162 selfloop flow, removed 7 redundant places. [2021-03-25 00:13:08,101 INFO L241 Difference]: Finished difference. Result has 135 places, 427 transitions, 9314 flow [2021-03-25 00:13:08,101 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=7121, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=266, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=9314, PETRI_PLACES=135, PETRI_TRANSITIONS=427} [2021-03-25 00:13:08,102 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 108 predicate places. [2021-03-25 00:13:08,102 INFO L480 AbstractCegarLoop]: Abstraction has has 135 places, 427 transitions, 9314 flow [2021-03-25 00:13:08,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:08,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:08,102 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:08,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:08,318 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:08,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:08,319 INFO L82 PathProgramCache]: Analyzing trace with hash -581335632, now seen corresponding path program 6 times [2021-03-25 00:13:08,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:08,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107290107] [2021-03-25 00:13:08,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:08,358 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-25 00:13:08,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:08,372 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 00:13:08,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,380 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-25 00:13:08,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:08,390 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-25 00:13:08,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 00:13:08,401 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-03-25 00:13:08,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 00:13:08,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:08,429 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 00:13:08,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:08,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107290107] [2021-03-25 00:13:08,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883689144] [2021-03-25 00:13:08,442 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:08,483 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-25 00:13:08,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:08,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 00:13:08,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:08,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:08,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:08,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:08,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:08,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:08,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:08,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:08,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:08,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,493 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-25 00:13:08,494 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:13:08,495 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-25 00:13:08,496 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 00:13:08,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:08,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:08,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,514 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-25 00:13:08,514 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-25 00:13:08,515 INFO L147 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size 16 [2021-03-25 00:13:08,515 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-25 00:13:08,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:08,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:08,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,531 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-25 00:13:08,532 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-03-25 00:13:08,533 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-25 00:13:08,533 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-25 00:13:08,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:08,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:08,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:08,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:08,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:08,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,578 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-25 00:13:08,578 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-25 00:13:08,578 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-25 00:13:08,579 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-25 00:13:08,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:08,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:08,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,598 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 00:13:08,598 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-25 00:13:08,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:08,599 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:13:08,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:08,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:08,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:08,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:08,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:08,629 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 53 [2021-03-25 00:13:08,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:08,631 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 00:13:08,633 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:08,633 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:08,634 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,635 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:08,635 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:08,635 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,636 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:08,636 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:08,636 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,638 INFO L147 QuantifierPusher]: treesize reduction 33, result has 68.9 percent of original size 73 [2021-03-25 00:13:08,639 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:08,640 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:08,640 INFO L142 QuantifierPusher]: treesize reduction 43, result has 67.9 percent of original size [2021-03-25 00:13:08,642 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:08,642 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:08,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,645 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.2 percent of original size 47 [2021-03-25 00:13:08,645 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-25 00:13:08,646 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-25 00:13:08,647 INFO L142 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size [2021-03-25 00:13:08,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-25 00:13:08,648 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:08,758 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2021-03-25 00:13:08,758 INFO L628 ElimStorePlain]: treesize reduction 49, result has 54.6 percent of original size [2021-03-25 00:13:08,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,760 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:08,760 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:59 [2021-03-25 00:13:08,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:08,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:08,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:08,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:08,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 00:13:08,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529228657] [2021-03-25 00:13:08,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 00:13:08,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:08,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 00:13:08,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-03-25 00:13:08,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:08,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 427 transitions, 9314 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:08,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:08,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:08,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:09,333 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][43], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 218#(<= i2 i1), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:09,333 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:09,333 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:09,333 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:09,333 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:09,377 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][76], [Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), 9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 165#(<= i1 i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), 1108#(<= i2 i1), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 348#(<= i2 i1), 29#L23true, Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 158#true, 735#true, 808#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 44#(= s2 s1), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), 949#true, 54#(<= i2 i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:09,378 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 00:13:09,378 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:09,378 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:09,378 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:09,413 INFO L382 tUnfolder$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[][20], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), 18#L36true, Black: 348#(<= i2 i1), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 44#(= s2 s1), Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 76#(<= (+ i2 1) i1), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:09,413 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:13:09,413 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:09,413 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:09,413 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:09,545 INFO L129 PetriNetUnfolder]: 917/1803 cut-off events. [2021-03-25 00:13:09,545 INFO L130 PetriNetUnfolder]: For 13742/13840 co-relation queries the response was YES. [2021-03-25 00:13:09,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12922 conditions, 1803 events. 917/1803 cut-off events. For 13742/13840 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 12136 event pairs, 0 based on Foata normal form. 17/1706 useless extension candidates. Maximal degree in co-relation 11994. Up to 565 conditions per place. [2021-03-25 00:13:09,572 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 210 selfloop transitions, 298 changer transitions 0/520 dead transitions. [2021-03-25 00:13:09,572 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 520 transitions, 12040 flow [2021-03-25 00:13:09,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 00:13:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 00:13:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 333 transitions. [2021-03-25 00:13:09,574 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6529411764705882 [2021-03-25 00:13:09,574 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 333 transitions. [2021-03-25 00:13:09,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 333 transitions. [2021-03-25 00:13:09,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:09,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 333 transitions. [2021-03-25 00:13:09,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 22.2) internal successors, (333), 15 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:09,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:09,575 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 34.0) internal successors, (544), 16 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:09,575 INFO L185 Difference]: Start difference. First operand has 135 places, 427 transitions, 9314 flow. Second operand 15 states and 333 transitions. [2021-03-25 00:13:09,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 520 transitions, 12040 flow [2021-03-25 00:13:09,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 520 transitions, 11674 flow, removed 183 selfloop flow, removed 0 redundant places. [2021-03-25 00:13:09,679 INFO L241 Difference]: Finished difference. Result has 152 places, 520 transitions, 11688 flow [2021-03-25 00:13:09,680 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=8978, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=11688, PETRI_PLACES=152, PETRI_TRANSITIONS=520} [2021-03-25 00:13:09,680 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 125 predicate places. [2021-03-25 00:13:09,680 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 520 transitions, 11688 flow [2021-03-25 00:13:09,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:09,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:09,680 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:09,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2021-03-25 00:13:09,903 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:09,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:09,903 INFO L82 PathProgramCache]: Analyzing trace with hash -2059252656, now seen corresponding path program 5 times [2021-03-25 00:13:09,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:09,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13887436] [2021-03-25 00:13:09,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:09,961 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-25 00:13:09,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:09,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:09,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:09,977 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-03-25 00:13:09,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 00:13:09,990 INFO L142 QuantifierPusher]: treesize reduction 38, result has 47.9 percent of original size [2021-03-25 00:13:09,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:13:10,014 INFO L142 QuantifierPusher]: treesize reduction 65, result has 46.3 percent of original size [2021-03-25 00:13:10,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:10,047 INFO L142 QuantifierPusher]: treesize reduction 40, result has 39.4 percent of original size [2021-03-25 00:13:10,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:10,064 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 00:13:10,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:10,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13887436] [2021-03-25 00:13:10,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096258204] [2021-03-25 00:13:10,089 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:10,127 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-25 00:13:10,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:10,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 00:13:10,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:10,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:10,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:10,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:10,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:10,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:10,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:10,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:10,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:10,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,136 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-03-25 00:13:10,137 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 00:13:10,137 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-25 00:13:10,137 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 00:13:10,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,153 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-25 00:13:10,153 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 00:13:10,154 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-25 00:13:10,154 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 00:13:10,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:10,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,172 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-03-25 00:13:10,172 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-25 00:13:10,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:10,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:10,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:10,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:10,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:10,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:10,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:10,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,193 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-03-25 00:13:10,193 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-03-25 00:13:10,193 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-25 00:13:10,194 INFO L142 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size [2021-03-25 00:13:10,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:10,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:10,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,209 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 00:13:10,209 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 00:13:10,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:10,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,237 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 00:13:10,238 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-25 00:13:10,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:10,238 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:13:10,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:10,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:10,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:10,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:10,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:10,262 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 53 [2021-03-25 00:13:10,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:10,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 00:13:10,265 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:10,265 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:10,265 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,266 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:10,266 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:10,266 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,267 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:10,267 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:10,267 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,269 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size 88 [2021-03-25 00:13:10,269 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:10,270 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:10,271 INFO L142 QuantifierPusher]: treesize reduction 68, result has 68.7 percent of original size [2021-03-25 00:13:10,272 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:10,276 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:10,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,278 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-25 00:13:10,278 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:10,279 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:10,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,281 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size 45 [2021-03-25 00:13:10,283 INFO L147 QuantifierPusher]: treesize reduction 2, result has 99.0 percent of original size 208 [2021-03-25 00:13:10,284 INFO L147 QuantifierPusher]: treesize reduction 2, result has 99.0 percent of original size 208 [2021-03-25 00:13:10,285 INFO L142 QuantifierPusher]: treesize reduction 2, result has 99.0 percent of original size [2021-03-25 00:13:10,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-03-25 00:13:10,286 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:10,429 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2021-03-25 00:13:10,430 INFO L628 ElimStorePlain]: treesize reduction 111, result has 46.6 percent of original size [2021-03-25 00:13:10,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:10,435 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:97 [2021-03-25 00:13:10,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:10,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:10,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:10,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:10,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 00:13:10,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004878830] [2021-03-25 00:13:10,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 00:13:10,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:10,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 00:13:10,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-03-25 00:13:10,526 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:10,526 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 520 transitions, 11688 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:10,526 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:10,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:10,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:11,075 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][36], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, Black: 44#(= s2 s1), 949#true, 54#(<= i2 i1), Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:11,075 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:11,075 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:11,075 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:11,075 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:11,124 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, Black: 44#(= s2 s1), 949#true, 54#(<= i2 i1), Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:11,124 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 00:13:11,124 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:11,124 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:11,124 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:11,335 INFO L129 PetriNetUnfolder]: 1041/2055 cut-off events. [2021-03-25 00:13:11,335 INFO L130 PetriNetUnfolder]: For 16380/16558 co-relation queries the response was YES. [2021-03-25 00:13:11,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15675 conditions, 2055 events. 1041/2055 cut-off events. For 16380/16558 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 14261 event pairs, 0 based on Foata normal form. 43/1973 useless extension candidates. Maximal degree in co-relation 14654. Up to 1041 conditions per place. [2021-03-25 00:13:11,371 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 408 selfloop transitions, 181 changer transitions 0/601 dead transitions. [2021-03-25 00:13:11,371 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 601 transitions, 14658 flow [2021-03-25 00:13:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 00:13:11,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 00:13:11,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 371 transitions. [2021-03-25 00:13:11,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6418685121107266 [2021-03-25 00:13:11,372 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 371 transitions. [2021-03-25 00:13:11,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 371 transitions. [2021-03-25 00:13:11,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:11,373 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 371 transitions. [2021-03-25 00:13:11,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.823529411764707) internal successors, (371), 17 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:11,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:11,374 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:11,374 INFO L185 Difference]: Start difference. First operand has 152 places, 520 transitions, 11688 flow. Second operand 17 states and 371 transitions. [2021-03-25 00:13:11,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 601 transitions, 14658 flow [2021-03-25 00:13:11,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 601 transitions, 14452 flow, removed 73 selfloop flow, removed 5 redundant places. [2021-03-25 00:13:11,510 INFO L241 Difference]: Finished difference. Result has 168 places, 601 transitions, 13937 flow [2021-03-25 00:13:11,511 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=11506, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=13937, PETRI_PLACES=168, PETRI_TRANSITIONS=601} [2021-03-25 00:13:11,511 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 141 predicate places. [2021-03-25 00:13:11,511 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 601 transitions, 13937 flow [2021-03-25 00:13:11,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:11,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:11,515 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:11,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-25 00:13:11,720 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:11,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:11,721 INFO L82 PathProgramCache]: Analyzing trace with hash 875659922, now seen corresponding path program 7 times [2021-03-25 00:13:11,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:11,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589975948] [2021-03-25 00:13:11,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:11,752 INFO L142 QuantifierPusher]: treesize reduction 45, result has 28.6 percent of original size [2021-03-25 00:13:11,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:11,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,776 INFO L142 QuantifierPusher]: treesize reduction 34, result has 51.4 percent of original size [2021-03-25 00:13:11,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 00:13:11,796 INFO L142 QuantifierPusher]: treesize reduction 30, result has 63.9 percent of original size [2021-03-25 00:13:11,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 00:13:11,828 INFO L142 QuantifierPusher]: treesize reduction 50, result has 57.3 percent of original size [2021-03-25 00:13:11,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 00:13:11,861 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 00:13:11,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:11,877 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-03-25 00:13:11,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:11,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589975948] [2021-03-25 00:13:11,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300525540] [2021-03-25 00:13:11,901 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:11,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 00:13:11,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:11,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:11,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:11,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:11,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:11,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:11,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:11,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:11,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:11,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:11,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,943 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-25 00:13:11,943 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:13:11,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:11,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:11,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:11,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:11,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:11,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:11,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:11,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:11,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:11,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,996 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-25 00:13:11,996 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-25 00:13:11,996 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 00:13:11,997 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 00:13:11,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:11,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:11,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:12,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,012 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 00:13:12,012 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-25 00:13:12,012 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-25 00:13:12,013 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:13:12,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:12,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:12,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,026 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 00:13:12,026 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 00:13:12,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:12,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:12,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:12,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:12,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:12,044 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:13:12,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:12,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:12,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:12,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:12,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:12,067 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 53 [2021-03-25 00:13:12,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:12,069 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 00:13:12,069 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:12,070 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:12,070 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,072 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:12,072 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:12,072 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,073 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:12,073 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:12,073 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,075 INFO L147 QuantifierPusher]: treesize reduction 35, result has 67.6 percent of original size 73 [2021-03-25 00:13:12,075 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:12,075 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:12,077 INFO L142 QuantifierPusher]: treesize reduction 93, result has 60.1 percent of original size [2021-03-25 00:13:12,077 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:12,078 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:12,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,079 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size 41 [2021-03-25 00:13:12,080 INFO L147 QuantifierPusher]: treesize reduction 8, result has 95.1 percent of original size 154 [2021-03-25 00:13:12,081 INFO L147 QuantifierPusher]: treesize reduction 8, result has 95.1 percent of original size 154 [2021-03-25 00:13:12,082 INFO L142 QuantifierPusher]: treesize reduction 8, result has 95.1 percent of original size [2021-03-25 00:13:12,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-03-25 00:13:12,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:12,215 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-03-25 00:13:12,215 INFO L628 ElimStorePlain]: treesize reduction 82, result has 46.8 percent of original size [2021-03-25 00:13:12,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,218 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:12,218 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:72 [2021-03-25 00:13:12,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:12,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 00:13:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:12,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:12,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 00:13:12,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312938953] [2021-03-25 00:13:12,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 00:13:12,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:12,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 00:13:12,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-03-25 00:13:12,298 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:12,298 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 601 transitions, 13937 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:12,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:12,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:12,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:12,616 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-03-25 00:13:12,902 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][34], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:12,902 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:12,902 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:12,902 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:12,902 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:12,941 INFO L382 tUnfolder$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[][20], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 18#L36true, 403#true, Black: 218#(<= i2 i1), 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:12,941 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:12,941 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:12,941 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:12,941 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:12,945 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:12,945 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 00:13:12,945 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:12,945 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:12,945 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:13,221 INFO L129 PetriNetUnfolder]: 1138/2252 cut-off events. [2021-03-25 00:13:13,222 INFO L130 PetriNetUnfolder]: For 18534/18697 co-relation queries the response was YES. [2021-03-25 00:13:13,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18182 conditions, 2252 events. 1138/2252 cut-off events. For 18534/18697 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 15922 event pairs, 0 based on Foata normal form. 28/2158 useless extension candidates. Maximal degree in co-relation 17497. Up to 1185 conditions per place. [2021-03-25 00:13:13,253 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 480 selfloop transitions, 177 changer transitions 0/669 dead transitions. [2021-03-25 00:13:13,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 669 transitions, 17077 flow [2021-03-25 00:13:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 00:13:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 00:13:13,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 371 transitions. [2021-03-25 00:13:13,254 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6418685121107266 [2021-03-25 00:13:13,254 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 371 transitions. [2021-03-25 00:13:13,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 371 transitions. [2021-03-25 00:13:13,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:13,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 371 transitions. [2021-03-25 00:13:13,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.823529411764707) internal successors, (371), 17 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:13,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:13,256 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:13,256 INFO L185 Difference]: Start difference. First operand has 168 places, 601 transitions, 13937 flow. Second operand 17 states and 371 transitions. [2021-03-25 00:13:13,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 669 transitions, 17077 flow [2021-03-25 00:13:13,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 669 transitions, 16912 flow, removed 47 selfloop flow, removed 8 redundant places. [2021-03-25 00:13:13,426 INFO L241 Difference]: Finished difference. Result has 178 places, 669 transitions, 16144 flow [2021-03-25 00:13:13,427 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=13772, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=16144, PETRI_PLACES=178, PETRI_TRANSITIONS=669} [2021-03-25 00:13:13,427 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 151 predicate places. [2021-03-25 00:13:13,427 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 669 transitions, 16144 flow [2021-03-25 00:13:13,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:13,427 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:13,427 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:13,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-03-25 00:13:13,649 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:13,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:13,650 INFO L82 PathProgramCache]: Analyzing trace with hash 492832063, now seen corresponding path program 6 times [2021-03-25 00:13:13,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:13,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427952186] [2021-03-25 00:13:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:13,665 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 00:13:13,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:13,670 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 00:13:13,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:13,676 INFO L142 QuantifierPusher]: treesize reduction 19, result has 34.5 percent of original size [2021-03-25 00:13:13,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:13,683 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 00:13:13,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:13,690 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 00:13:13,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:13,699 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-25 00:13:13,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:13,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:13,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427952186] [2021-03-25 00:13:13,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531678359] [2021-03-25 00:13:13,710 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:13,740 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-25 00:13:13,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:13,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 00:13:13,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:13,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:13,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,743 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:13,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:13,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:13,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:13,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:13,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:13,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,770 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:13,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:13,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:13,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:13,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,776 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:13,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:13,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:13,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:13,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:13,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:13,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:13,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:13,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:13,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:13,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:13,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:13,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:13,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:13,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:13,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:13,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:13,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 12 [2021-03-25 00:13:13,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622500226] [2021-03-25 00:13:13,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 00:13:13,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:13,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 00:13:13,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-25 00:13:13,829 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 00:13:13,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 669 transitions, 16144 flow. Second operand has 14 states, 14 states have (on average 21.142857142857142) internal successors, (296), 14 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:13,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:13,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 00:13:13,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:14,004 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][34], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 1438#true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 1108#(<= i2 i1), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:14,004 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:14,004 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:14,004 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:14,004 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:14,055 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 1438#true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:14,055 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 00:13:14,055 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:14,055 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:14,055 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 00:13:14,276 INFO L129 PetriNetUnfolder]: 1225/2419 cut-off events. [2021-03-25 00:13:14,276 INFO L130 PetriNetUnfolder]: For 19936/20062 co-relation queries the response was YES. [2021-03-25 00:13:14,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19768 conditions, 2419 events. 1225/2419 cut-off events. For 19936/20062 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 17386 event pairs, 0 based on Foata normal form. 22/2310 useless extension candidates. Maximal degree in co-relation 19120. Up to 797 conditions per place. [2021-03-25 00:13:14,360 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 364 selfloop transitions, 353 changer transitions 0/729 dead transitions. [2021-03-25 00:13:14,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 729 transitions, 18642 flow [2021-03-25 00:13:14,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 00:13:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 00:13:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 213 transitions. [2021-03-25 00:13:14,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.696078431372549 [2021-03-25 00:13:14,361 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 213 transitions. [2021-03-25 00:13:14,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 213 transitions. [2021-03-25 00:13:14,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:14,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 213 transitions. [2021-03-25 00:13:14,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 23.666666666666668) internal successors, (213), 9 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:14,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:14,363 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:14,363 INFO L185 Difference]: Start difference. First operand has 178 places, 669 transitions, 16144 flow. Second operand 9 states and 213 transitions. [2021-03-25 00:13:14,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 729 transitions, 18642 flow [2021-03-25 00:13:14,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 729 transitions, 18425 flow, removed 79 selfloop flow, removed 8 redundant places. [2021-03-25 00:13:14,573 INFO L241 Difference]: Finished difference. Result has 179 places, 723 transitions, 17799 flow [2021-03-25 00:13:14,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=15927, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=669, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=17799, PETRI_PLACES=179, PETRI_TRANSITIONS=723} [2021-03-25 00:13:14,574 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 152 predicate places. [2021-03-25 00:13:14,574 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 723 transitions, 17799 flow [2021-03-25 00:13:14,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 21.142857142857142) internal successors, (296), 14 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:14,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:14,574 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:14,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:14,796 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:14,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:14,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1406977508, now seen corresponding path program 7 times [2021-03-25 00:13:14,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:14,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847907514] [2021-03-25 00:13:14,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:14,837 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-25 00:13:14,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:14,854 INFO L142 QuantifierPusher]: treesize reduction 39, result has 51.2 percent of original size [2021-03-25 00:13:14,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 00:13:14,878 INFO L142 QuantifierPusher]: treesize reduction 50, result has 41.2 percent of original size [2021-03-25 00:13:14,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:13:14,902 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-25 00:13:14,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 00:13:14,916 INFO L142 QuantifierPusher]: treesize reduction 39, result has 40.0 percent of original size [2021-03-25 00:13:14,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:14,930 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 00:13:14,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:14,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:14,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847907514] [2021-03-25 00:13:14,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501864492] [2021-03-25 00:13:14,952 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:14,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 00:13:14,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:14,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:14,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:14,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:15,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:15,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:15,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:15,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:15,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:15,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,010 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-25 00:13:15,010 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-25 00:13:15,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:15,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:15,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,020 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-03-25 00:13:15,021 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 00:13:15,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:15,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:15,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:15,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,033 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size 30 [2021-03-25 00:13:15,034 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size [2021-03-25 00:13:15,034 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size 32 [2021-03-25 00:13:15,034 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-03-25 00:13:15,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:15,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:15,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,047 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size 38 [2021-03-25 00:13:15,048 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size [2021-03-25 00:13:15,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:13:15,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:13:15,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:13:15,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,062 INFO L147 QuantifierPusher]: treesize reduction 4, result has 93.1 percent of original size 54 [2021-03-25 00:13:15,063 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.2 percent of original size [2021-03-25 00:13:15,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 00:13:15,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 00:13:15,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 00:13:15,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:15,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:15,081 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:13:15,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:15,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:15,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:15,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:15,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:15,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 53 [2021-03-25 00:13:15,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:15,104 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 00:13:15,104 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:15,104 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:15,105 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,105 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:15,105 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:15,109 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,109 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:15,110 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:15,110 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,111 INFO L147 QuantifierPusher]: treesize reduction 35, result has 67.6 percent of original size 73 [2021-03-25 00:13:15,111 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:15,112 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:15,113 INFO L142 QuantifierPusher]: treesize reduction 45, result has 66.9 percent of original size [2021-03-25 00:13:15,113 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:15,114 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:15,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,116 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.2 percent of original size 47 [2021-03-25 00:13:15,117 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-25 00:13:15,117 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-25 00:13:15,118 INFO L142 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size [2021-03-25 00:13:15,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-25 00:13:15,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:15,209 INFO L628 ElimStorePlain]: treesize reduction 49, result has 54.6 percent of original size [2021-03-25 00:13:15,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,210 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:15,210 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:59 [2021-03-25 00:13:15,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:15,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 00:13:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:15,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:15,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 00:13:15,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838912650] [2021-03-25 00:13:15,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 00:13:15,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:15,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 00:13:15,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-03-25 00:13:15,280 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:15,280 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 723 transitions, 17799 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:15,280 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:15,280 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:15,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:15,875 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][34], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, 1438#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:15,875 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 00:13:15,875 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:15,875 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 00:13:15,875 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:15,924 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[][24], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 18#L36true, 403#true, Black: 218#(<= i2 i1), 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 1438#true, 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 76#(<= (+ i2 1) i1), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:15,925 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:15,925 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:15,925 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:15,925 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:15,947 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 1438#true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:15,947 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:15,947 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:15,947 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:15,947 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:15,989 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[][24], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 18#L36true, 403#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 1438#true, 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 76#(<= (+ i2 1) i1), Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 699#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:15,989 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 00:13:15,989 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:15,989 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:15,989 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 00:13:16,195 INFO L129 PetriNetUnfolder]: 1339/2651 cut-off events. [2021-03-25 00:13:16,196 INFO L130 PetriNetUnfolder]: For 22179/22355 co-relation queries the response was YES. [2021-03-25 00:13:16,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22191 conditions, 2651 events. 1339/2651 cut-off events. For 22179/22355 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 19397 event pairs, 0 based on Foata normal form. 34/2542 useless extension candidates. Maximal degree in co-relation 21542. Up to 1365 conditions per place. [2021-03-25 00:13:16,229 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 558 selfloop transitions, 217 changer transitions 0/787 dead transitions. [2021-03-25 00:13:16,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 787 transitions, 20833 flow [2021-03-25 00:13:16,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 00:13:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 00:13:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 398 transitions. [2021-03-25 00:13:16,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6503267973856209 [2021-03-25 00:13:16,230 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 398 transitions. [2021-03-25 00:13:16,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 398 transitions. [2021-03-25 00:13:16,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:16,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 398 transitions. [2021-03-25 00:13:16,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 22.11111111111111) internal successors, (398), 18 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:16,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 34.0) internal successors, (646), 19 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:16,232 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 34.0) internal successors, (646), 19 states have internal predecessors, (646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:16,232 INFO L185 Difference]: Start difference. First operand has 179 places, 723 transitions, 17799 flow. Second operand 18 states and 398 transitions. [2021-03-25 00:13:16,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 787 transitions, 20833 flow [2021-03-25 00:13:16,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 787 transitions, 20182 flow, removed 55 selfloop flow, removed 5 redundant places. [2021-03-25 00:13:16,394 INFO L241 Difference]: Finished difference. Result has 194 places, 787 transitions, 19333 flow [2021-03-25 00:13:16,395 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=17240, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=723, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=19333, PETRI_PLACES=194, PETRI_TRANSITIONS=787} [2021-03-25 00:13:16,395 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 167 predicate places. [2021-03-25 00:13:16,395 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 787 transitions, 19333 flow [2021-03-25 00:13:16,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:16,395 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:16,395 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:16,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:16,600 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:16,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:16,600 INFO L82 PathProgramCache]: Analyzing trace with hash -318368322, now seen corresponding path program 8 times [2021-03-25 00:13:16,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:16,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44557711] [2021-03-25 00:13:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:16,631 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 00:13:16,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:16,646 INFO L142 QuantifierPusher]: treesize reduction 45, result has 40.0 percent of original size [2021-03-25 00:13:16,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:16,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:13:16,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 00:13:16,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:16,707 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 00:13:16,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:16,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44557711] [2021-03-25 00:13:16,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774733010] [2021-03-25 00:13:16,713 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:16,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 00:13:16,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:16,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 00:13:16,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:16,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:16,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:16,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:16,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:16,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:16,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,764 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size 28 [2021-03-25 00:13:16,765 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size [2021-03-25 00:13:16,765 INFO L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-03-25 00:13:16,766 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-25 00:13:16,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:16,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:16,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,777 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 00:13:16,777 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 00:13:16,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:16,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:16,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:16,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,789 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-25 00:13:16,789 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 00:13:16,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:16,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:16,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:16,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:16,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:16,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:16,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,805 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-25 00:13:16,805 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 00:13:16,805 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-25 00:13:16,805 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-25 00:13:16,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:16,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:16,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,818 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 00:13:16,818 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-25 00:13:16,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:16,819 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:13:16,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:16,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:16,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:16,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:16,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:16,842 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 53 [2021-03-25 00:13:16,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:16,845 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 00:13:16,845 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:16,845 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:16,846 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,846 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:16,847 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:16,847 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,848 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:16,848 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:16,848 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,849 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size 88 [2021-03-25 00:13:16,850 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:16,850 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:16,852 INFO L142 QuantifierPusher]: treesize reduction 68, result has 68.7 percent of original size [2021-03-25 00:13:16,852 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:16,853 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:16,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,854 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-25 00:13:16,855 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:16,855 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:16,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:16,857 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 52 [2021-03-25 00:13:16,858 INFO L147 QuantifierPusher]: treesize reduction -3, result has 101.4 percent of original size 215 [2021-03-25 00:13:16,859 INFO L147 QuantifierPusher]: treesize reduction -3, result has 101.4 percent of original size 215 [2021-03-25 00:13:16,860 INFO L142 QuantifierPusher]: treesize reduction -3, result has 101.4 percent of original size [2021-03-25 00:13:16,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-03-25 00:13:16,862 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:17,016 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39 [2021-03-25 00:13:17,016 INFO L628 ElimStorePlain]: treesize reduction 118, result has 45.1 percent of original size [2021-03-25 00:13:17,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:17,018 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:97 [2021-03-25 00:13:17,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:17,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 00:13:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:17,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:17,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-03-25 00:13:17,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89272448] [2021-03-25 00:13:17,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 00:13:17,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:17,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 00:13:17,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-03-25 00:13:17,101 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:17,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 787 transitions, 19333 flow. Second operand has 13 states, 13 states have (on average 19.153846153846153) internal successors, (249), 13 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:17,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:17,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:17,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:17,571 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:17,572 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:17,572 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:17,572 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:17,572 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:17,768 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][62], [9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), 403#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, 1056#(<= (+ i2 2) i1), 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:17,768 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-25 00:13:17,768 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 00:13:17,768 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 00:13:17,768 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 00:13:17,872 INFO L129 PetriNetUnfolder]: 1588/3150 cut-off events. [2021-03-25 00:13:17,873 INFO L130 PetriNetUnfolder]: For 24051/24235 co-relation queries the response was YES. [2021-03-25 00:13:17,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25519 conditions, 3150 events. 1588/3150 cut-off events. For 24051/24235 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 23935 event pairs, 0 based on Foata normal form. 42/3009 useless extension candidates. Maximal degree in co-relation 24865. Up to 1029 conditions per place. [2021-03-25 00:13:17,913 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 389 selfloop transitions, 526 changer transitions 0/927 dead transitions. [2021-03-25 00:13:17,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 927 transitions, 23827 flow [2021-03-25 00:13:17,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 00:13:17,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 00:13:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 356 transitions. [2021-03-25 00:13:17,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6544117647058824 [2021-03-25 00:13:17,914 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 356 transitions. [2021-03-25 00:13:17,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 356 transitions. [2021-03-25 00:13:17,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:17,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 356 transitions. [2021-03-25 00:13:17,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 22.25) internal successors, (356), 16 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:17,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:17,916 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:17,916 INFO L185 Difference]: Start difference. First operand has 194 places, 787 transitions, 19333 flow. Second operand 16 states and 356 transitions. [2021-03-25 00:13:17,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 927 transitions, 23827 flow [2021-03-25 00:13:18,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 927 transitions, 23660 flow, removed 60 selfloop flow, removed 7 redundant places. [2021-03-25 00:13:18,125 INFO L241 Difference]: Finished difference. Result has 205 places, 927 transitions, 23645 flow [2021-03-25 00:13:18,126 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=19166, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=414, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=23645, PETRI_PLACES=205, PETRI_TRANSITIONS=927} [2021-03-25 00:13:18,126 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 178 predicate places. [2021-03-25 00:13:18,126 INFO L480 AbstractCegarLoop]: Abstraction has has 205 places, 927 transitions, 23645 flow [2021-03-25 00:13:18,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 19.153846153846153) internal successors, (249), 13 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:18,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:18,127 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:18,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-03-25 00:13:18,340 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:18,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:18,340 INFO L82 PathProgramCache]: Analyzing trace with hash 434122472, now seen corresponding path program 8 times [2021-03-25 00:13:18,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:18,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034900313] [2021-03-25 00:13:18,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:18,379 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 00:13:18,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:18,395 INFO L142 QuantifierPusher]: treesize reduction 35, result has 47.8 percent of original size [2021-03-25 00:13:18,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:18,407 INFO L142 QuantifierPusher]: treesize reduction 55, result has 38.9 percent of original size [2021-03-25 00:13:18,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:13:18,432 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-03-25 00:13:18,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 00:13:18,450 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-25 00:13:18,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:18,468 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 00:13:18,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:18,487 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:18,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034900313] [2021-03-25 00:13:18,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585754896] [2021-03-25 00:13:18,487 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:18,518 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 00:13:18,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:18,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 00:13:18,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:18,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:18,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:18,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:18,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:18,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:18,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:18,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,550 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-25 00:13:18,550 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-25 00:13:18,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:18,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:18,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,563 INFO L147 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size 21 [2021-03-25 00:13:18,563 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-25 00:13:18,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:18,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:18,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:18,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:18,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:18,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:18,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:18,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:18,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:18,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:18,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:18,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,610 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-25 00:13:18,610 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-25 00:13:18,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:18,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:18,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:18,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,629 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 00:13:18,629 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-25 00:13:18,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:18,630 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:13:18,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:18,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:18,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:18,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:18,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:18,655 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 53 [2021-03-25 00:13:18,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:18,657 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 00:13:18,657 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:18,658 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:18,658 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,659 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:18,659 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:18,660 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,660 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:18,660 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:18,661 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,662 INFO L147 QuantifierPusher]: treesize reduction 14, result has 86.3 percent of original size 88 [2021-03-25 00:13:18,662 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:18,663 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:18,664 INFO L142 QuantifierPusher]: treesize reduction 54, result has 75.6 percent of original size [2021-03-25 00:13:18,664 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:18,665 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:18,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,666 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-25 00:13:18,667 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:18,667 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:18,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,669 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 52 [2021-03-25 00:13:18,670 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-25 00:13:18,672 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-25 00:13:18,673 INFO L142 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size [2021-03-25 00:13:18,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-03-25 00:13:18,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:18,828 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2021-03-25 00:13:18,829 INFO L628 ElimStorePlain]: treesize reduction 131, result has 39.1 percent of original size [2021-03-25 00:13:18,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:18,830 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:84 [2021-03-25 00:13:18,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:18,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:18,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:18,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:18,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 00:13:18,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312888334] [2021-03-25 00:13:18,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 00:13:18,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:18,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 00:13:18,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-03-25 00:13:18,905 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:18,905 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 927 transitions, 23645 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:18,905 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:18,905 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:18,905 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:19,512 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][76], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 403#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:19,512 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:19,512 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:19,512 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:19,512 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:19,905 INFO L129 PetriNetUnfolder]: 1659/3307 cut-off events. [2021-03-25 00:13:19,905 INFO L130 PetriNetUnfolder]: For 27204/27308 co-relation queries the response was YES. [2021-03-25 00:13:19,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28680 conditions, 3307 events. 1659/3307 cut-off events. For 27204/27308 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 25517 event pairs, 0 based on Foata normal form. 16/3154 useless extension candidates. Maximal degree in co-relation 28016. Up to 1789 conditions per place. [2021-03-25 00:13:19,949 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 784 selfloop transitions, 179 changer transitions 0/975 dead transitions. [2021-03-25 00:13:19,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 975 transitions, 26813 flow [2021-03-25 00:13:19,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 00:13:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 00:13:19,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 370 transitions. [2021-03-25 00:13:19,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6401384083044983 [2021-03-25 00:13:19,950 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 370 transitions. [2021-03-25 00:13:19,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 370 transitions. [2021-03-25 00:13:19,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:19,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 370 transitions. [2021-03-25 00:13:19,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.764705882352942) internal successors, (370), 17 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:19,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:19,952 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:19,952 INFO L185 Difference]: Start difference. First operand has 205 places, 927 transitions, 23645 flow. Second operand 17 states and 370 transitions. [2021-03-25 00:13:19,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 975 transitions, 26813 flow [2021-03-25 00:13:20,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 975 transitions, 26615 flow, removed 72 selfloop flow, removed 7 redundant places. [2021-03-25 00:13:20,314 INFO L241 Difference]: Finished difference. Result has 217 places, 975 transitions, 25247 flow [2021-03-25 00:13:20,315 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=23471, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=927, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=756, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=25247, PETRI_PLACES=217, PETRI_TRANSITIONS=975} [2021-03-25 00:13:20,315 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 190 predicate places. [2021-03-25 00:13:20,315 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 975 transitions, 25247 flow [2021-03-25 00:13:20,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:20,315 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:20,315 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:20,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:20,516 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:20,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:20,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1195143958, now seen corresponding path program 9 times [2021-03-25 00:13:20,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:20,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525376204] [2021-03-25 00:13:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:20,539 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 00:13:20,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:20,553 INFO L142 QuantifierPusher]: treesize reduction 35, result has 47.8 percent of original size [2021-03-25 00:13:20,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:20,565 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size [2021-03-25 00:13:20,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 00:13:20,577 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-03-25 00:13:20,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 00:13:20,591 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-25 00:13:20,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:20,608 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 00:13:20,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:20,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525376204] [2021-03-25 00:13:20,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114709710] [2021-03-25 00:13:20,627 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 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:20,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-25 00:13:20,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:20,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 00:13:20,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:20,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:20,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:20,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:20,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:20,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:20,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:20,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:20,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:20,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:20,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:20,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,688 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 00:13:20,688 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 00:13:20,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:20,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:20,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:20,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,706 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-03-25 00:13:20,706 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-25 00:13:20,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:20,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:20,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:20,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:20,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:20,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:20,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,737 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-25 00:13:20,737 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 00:13:20,737 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 00:13:20,738 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-25 00:13:20,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:20,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:20,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:20,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,756 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-25 00:13:20,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:13:20,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:20,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:13:20,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:20,820 INFO L354 Elim1Store]: treesize reduction 20, result has 79.4 percent of original size [2021-03-25 00:13:20,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 29 treesize of output 89 [2021-03-25 00:13:20,821 INFO L142 QuantifierPusher]: treesize reduction 8, result has 91.1 percent of original size [2021-03-25 00:13:20,822 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,822 INFO L142 QuantifierPusher]: treesize reduction 19, result has 80.0 percent of original size [2021-03-25 00:13:20,823 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2021-03-25 00:13:20,823 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 00:13:20,824 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,824 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2021-03-25 00:13:20,824 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:13:20,825 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,825 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:20,825 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:20,826 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,826 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:20,826 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:20,827 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,827 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:20,827 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,828 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,830 INFO L147 QuantifierPusher]: treesize reduction 72, result has 73.6 percent of original size 201 [2021-03-25 00:13:20,831 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:20,832 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,834 INFO L142 QuantifierPusher]: treesize reduction 177, result has 70.3 percent of original size [2021-03-25 00:13:20,835 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,836 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,836 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,837 INFO L142 QuantifierPusher]: treesize reduction 139, result has 65.4 percent of original size [2021-03-25 00:13:20,838 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,839 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,839 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,839 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-25 00:13:20,840 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.8 percent of original size 22 [2021-03-25 00:13:20,840 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,841 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,841 INFO L142 QuantifierPusher]: treesize reduction 11, result has 69.4 percent of original size [2021-03-25 00:13:20,842 INFO L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-03-25 00:13:20,842 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:20,842 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,843 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.9 percent of original size [2021-03-25 00:13:20,843 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,844 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,845 INFO L142 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size [2021-03-25 00:13:20,845 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.0 percent of original size 26 [2021-03-25 00:13:20,846 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.6 percent of original size 58 [2021-03-25 00:13:20,847 INFO L147 QuantifierPusher]: treesize reduction 25, result has 91.7 percent of original size 278 [2021-03-25 00:13:20,848 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,849 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,850 INFO L142 QuantifierPusher]: treesize reduction 5, result has 97.8 percent of original size [2021-03-25 00:13:20,850 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:13:20,851 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,852 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:20,853 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,854 INFO L142 QuantifierPusher]: treesize reduction 29, result has 77.2 percent of original size [2021-03-25 00:13:20,854 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,854 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,855 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,855 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-03-25 00:13:20,856 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-25 00:13:20,857 INFO L147 QuantifierPusher]: treesize reduction 6, result has 94.1 percent of original size 95 [2021-03-25 00:13:20,857 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:20,857 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:20,858 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,858 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:20,859 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,859 INFO L142 QuantifierPusher]: treesize reduction 29, result has 64.2 percent of original size [2021-03-25 00:13:20,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 00:13:20,861 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:20,861 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:20,861 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,862 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:20,862 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,862 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,864 INFO L147 QuantifierPusher]: treesize reduction 50, result has 72.5 percent of original size 132 [2021-03-25 00:13:20,864 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,865 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,866 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,867 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,868 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 1] term [2021-03-25 00:13:20,868 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,869 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,870 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:20,870 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,871 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,871 INFO L142 QuantifierPusher]: treesize reduction 8, result has 90.0 percent of original size [2021-03-25 00:13:20,872 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,872 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:20,874 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:20,875 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,876 INFO L142 QuantifierPusher]: treesize reduction 13, result has 83.5 percent of original size [2021-03-25 00:13:20,877 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.5 percent of original size 68 [2021-03-25 00:13:20,877 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.2 percent of original size 87 [2021-03-25 00:13:20,878 INFO L147 QuantifierPusher]: treesize reduction 12, result has 89.5 percent of original size 102 [2021-03-25 00:13:20,879 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:13:20,879 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,880 INFO L142 QuantifierPusher]: treesize reduction 12, result has 91.1 percent of original size [2021-03-25 00:13:20,880 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:20,881 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,882 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,883 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,883 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,884 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size 24 [2021-03-25 00:13:20,885 INFO L147 QuantifierPusher]: treesize reduction 11, result has 82.8 percent of original size 53 [2021-03-25 00:13:20,886 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:20,886 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,887 INFO L142 QuantifierPusher]: treesize reduction 13, result has 86.6 percent of original size [2021-03-25 00:13:20,888 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:20,888 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:20,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:20,889 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-03-25 00:13:20,889 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-25 00:13:20,890 INFO L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-03-25 00:13:20,891 INFO L147 QuantifierPusher]: treesize reduction 23, result has 86.1 percent of original size 143 [2021-03-25 00:13:20,892 INFO L147 QuantifierPusher]: treesize reduction 35, result has 87.7 percent of original size 250 [2021-03-25 00:13:20,894 INFO L147 QuantifierPusher]: treesize reduction 85, result has 82.5 percent of original size 401 [2021-03-25 00:13:20,898 INFO L147 QuantifierPusher]: treesize reduction 110, result has 86.1 percent of original size 684 [2021-03-25 00:13:20,901 INFO L147 QuantifierPusher]: treesize reduction 110, result has 86.1 percent of original size 684 [2021-03-25 00:13:20,906 INFO L142 QuantifierPusher]: treesize reduction 110, result has 86.1 percent of original size [2021-03-25 00:13:20,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 684 [2021-03-25 00:13:20,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-25 00:13:21,014 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 8 [2021-03-25 00:13:21,014 INFO L628 ElimStorePlain]: treesize reduction 676, result has 1.2 percent of original size [2021-03-25 00:13:21,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,015 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:21,015 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:8 [2021-03-25 00:13:21,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:21,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:21,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:21,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 00:13:21,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071815463] [2021-03-25 00:13:21,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 00:13:21,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:21,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 00:13:21,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-03-25 00:13:21,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:21,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 975 transitions, 25247 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:21,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:21,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:21,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:21,705 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:21,705 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:21,705 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:21,705 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:21,705 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:21,779 INFO L382 tUnfolder$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[][20], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), 18#L36true, Black: 348#(<= i2 i1), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 1056#(<= (+ i2 2) i1), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:21,779 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 00:13:21,779 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:21,779 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 00:13:21,779 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:22,098 INFO L129 PetriNetUnfolder]: 1681/3353 cut-off events. [2021-03-25 00:13:22,098 INFO L130 PetriNetUnfolder]: For 28558/28690 co-relation queries the response was YES. [2021-03-25 00:13:22,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29390 conditions, 3353 events. 1681/3353 cut-off events. For 28558/28690 co-relation queries the response was YES. Maximal size of possible extension queue 312. Compared 25856 event pairs, 0 based on Foata normal form. 26/3212 useless extension candidates. Maximal degree in co-relation 28723. Up to 1889 conditions per place. [2021-03-25 00:13:22,138 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 856 selfloop transitions, 127 changer transitions 0/995 dead transitions. [2021-03-25 00:13:22,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 995 transitions, 27511 flow [2021-03-25 00:13:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 00:13:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 00:13:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 370 transitions. [2021-03-25 00:13:22,139 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6401384083044983 [2021-03-25 00:13:22,140 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 370 transitions. [2021-03-25 00:13:22,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 370 transitions. [2021-03-25 00:13:22,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:22,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 370 transitions. [2021-03-25 00:13:22,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.764705882352942) internal successors, (370), 17 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:22,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:22,141 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:22,141 INFO L185 Difference]: Start difference. First operand has 217 places, 975 transitions, 25247 flow. Second operand 17 states and 370 transitions. [2021-03-25 00:13:22,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 995 transitions, 27511 flow [2021-03-25 00:13:22,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 995 transitions, 27412 flow, removed 29 selfloop flow, removed 6 redundant places. [2021-03-25 00:13:22,620 INFO L241 Difference]: Finished difference. Result has 229 places, 995 transitions, 25762 flow [2021-03-25 00:13:22,621 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=25148, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=975, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=852, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=25762, PETRI_PLACES=229, PETRI_TRANSITIONS=995} [2021-03-25 00:13:22,621 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 202 predicate places. [2021-03-25 00:13:22,622 INFO L480 AbstractCegarLoop]: Abstraction has has 229 places, 995 transitions, 25762 flow [2021-03-25 00:13:22,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:22,622 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:22,622 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:22,839 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-03-25 00:13:22,840 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:22,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:22,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1616481878, now seen corresponding path program 1 times [2021-03-25 00:13:22,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:22,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632401648] [2021-03-25 00:13:22,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:22,944 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 00:13:22,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:22,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:22,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:22,960 INFO L142 QuantifierPusher]: treesize reduction 39, result has 51.9 percent of original size [2021-03-25 00:13:22,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 00:13:22,988 INFO L142 QuantifierPusher]: treesize reduction 54, result has 39.3 percent of original size [2021-03-25 00:13:22,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:13:23,009 INFO L142 QuantifierPusher]: treesize reduction 71, result has 43.7 percent of original size [2021-03-25 00:13:23,010 INFO L147 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-03-25 00:13:23,042 INFO L142 QuantifierPusher]: treesize reduction 45, result has 36.6 percent of original size [2021-03-25 00:13:23,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:23,059 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 00:13:23,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:23,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632401648] [2021-03-25 00:13:23,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574413888] [2021-03-25 00:13:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:23,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 00:13:23,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:23,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:23,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:23,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:23,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:23,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:23,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,129 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-03-25 00:13:23,129 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 00:13:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:23,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:23,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:23,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,141 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-25 00:13:23,141 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-25 00:13:23,142 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 00:13:23,142 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 00:13:23,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:23,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:23,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,155 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 00:13:23,155 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-25 00:13:23,156 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-25 00:13:23,156 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:13:23,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:23,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:23,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,166 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 00:13:23,167 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 00:13:23,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:23,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:23,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:23,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:23,182 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:13:23,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:23,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:23,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:23,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:23,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:23,208 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 53 [2021-03-25 00:13:23,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:23,210 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 00:13:23,210 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:23,210 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:23,211 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,211 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:23,211 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:23,212 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,212 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:23,212 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:23,213 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,214 INFO L147 QuantifierPusher]: treesize reduction 14, result has 86.3 percent of original size 88 [2021-03-25 00:13:23,214 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:23,214 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:23,216 INFO L142 QuantifierPusher]: treesize reduction 54, result has 75.6 percent of original size [2021-03-25 00:13:23,216 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:23,217 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:23,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,218 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 52 [2021-03-25 00:13:23,218 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:23,219 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:23,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,220 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-25 00:13:23,222 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-25 00:13:23,223 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-25 00:13:23,224 INFO L142 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size [2021-03-25 00:13:23,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-03-25 00:13:23,226 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:23,366 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2021-03-25 00:13:23,367 INFO L628 ElimStorePlain]: treesize reduction 131, result has 39.1 percent of original size [2021-03-25 00:13:23,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:23,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:84 [2021-03-25 00:13:23,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:23,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 00:13:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:23,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:23,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 00:13:23,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755069435] [2021-03-25 00:13:23,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 00:13:23,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:23,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 00:13:23,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-03-25 00:13:23,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:23,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 995 transitions, 25762 flow. Second operand has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:23,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:23,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:23,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:23,927 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2021-03-25 00:13:24,134 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:24,135 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:24,135 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:24,135 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:24,135 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:24,647 INFO L129 PetriNetUnfolder]: 1796/3585 cut-off events. [2021-03-25 00:13:24,647 INFO L130 PetriNetUnfolder]: For 30294/30478 co-relation queries the response was YES. [2021-03-25 00:13:24,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31602 conditions, 3585 events. 1796/3585 cut-off events. For 30294/30478 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 28001 event pairs, 0 based on Foata normal form. 41/3446 useless extension candidates. Maximal degree in co-relation 30931. Up to 1937 conditions per place. [2021-03-25 00:13:24,700 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 840 selfloop transitions, 207 changer transitions 0/1059 dead transitions. [2021-03-25 00:13:24,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 1059 transitions, 29596 flow [2021-03-25 00:13:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 00:13:24,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 00:13:24,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 349 transitions. [2021-03-25 00:13:24,702 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6415441176470589 [2021-03-25 00:13:24,702 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 349 transitions. [2021-03-25 00:13:24,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 349 transitions. [2021-03-25 00:13:24,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:24,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 349 transitions. [2021-03-25 00:13:24,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 21.8125) internal successors, (349), 16 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:24,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:24,704 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 34.0) internal successors, (578), 17 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:24,704 INFO L185 Difference]: Start difference. First operand has 229 places, 995 transitions, 25762 flow. Second operand 16 states and 349 transitions. [2021-03-25 00:13:24,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 1059 transitions, 29596 flow [2021-03-25 00:13:25,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 1059 transitions, 29505 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-03-25 00:13:25,145 INFO L241 Difference]: Finished difference. Result has 238 places, 1059 transitions, 28023 flow [2021-03-25 00:13:25,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=25671, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=155, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=808, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=28023, PETRI_PLACES=238, PETRI_TRANSITIONS=1059} [2021-03-25 00:13:25,146 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 211 predicate places. [2021-03-25 00:13:25,146 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 1059 transitions, 28023 flow [2021-03-25 00:13:25,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.0) internal successors, (285), 15 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:25,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:25,146 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:25,368 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-03-25 00:13:25,368 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:25,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:25,369 INFO L82 PathProgramCache]: Analyzing trace with hash -789344370, now seen corresponding path program 10 times [2021-03-25 00:13:25,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:25,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436143104] [2021-03-25 00:13:25,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:25,389 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 00:13:25,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:25,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:25,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:13:25,434 INFO L142 QuantifierPusher]: treesize reduction 39, result has 42.6 percent of original size [2021-03-25 00:13:25,434 INFO L147 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size 20 [2021-03-25 00:13:25,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:25,470 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 00:13:25,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:25,477 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:25,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436143104] [2021-03-25 00:13:25,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715557692] [2021-03-25 00:13:25,478 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 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:25,511 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 00:13:25,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:25,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 00:13:25,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:25,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:25,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:25,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:25,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:25,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:25,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,541 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 00:13:25,541 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 00:13:25,542 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-25 00:13:25,542 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-25 00:13:25,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:25,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:25,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:25,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:25,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:25,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:13:25,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,605 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 00:13:25,605 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-25 00:13:25,606 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-25 00:13:25,606 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 00:13:25,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:25,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:25,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,623 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 00:13:25,624 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 00:13:25,624 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size 22 [2021-03-25 00:13:25,624 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-25 00:13:25,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:25,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:25,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:25,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:25,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:25,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:25,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,642 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 00:13:25,642 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-25 00:13:25,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:25,643 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:13:25,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:25,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:25,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:25,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:25,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:25,664 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 25 treesize of output 53 [2021-03-25 00:13:25,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:25,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 00:13:25,665 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:25,666 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:25,666 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,666 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:25,666 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:25,667 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,667 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:25,667 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:25,668 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,669 INFO L147 QuantifierPusher]: treesize reduction 13, result has 87.1 percent of original size 88 [2021-03-25 00:13:25,670 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:25,670 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:25,671 INFO L142 QuantifierPusher]: treesize reduction 64, result has 70.8 percent of original size [2021-03-25 00:13:25,671 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:25,672 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:25,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 00:13:25,674 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:25,675 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:25,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,676 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 44 [2021-03-25 00:13:25,678 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.5 percent of original size 203 [2021-03-25 00:13:25,679 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.5 percent of original size 203 [2021-03-25 00:13:25,680 INFO L142 QuantifierPusher]: treesize reduction -1, result has 100.5 percent of original size [2021-03-25 00:13:25,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-03-25 00:13:25,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:25,816 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2021-03-25 00:13:25,817 INFO L628 ElimStorePlain]: treesize reduction 114, result has 43.8 percent of original size [2021-03-25 00:13:25,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:25,818 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:89 [2021-03-25 00:13:25,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:25,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 00:13:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:25,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:25,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-03-25 00:13:25,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708725898] [2021-03-25 00:13:25,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 00:13:25,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:25,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 00:13:25,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 00:13:25,912 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:25,912 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 1059 transitions, 28023 flow. Second operand has 14 states, 14 states have (on average 19.071428571428573) internal successors, (267), 14 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:25,912 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:25,912 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:25,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:26,640 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:26,640 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:26,640 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:26,640 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:26,640 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:26,733 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[][20], [5#L80true, 9#L62true, 10#L49true, Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), 18#L36true, Black: 348#(<= i2 i1), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 1056#(<= (+ i2 2) i1), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 884#(<= (+ i2 2) i1), 949#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1052#(<= (+ i2 1) i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 54#(<= i2 i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:26,734 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 00:13:26,734 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:26,734 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 00:13:26,734 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:27,262 INFO L129 PetriNetUnfolder]: 1929/3861 cut-off events. [2021-03-25 00:13:27,262 INFO L130 PetriNetUnfolder]: For 33977/34109 co-relation queries the response was YES. [2021-03-25 00:13:27,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34658 conditions, 3861 events. 1929/3861 cut-off events. For 33977/34109 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 30648 event pairs, 0 based on Foata normal form. 30/3711 useless extension candidates. Maximal degree in co-relation 33983. Up to 1281 conditions per place. [2021-03-25 00:13:27,321 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 482 selfloop transitions, 657 changer transitions 0/1151 dead transitions. [2021-03-25 00:13:27,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 1151 transitions, 32425 flow [2021-03-25 00:13:27,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 00:13:27,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 00:13:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 417 transitions. [2021-03-25 00:13:27,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6455108359133127 [2021-03-25 00:13:27,322 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 417 transitions. [2021-03-25 00:13:27,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 417 transitions. [2021-03-25 00:13:27,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:27,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 417 transitions. [2021-03-25 00:13:27,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 21.94736842105263) internal successors, (417), 19 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) [2021-03-25 00:13:27,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 34.0) internal successors, (680), 20 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:27,324 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 34.0) internal successors, (680), 20 states have internal predecessors, (680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:27,324 INFO L185 Difference]: Start difference. First operand has 238 places, 1059 transitions, 28023 flow. Second operand 19 states and 417 transitions. [2021-03-25 00:13:27,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 1151 transitions, 32425 flow [2021-03-25 00:13:27,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 1151 transitions, 32230 flow, removed 44 selfloop flow, removed 8 redundant places. [2021-03-25 00:13:27,748 INFO L241 Difference]: Finished difference. Result has 251 places, 1151 transitions, 32174 flow [2021-03-25 00:13:27,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=27753, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1056, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=570, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=32174, PETRI_PLACES=251, PETRI_TRANSITIONS=1151} [2021-03-25 00:13:27,749 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 224 predicate places. [2021-03-25 00:13:27,749 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 1151 transitions, 32174 flow [2021-03-25 00:13:27,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 19.071428571428573) internal successors, (267), 14 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:27,749 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:27,749 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:27,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:27,950 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:27,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:27,950 INFO L82 PathProgramCache]: Analyzing trace with hash 859896467, now seen corresponding path program 11 times [2021-03-25 00:13:27,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:27,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931085723] [2021-03-25 00:13:27,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:27,962 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 00:13:27,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:27,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:27,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:27,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:27,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:27,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:27,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:27,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:27,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:27,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:27,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:27,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:27,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:27,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:27,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:27,990 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:27,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931085723] [2021-03-25 00:13:27,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607181634] [2021-03-25 00:13:27,990 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 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:28,036 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-25 00:13:28,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:28,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-25 00:13:28,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:28,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:28,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:28,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:28,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:28,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:28,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:28,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:28,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:28,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:28,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:28,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:28,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:28,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:28,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:28,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:28,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:28,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:28,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:28,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:28,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:28,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:28,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:28,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:28,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:28,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:28,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:28,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:28,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:28,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:28,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:28,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:28,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:28,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:28,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:28,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:28,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:28,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:28,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:28,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:28,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:28,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:28,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:28,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-25 00:13:28,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095734858] [2021-03-25 00:13:28,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 00:13:28,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:28,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 00:13:28,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-03-25 00:13:28,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 00:13:28,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 1151 transitions, 32174 flow. Second operand has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:28,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:28,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 00:13:28,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:28,460 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 1167#true, Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 342#(<= i2 (+ i1 1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 703#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:28,460 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:28,460 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:28,460 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:28,460 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:29,115 INFO L129 PetriNetUnfolder]: 2100/4172 cut-off events. [2021-03-25 00:13:29,115 INFO L130 PetriNetUnfolder]: For 42017/42147 co-relation queries the response was YES. [2021-03-25 00:13:29,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39119 conditions, 4172 events. 2100/4172 cut-off events. For 42017/42147 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 33362 event pairs, 0 based on Foata normal form. 25/3998 useless extension candidates. Maximal degree in co-relation 38273. Up to 745 conditions per place. [2021-03-25 00:13:29,172 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 226 selfloop transitions, 1018 changer transitions 0/1256 dead transitions. [2021-03-25 00:13:29,173 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 1256 transitions, 36910 flow [2021-03-25 00:13:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 00:13:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 00:13:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 243 transitions. [2021-03-25 00:13:29,173 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7147058823529412 [2021-03-25 00:13:29,173 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 243 transitions. [2021-03-25 00:13:29,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 243 transitions. [2021-03-25 00:13:29,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:29,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 243 transitions. [2021-03-25 00:13:29,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 24.3) internal successors, (243), 10 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:29,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:29,174 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:29,174 INFO L185 Difference]: Start difference. First operand has 251 places, 1151 transitions, 32174 flow. Second operand 10 states and 243 transitions. [2021-03-25 00:13:29,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 1256 transitions, 36910 flow [2021-03-25 00:13:29,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 1256 transitions, 36727 flow, removed 62 selfloop flow, removed 9 redundant places. [2021-03-25 00:13:29,683 INFO L241 Difference]: Finished difference. Result has 256 places, 1256 transitions, 38102 flow [2021-03-25 00:13:29,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=31991, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=920, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=38102, PETRI_PLACES=256, PETRI_TRANSITIONS=1256} [2021-03-25 00:13:29,684 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 229 predicate places. [2021-03-25 00:13:29,684 INFO L480 AbstractCegarLoop]: Abstraction has has 256 places, 1256 transitions, 38102 flow [2021-03-25 00:13:29,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:29,684 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:29,684 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:29,899 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2021-03-25 00:13:29,900 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:29,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:29,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1509931455, now seen corresponding path program 12 times [2021-03-25 00:13:29,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:29,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001670530] [2021-03-25 00:13:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:29,911 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 00:13:29,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:29,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:29,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:29,920 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 00:13:29,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:29,928 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 00:13:29,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:29,936 INFO L142 QuantifierPusher]: treesize reduction 19, result has 34.5 percent of original size [2021-03-25 00:13:29,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:29,944 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 00:13:29,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:29,953 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-25 00:13:29,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:29,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:29,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:29,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001670530] [2021-03-25 00:13:29,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119150811] [2021-03-25 00:13:29,965 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 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:29,996 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-25 00:13:29,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:29,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-25 00:13:29,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:29,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:29,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:29,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:29,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:30,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:30,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:30,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:30,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:30,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:30,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:30,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:30,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:30,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:30,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:30,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:30,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:30,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:30,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:30,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:30,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,034 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:30,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:30,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:30,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:30,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:30,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:30,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:30,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:30,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:30,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:30,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,043 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:30,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:30,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:30,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:30,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:30,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:30,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:30,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:30,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:30,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:30,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:30,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:30,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:30,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:30,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:30,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:30,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2021-03-25 00:13:30,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250350290] [2021-03-25 00:13:30,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 00:13:30,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:30,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 00:13:30,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-03-25 00:13:30,094 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 00:13:30,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 1256 transitions, 38102 flow. Second operand has 14 states, 14 states have (on average 21.285714285714285) internal successors, (298), 14 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:30,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:30,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 00:13:30,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:30,415 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, 949#true, 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), 2146#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:30,415 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:30,415 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:30,415 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:30,415 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:31,086 INFO L129 PetriNetUnfolder]: 2128/4240 cut-off events. [2021-03-25 00:13:31,087 INFO L130 PetriNetUnfolder]: For 50392/50530 co-relation queries the response was YES. [2021-03-25 00:13:31,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43211 conditions, 4240 events. 2128/4240 cut-off events. For 50392/50530 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 34111 event pairs, 0 based on Foata normal form. 38/4077 useless extension candidates. Maximal degree in co-relation 42246. Up to 801 conditions per place. [2021-03-25 00:13:31,268 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 342 selfloop transitions, 918 changer transitions 0/1272 dead transitions. [2021-03-25 00:13:31,268 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 1272 transitions, 40752 flow [2021-03-25 00:13:31,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 00:13:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 00:13:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 214 transitions. [2021-03-25 00:13:31,269 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6993464052287581 [2021-03-25 00:13:31,269 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 214 transitions. [2021-03-25 00:13:31,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 214 transitions. [2021-03-25 00:13:31,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:31,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 214 transitions. [2021-03-25 00:13:31,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 23.77777777777778) internal successors, (214), 9 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:31,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:31,270 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:31,270 INFO L185 Difference]: Start difference. First operand has 256 places, 1256 transitions, 38102 flow. Second operand 9 states and 214 transitions. [2021-03-25 00:13:31,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 1272 transitions, 40752 flow [2021-03-25 00:13:31,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 260 places, 1272 transitions, 40467 flow, removed 112 selfloop flow, removed 4 redundant places. [2021-03-25 00:13:31,832 INFO L241 Difference]: Finished difference. Result has 265 places, 1270 transitions, 41544 flow [2021-03-25 00:13:31,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=37464, PETRI_DIFFERENCE_MINUEND_PLACES=252, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=895, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=41544, PETRI_PLACES=265, PETRI_TRANSITIONS=1270} [2021-03-25 00:13:31,833 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 238 predicate places. [2021-03-25 00:13:31,833 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 1270 transitions, 41544 flow [2021-03-25 00:13:31,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 21.285714285714285) internal successors, (298), 14 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:31,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:31,834 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:32,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable159 [2021-03-25 00:13:32,040 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:32,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:32,040 INFO L82 PathProgramCache]: Analyzing trace with hash -741029581, now seen corresponding path program 13 times [2021-03-25 00:13:32,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:32,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953685090] [2021-03-25 00:13:32,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:32,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:32,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,087 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-25 00:13:32,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:32,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:32,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953685090] [2021-03-25 00:13:32,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768451441] [2021-03-25 00:13:32,101 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 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:32,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-25 00:13:32,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:32,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:32,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:32,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:32,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:32,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:32,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:32,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:32,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:32,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,172 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:32,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:32,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:32,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:32,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:32,208 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:32,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:32,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2021-03-25 00:13:32,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822605550] [2021-03-25 00:13:32,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 00:13:32,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:32,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 00:13:32,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-03-25 00:13:32,208 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:13:32,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 1270 transitions, 41544 flow. Second operand has 12 states, 12 states have (on average 23.333333333333332) internal successors, (280), 12 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:32,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:32,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:13:32,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:32,554 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 342#(<= i2 (+ i1 1)), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2159#(<= i1 i2), 949#true, 54#(<= i2 i1), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1056#(<= (+ i2 2) i1), Black: 1027#(<= i2 (+ i1 1)), Black: 1028#(<= i2 i1), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), 2146#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:32,554 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:32,554 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:32,554 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:32,554 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:33,436 INFO L129 PetriNetUnfolder]: 2318/4618 cut-off events. [2021-03-25 00:13:33,437 INFO L130 PetriNetUnfolder]: For 57990/58133 co-relation queries the response was YES. [2021-03-25 00:13:33,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49801 conditions, 4618 events. 2318/4618 cut-off events. For 57990/58133 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 37570 event pairs, 0 based on Foata normal form. 16/4417 useless extension candidates. Maximal degree in co-relation 48766. Up to 1747 conditions per place. [2021-03-25 00:13:33,522 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 822 selfloop transitions, 553 changer transitions 0/1387 dead transitions. [2021-03-25 00:13:33,523 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 1387 transitions, 47020 flow [2021-03-25 00:13:33,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 00:13:33,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 00:13:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 231 transitions. [2021-03-25 00:13:33,524 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7549019607843137 [2021-03-25 00:13:33,524 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 231 transitions. [2021-03-25 00:13:33,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 231 transitions. [2021-03-25 00:13:33,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:33,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 231 transitions. [2021-03-25 00:13:33,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 25.666666666666668) internal successors, (231), 9 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:33,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:33,525 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 34.0) internal successors, (340), 10 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:33,525 INFO L185 Difference]: Start difference. First operand has 265 places, 1270 transitions, 41544 flow. Second operand 9 states and 231 transitions. [2021-03-25 00:13:33,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 1387 transitions, 47020 flow [2021-03-25 00:13:34,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 1387 transitions, 45733 flow, removed 114 selfloop flow, removed 5 redundant places. [2021-03-25 00:13:34,362 INFO L241 Difference]: Finished difference. Result has 273 places, 1385 transitions, 45118 flow [2021-03-25 00:13:34,363 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=40277, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=438, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=806, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=45118, PETRI_PLACES=273, PETRI_TRANSITIONS=1385} [2021-03-25 00:13:34,363 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 246 predicate places. [2021-03-25 00:13:34,363 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 1385 transitions, 45118 flow [2021-03-25 00:13:34,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 23.333333333333332) internal successors, (280), 12 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:34,363 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:34,363 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:34,567 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:34,568 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:34,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:34,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1740255446, now seen corresponding path program 9 times [2021-03-25 00:13:34,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:34,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088526091] [2021-03-25 00:13:34,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:34,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:34,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,592 INFO L142 QuantifierPusher]: treesize reduction 27, result has 12.9 percent of original size [2021-03-25 00:13:34,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:34,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:34,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:34,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:34,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088526091] [2021-03-25 00:13:34,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058251778] [2021-03-25 00:13:34,603 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 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:34,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-25 00:13:34,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:34,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-25 00:13:34,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:34,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:34,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:34,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:34,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:34,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:34,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:34,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:34,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:34,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:34,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:34,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:34,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:34,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:34,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:34,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:34,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:34,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:34,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:34,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:34,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,676 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:34,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:34,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:34,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:34,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:34,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:34,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:34,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:34,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:34,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:34,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:34,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:34,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:34,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:34,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-25 00:13:34,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:34,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-25 00:13:34,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883231242] [2021-03-25 00:13:34,710 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 00:13:34,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:34,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 00:13:34,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-03-25 00:13:34,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:13:34,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 1385 transitions, 45118 flow. Second operand has 10 states, 10 states have (on average 23.5) internal successors, (235), 10 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:34,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:34,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:13:34,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:35,142 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][60], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 1102#(<= i2 (+ i1 2)), Black: 2245#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), 1052#(<= (+ i2 1) i1), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2159#(<= i1 i2), 949#true, 54#(<= i2 i1), 2358#(<= (+ i2 1) i1), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), 2146#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 812#(<= i1 (+ i2 2)), 1519#true, 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:35,143 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:35,143 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:35,143 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:35,143 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:36,099 INFO L129 PetriNetUnfolder]: 2455/4894 cut-off events. [2021-03-25 00:13:36,099 INFO L130 PetriNetUnfolder]: For 63377/63513 co-relation queries the response was YES. [2021-03-25 00:13:36,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52476 conditions, 4894 events. 2455/4894 cut-off events. For 63377/63513 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 40274 event pairs, 0 based on Foata normal form. 31/4706 useless extension candidates. Maximal degree in co-relation 51502. Up to 1049 conditions per place. [2021-03-25 00:13:36,178 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 514 selfloop transitions, 938 changer transitions 0/1464 dead transitions. [2021-03-25 00:13:36,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 1464 transitions, 49664 flow [2021-03-25 00:13:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 00:13:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 00:13:36,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 341 transitions. [2021-03-25 00:13:36,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7714932126696833 [2021-03-25 00:13:36,179 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 341 transitions. [2021-03-25 00:13:36,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 341 transitions. [2021-03-25 00:13:36,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:36,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 341 transitions. [2021-03-25 00:13:36,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 26.23076923076923) internal successors, (341), 13 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:36,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 34.0) internal successors, (476), 14 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:36,181 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 34.0) internal successors, (476), 14 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:36,181 INFO L185 Difference]: Start difference. First operand has 273 places, 1385 transitions, 45118 flow. Second operand 13 states and 341 transitions. [2021-03-25 00:13:36,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 1464 transitions, 49664 flow [2021-03-25 00:13:36,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 1464 transitions, 48961 flow, removed 178 selfloop flow, removed 4 redundant places. [2021-03-25 00:13:36,935 INFO L241 Difference]: Finished difference. Result has 286 places, 1460 transitions, 49651 flow [2021-03-25 00:13:36,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=44368, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=867, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=49651, PETRI_PLACES=286, PETRI_TRANSITIONS=1460} [2021-03-25 00:13:36,936 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 259 predicate places. [2021-03-25 00:13:36,936 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 1460 transitions, 49651 flow [2021-03-25 00:13:36,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.5) internal successors, (235), 10 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:36,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:36,936 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:37,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:37,137 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:37,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:37,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1147427306, now seen corresponding path program 14 times [2021-03-25 00:13:37,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:37,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511675409] [2021-03-25 00:13:37,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:37,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:37,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 00:13:37,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 00:13:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:37,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511675409] [2021-03-25 00:13:37,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087411536] [2021-03-25 00:13:37,182 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 [2021-03-25 00:13:37,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 00:13:37,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:37,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 00:13:37,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:37,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:37,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:37,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:37,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:37,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:37,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 00:13:37,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 00:13:37,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:37,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:37,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:37,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:37,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:37,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:37,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:37,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:37,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:37,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:37,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,253 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:37,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:37,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:37,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:37,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:37,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:37,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 00:13:37,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:37,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:37,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 00:13:37,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:37,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:37,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:37,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:37,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 00:13:37,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:37,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:37,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 00:13:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:37,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:37,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-25 00:13:37,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909101174] [2021-03-25 00:13:37,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 00:13:37,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:37,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 00:13:37,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-25 00:13:37,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 00:13:37,297 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 1460 transitions, 49651 flow. Second operand has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:37,297 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:37,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 00:13:37,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:37,696 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][60], [9#L62true, Black: 1136#(<= (+ i2 1) i1), 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 1102#(<= i2 (+ i1 2)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), 1167#true, Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), 1052#(<= (+ i2 1) i1), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 29#L23true, 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 808#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), 949#true, Black: 2159#(<= i1 i2), Black: 2175#(<= i1 (+ i2 2)), 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 165#(<= i1 i2), Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), 2146#true, Black: 2324#(<= i2 (+ i1 2)), Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:37,696 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 00:13:37,696 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:37,696 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:37,697 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:38,811 INFO L129 PetriNetUnfolder]: 2610/5179 cut-off events. [2021-03-25 00:13:38,811 INFO L130 PetriNetUnfolder]: For 72335/72555 co-relation queries the response was YES. [2021-03-25 00:13:38,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57545 conditions, 5179 events. 2610/5179 cut-off events. For 72335/72555 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 42887 event pairs, 0 based on Foata normal form. 29/4956 useless extension candidates. Maximal degree in co-relation 56445. Up to 953 conditions per place. [2021-03-25 00:13:38,899 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 336 selfloop transitions, 1199 changer transitions 0/1547 dead transitions. [2021-03-25 00:13:38,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 1547 transitions, 54842 flow [2021-03-25 00:13:38,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 00:13:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 00:13:38,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 263 transitions. [2021-03-25 00:13:38,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7735294117647059 [2021-03-25 00:13:38,900 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 263 transitions. [2021-03-25 00:13:38,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 263 transitions. [2021-03-25 00:13:38,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:38,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 263 transitions. [2021-03-25 00:13:38,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 26.3) internal successors, (263), 10 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:38,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:38,901 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:38,901 INFO L185 Difference]: Start difference. First operand has 286 places, 1460 transitions, 49651 flow. Second operand 10 states and 263 transitions. [2021-03-25 00:13:38,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 1547 transitions, 54842 flow [2021-03-25 00:13:39,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 1547 transitions, 54220 flow, removed 220 selfloop flow, removed 7 redundant places. [2021-03-25 00:13:39,795 INFO L241 Difference]: Finished difference. Result has 293 places, 1543 transitions, 55858 flow [2021-03-25 00:13:39,796 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=49042, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=55858, PETRI_PLACES=293, PETRI_TRANSITIONS=1543} [2021-03-25 00:13:39,796 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 266 predicate places. [2021-03-25 00:13:39,796 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 1543 transitions, 55858 flow [2021-03-25 00:13:39,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 23.4) internal successors, (234), 10 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:39,796 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:39,796 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:39,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,33 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:40,000 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:40,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:40,000 INFO L82 PathProgramCache]: Analyzing trace with hash -284815881, now seen corresponding path program 10 times [2021-03-25 00:13:40,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:40,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720323921] [2021-03-25 00:13:40,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:40,035 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-25 00:13:40,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:40,049 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-03-25 00:13:40,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:40,058 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-25 00:13:40,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:40,068 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-25 00:13:40,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 00:13:40,080 INFO L142 QuantifierPusher]: treesize reduction 14, result has 76.7 percent of original size [2021-03-25 00:13:40,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 00:13:40,095 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.7 percent of original size [2021-03-25 00:13:40,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 00:13:40,114 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-03-25 00:13:40,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 00:13:40,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,152 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 00:13:40,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,170 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:40,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720323921] [2021-03-25 00:13:40,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903604126] [2021-03-25 00:13:40,171 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 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:40,205 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 00:13:40,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:40,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-25 00:13:40,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:40,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:40,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,217 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-25 00:13:40,218 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:13:40,218 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-25 00:13:40,218 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 00:13:40,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:40,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:40,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,234 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-25 00:13:40,235 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-25 00:13:40,235 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-25 00:13:40,236 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 00:13:40,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:40,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:40,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,254 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.9 percent of original size 34 [2021-03-25 00:13:40,255 INFO L142 QuantifierPusher]: treesize reduction 7, result has 83.3 percent of original size [2021-03-25 00:13:40,258 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-25 00:13:40,259 INFO L142 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size [2021-03-25 00:13:40,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:40,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:40,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,279 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 00:13:40,279 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 00:13:40,280 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-25 00:13:40,280 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-25 00:13:40,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:40,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,307 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-03-25 00:13:40,308 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-25 00:13:40,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:40,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:40,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:40,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,332 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-25 00:13:40,333 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-25 00:13:40,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:40,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:40,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:40,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,360 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-03-25 00:13:40,361 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-03-25 00:13:40,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:40,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:40,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:40,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,386 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-03-25 00:13:40,386 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-03-25 00:13:40,387 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:40,387 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-25 00:13:40,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 00:13:40,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:40,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:40,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 00:13:40,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:40,414 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 71 [2021-03-25 00:13:40,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:40,416 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-25 00:13:40,416 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:40,416 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:40,417 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,417 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:40,418 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:40,418 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,418 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:40,418 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:40,419 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,421 INFO L147 QuantifierPusher]: treesize reduction 16, result has 85.3 percent of original size 93 [2021-03-25 00:13:40,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:40,421 INFO L142 QuantifierPusher]: treesize reduction 17, result has 87.1 percent of original size [2021-03-25 00:13:40,422 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-25 00:13:40,422 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:40,423 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,423 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-25 00:13:40,423 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:40,424 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,424 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-25 00:13:40,424 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:40,425 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,426 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:40,426 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:40,427 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,427 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:40,427 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:40,428 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,428 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:40,428 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:40,429 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,430 INFO L147 QuantifierPusher]: treesize reduction 46, result has 82.3 percent of original size 214 [2021-03-25 00:13:40,431 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:40,431 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:40,432 INFO L142 QuantifierPusher]: treesize reduction 56, result has 80.6 percent of original size [2021-03-25 00:13:40,433 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:40,434 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:40,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 00:13:40,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-25 00:13:40,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-25 00:13:40,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-25 00:13:40,441 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:40,463 INFO L628 ElimStorePlain]: treesize reduction 232, result has 3.3 percent of original size [2021-03-25 00:13:40,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:40,464 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:40,464 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-25 00:13:40,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:40,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:40,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:40,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:40,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-25 00:13:40,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723413097] [2021-03-25 00:13:40,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-25 00:13:40,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:40,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-25 00:13:40,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-03-25 00:13:40,490 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:40,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 1543 transitions, 55858 flow. Second operand has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:40,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:40,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:40,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:41,641 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][141], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:41,641 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:13:41,641 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:41,641 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:41,641 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:41,664 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][77], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 2586#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))), 1052#(<= (+ i2 1) i1), 29#L23true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:41,664 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 00:13:41,664 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 00:13:41,664 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:41,664 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:41,723 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][270], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), 2146#true, Black: 2324#(<= i2 (+ i1 2)), Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2488#true, 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:41,723 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:13:41,723 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:41,723 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:41,723 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:41,970 INFO L382 tUnfolder$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[][17], [5#L80true, 9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 2580#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 1056#(<= (+ i2 2) i1), 808#true, 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 76#(<= (+ i2 1) i1), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 54#(<= i2 i1), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2358#(<= (+ i2 1) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1108#(<= i2 i1), Black: 1098#true, 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2417#(<= i2 i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 884#(<= (+ i2 2) i1), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:41,970 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-25 00:13:41,970 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:41,970 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:41,970 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 00:13:41,972 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[][17], [5#L80true, 9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 1056#(<= (+ i2 2) i1), 808#true, 2362#(<= (+ i2 2) i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 76#(<= (+ i2 1) i1), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 54#(<= i2 i1), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), 2146#true, Black: 2324#(<= i2 (+ i1 2)), Black: 2325#(<= i2 i1), Black: 2358#(<= (+ i2 1) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 1136#(<= (+ i2 1) i1), 885#(<= (+ i2 3) i1), Black: 1108#(<= i2 i1), 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 348#(<= i2 i1), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2417#(<= i2 i1), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 884#(<= (+ i2 2) i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2488#true, 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:41,972 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-03-25 00:13:41,972 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 00:13:41,973 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 00:13:41,973 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:42,939 INFO L129 PetriNetUnfolder]: 3005/5960 cut-off events. [2021-03-25 00:13:42,940 INFO L130 PetriNetUnfolder]: For 94698/94794 co-relation queries the response was YES. [2021-03-25 00:13:42,987 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69511 conditions, 5960 events. 3005/5960 cut-off events. For 94698/94794 co-relation queries the response was YES. Maximal size of possible extension queue 515. Compared 50444 event pairs, 0 based on Foata normal form. 13/5707 useless extension candidates. Maximal degree in co-relation 67950. Up to 1229 conditions per place. [2021-03-25 00:13:43,042 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 460 selfloop transitions, 1307 changer transitions 0/1779 dead transitions. [2021-03-25 00:13:43,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 1779 transitions, 66104 flow [2021-03-25 00:13:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 00:13:43,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 00:13:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 446 transitions. [2021-03-25 00:13:43,043 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6558823529411765 [2021-03-25 00:13:43,044 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 446 transitions. [2021-03-25 00:13:43,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 446 transitions. [2021-03-25 00:13:43,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:43,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 446 transitions. [2021-03-25 00:13:43,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 22.3) internal successors, (446), 20 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:43,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 34.0) internal successors, (714), 21 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:43,045 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 34.0) internal successors, (714), 21 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:43,045 INFO L185 Difference]: Start difference. First operand has 293 places, 1543 transitions, 55858 flow. Second operand 20 states and 446 transitions. [2021-03-25 00:13:43,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 1779 transitions, 66104 flow [2021-03-25 00:13:44,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 1779 transitions, 65279 flow, removed 368 selfloop flow, removed 2 redundant places. [2021-03-25 00:13:44,111 INFO L241 Difference]: Finished difference. Result has 314 places, 1779 transitions, 65796 flow [2021-03-25 00:13:44,113 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=55207, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=65796, PETRI_PLACES=314, PETRI_TRANSITIONS=1779} [2021-03-25 00:13:44,113 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 287 predicate places. [2021-03-25 00:13:44,113 INFO L480 AbstractCegarLoop]: Abstraction has has 314 places, 1779 transitions, 65796 flow [2021-03-25 00:13:44,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 19.0) internal successors, (342), 18 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:44,113 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:44,113 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:44,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:44,335 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:44,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:44,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1341630961, now seen corresponding path program 11 times [2021-03-25 00:13:44,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:44,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60163068] [2021-03-25 00:13:44,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:44,369 INFO L142 QuantifierPusher]: treesize reduction 41, result has 35.9 percent of original size [2021-03-25 00:13:44,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:44,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:44,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:44,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:13:44,427 INFO L142 QuantifierPusher]: treesize reduction 50, result has 37.5 percent of original size [2021-03-25 00:13:44,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:44,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:13:44,472 INFO L142 QuantifierPusher]: treesize reduction 39, result has 42.6 percent of original size [2021-03-25 00:13:44,472 INFO L147 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size 20 [2021-03-25 00:13:44,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:44,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 00:13:44,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:13:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 00:13:44,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60163068] [2021-03-25 00:13:44,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902001935] [2021-03-25 00:13:44,491 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 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 [2021-03-25 00:13:44,521 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-25 00:13:44,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:44,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-25 00:13:44,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:44,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:44,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:44,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:44,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:44,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:44,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:44,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:44,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:44,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,532 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-03-25 00:13:44,533 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-03-25 00:13:44,533 INFO L147 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size 21 [2021-03-25 00:13:44,533 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-25 00:13:44,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:44,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:44,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:44,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:44,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:44,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:44,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,547 INFO L147 QuantifierPusher]: treesize reduction 7, result has 80.6 percent of original size 29 [2021-03-25 00:13:44,548 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-03-25 00:13:44,548 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-25 00:13:44,548 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 00:13:44,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:44,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:44,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:44,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:44,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:44,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:44,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,565 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-25 00:13:44,565 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-25 00:13:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:44,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:44,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:44,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:44,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:44,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:44,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:44,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:13:44,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:44,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:44,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:44,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 00:13:44,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 00:13:44,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 00:13:44,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 00:13:44,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,619 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size 42 [2021-03-25 00:13:44,619 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size [2021-03-25 00:13:44,619 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 00:13:44,620 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-25 00:13:44,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:44,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:44,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 00:13:44,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,636 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size 28 [2021-03-25 00:13:44,636 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size [2021-03-25 00:13:44,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:44,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:44,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,652 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-03-25 00:13:44,653 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-03-25 00:13:44,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:44,653 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-25 00:13:44,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 00:13:44,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:44,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:44,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 00:13:44,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:44,683 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 71 [2021-03-25 00:13:44,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:44,685 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-25 00:13:44,685 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:44,685 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:44,686 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,687 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:44,687 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:44,688 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,688 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:44,688 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:44,689 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,690 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.6 percent of original size 93 [2021-03-25 00:13:44,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:44,691 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.8 percent of original size [2021-03-25 00:13:44,691 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-25 00:13:44,691 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:44,692 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,692 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-25 00:13:44,692 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:44,696 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,696 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-25 00:13:44,696 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:44,697 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,697 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:44,697 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:44,698 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,699 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:44,699 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:44,699 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,699 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:44,700 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:44,700 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,700 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:44,700 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:44,701 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,704 INFO L147 QuantifierPusher]: treesize reduction 48, result has 83.0 percent of original size 235 [2021-03-25 00:13:44,705 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:44,705 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:44,707 INFO L142 QuantifierPusher]: treesize reduction 58, result has 81.4 percent of original size [2021-03-25 00:13:44,708 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:44,708 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,708 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:44,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 00:13:44,710 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:44,711 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:44,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,712 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.5 percent of original size 49 [2021-03-25 00:13:44,713 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:44,713 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:44,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:44,717 INFO L147 QuantifierPusher]: treesize reduction 4, result has 98.7 percent of original size 306 [2021-03-25 00:13:44,718 INFO L147 QuantifierPusher]: treesize reduction 4, result has 98.7 percent of original size 306 [2021-03-25 00:13:44,720 INFO L142 QuantifierPusher]: treesize reduction 4, result has 98.7 percent of original size [2021-03-25 00:13:44,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2021-03-25 00:13:44,722 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:44,750 INFO L628 ElimStorePlain]: treesize reduction 298, result has 2.6 percent of original size [2021-03-25 00:13:44,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:44,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:44,751 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-25 00:13:44,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:44,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:44,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:44,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 00:13:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:44,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:44,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-03-25 00:13:44,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301940076] [2021-03-25 00:13:44,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 00:13:44,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:44,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 00:13:44,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-03-25 00:13:44,782 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:44,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 1779 transitions, 65796 flow. Second operand has 15 states, 15 states have (on average 19.133333333333333) internal successors, (287), 15 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:44,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:44,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:44,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:45,847 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][59], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 2586#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:45,847 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 00:13:45,847 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:45,847 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:45,847 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 00:13:45,855 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][109], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:45,855 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 00:13:45,855 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 00:13:45,855 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:45,855 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:45,960 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][203], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2159#(<= i1 i2), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2488#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:45,960 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:13:45,960 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:45,960 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:45,960 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:47,288 INFO L129 PetriNetUnfolder]: 3147/6247 cut-off events. [2021-03-25 00:13:47,288 INFO L130 PetriNetUnfolder]: For 104237/104370 co-relation queries the response was YES. [2021-03-25 00:13:47,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75782 conditions, 6247 events. 3147/6247 cut-off events. For 104237/104370 co-relation queries the response was YES. Maximal size of possible extension queue 545. Compared 53277 event pairs, 0 based on Foata normal form. 23/5991 useless extension candidates. Maximal degree in co-relation 74198. Up to 2461 conditions per place. [2021-03-25 00:13:47,406 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1006 selfloop transitions, 840 changer transitions 0/1858 dead transitions. [2021-03-25 00:13:47,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 1858 transitions, 72140 flow [2021-03-25 00:13:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 00:13:47,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 00:13:47,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 371 transitions. [2021-03-25 00:13:47,407 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6418685121107266 [2021-03-25 00:13:47,407 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 371 transitions. [2021-03-25 00:13:47,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 371 transitions. [2021-03-25 00:13:47,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:47,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 371 transitions. [2021-03-25 00:13:47,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 21.823529411764707) internal successors, (371), 17 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:47,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:47,409 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 34.0) internal successors, (612), 18 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:47,409 INFO L185 Difference]: Start difference. First operand has 314 places, 1779 transitions, 65796 flow. Second operand 17 states and 371 transitions. [2021-03-25 00:13:47,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 1858 transitions, 72140 flow [2021-03-25 00:13:48,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 1858 transitions, 71271 flow, removed 200 selfloop flow, removed 7 redundant places. [2021-03-25 00:13:48,740 INFO L241 Difference]: Finished difference. Result has 326 places, 1858 transitions, 70339 flow [2021-03-25 00:13:48,741 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=64840, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1776, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=766, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=964, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=70339, PETRI_PLACES=326, PETRI_TRANSITIONS=1858} [2021-03-25 00:13:48,741 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 299 predicate places. [2021-03-25 00:13:48,741 INFO L480 AbstractCegarLoop]: Abstraction has has 326 places, 1858 transitions, 70339 flow [2021-03-25 00:13:48,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 19.133333333333333) internal successors, (287), 15 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:48,741 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:48,741 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:48,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,35 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:48,951 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:48,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:48,952 INFO L82 PathProgramCache]: Analyzing trace with hash -615312551, now seen corresponding path program 12 times [2021-03-25 00:13:48,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:48,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109209755] [2021-03-25 00:13:48,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:48,982 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-25 00:13:48,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:48,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:48,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:48,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:48,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:49,008 INFO L142 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size [2021-03-25 00:13:49,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:13:49,029 INFO L142 QuantifierPusher]: treesize reduction 36, result has 53.8 percent of original size [2021-03-25 00:13:49,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 00:13:49,044 INFO L142 QuantifierPusher]: treesize reduction 47, result has 42.7 percent of original size [2021-03-25 00:13:49,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:13:49,068 INFO L142 QuantifierPusher]: treesize reduction 76, result has 42.0 percent of original size [2021-03-25 00:13:49,069 INFO L147 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-03-25 00:13:49,102 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-25 00:13:49,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:49,121 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 00:13:49,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:49,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:49,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109209755] [2021-03-25 00:13:49,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146264978] [2021-03-25 00:13:49,146 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 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:49,188 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-25 00:13:49,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:13:49,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-25 00:13:49,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:49,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:49,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,205 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-25 00:13:49,205 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-25 00:13:49,206 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-25 00:13:49,206 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-25 00:13:49,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:49,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:13:49,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,219 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 00:13:49,219 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 00:13:49,219 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-25 00:13:49,220 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-25 00:13:49,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:49,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:49,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:49,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:49,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:49,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:49,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 00:13:49,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,250 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-25 00:13:49,250 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 00:13:49,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:49,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:13:49,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:49,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,268 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 00:13:49,268 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 00:13:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:49,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:49,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,289 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-25 00:13:49,290 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-25 00:13:49,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:49,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:49,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:13:49,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 00:13:49,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,306 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size 28 [2021-03-25 00:13:49,307 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size [2021-03-25 00:13:49,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:49,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:49,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,323 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-03-25 00:13:49,323 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-03-25 00:13:49,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:49,324 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-25 00:13:49,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 00:13:49,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:49,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:49,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 00:13:49,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:49,350 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 71 [2021-03-25 00:13:49,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:49,353 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-25 00:13:49,353 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:49,353 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:49,354 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,354 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:49,354 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:49,355 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,355 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:49,355 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:49,356 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,357 INFO L147 QuantifierPusher]: treesize reduction 14, result has 86.9 percent of original size 93 [2021-03-25 00:13:49,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:49,358 INFO L142 QuantifierPusher]: treesize reduction 15, result has 88.5 percent of original size [2021-03-25 00:13:49,358 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-25 00:13:49,358 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:49,359 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,359 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:49,359 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:49,360 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,360 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:49,360 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:49,361 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,361 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:49,361 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:49,362 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,363 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-25 00:13:49,363 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:49,363 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,364 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-25 00:13:49,364 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:49,364 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,365 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:49,365 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:49,365 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,367 INFO L147 QuantifierPusher]: treesize reduction 49, result has 82.7 percent of original size 235 [2021-03-25 00:13:49,367 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:49,368 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:49,369 INFO L142 QuantifierPusher]: treesize reduction 59, result has 81.1 percent of original size [2021-03-25 00:13:49,370 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:49,370 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:49,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,371 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-25 00:13:49,372 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:49,373 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:49,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 00:13:49,374 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:49,375 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:49,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:49,378 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.3 percent of original size 321 [2021-03-25 00:13:49,379 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.3 percent of original size 321 [2021-03-25 00:13:49,381 INFO L142 QuantifierPusher]: treesize reduction -1, result has 100.3 percent of original size [2021-03-25 00:13:49,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-03-25 00:13:49,382 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:49,408 INFO L628 ElimStorePlain]: treesize reduction 313, result has 2.5 percent of original size [2021-03-25 00:13:49,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,409 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:49,409 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-25 00:13:49,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:49,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:49,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:49,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-25 00:13:49,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587409406] [2021-03-25 00:13:49,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-25 00:13:49,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:49,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-25 00:13:49,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-03-25 00:13:49,440 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:49,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 1858 transitions, 70339 flow. Second operand has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:49,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:49,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:49,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:50,614 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][58], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 2586#(and (or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))) (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1))))), 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 808#true, 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:50,615 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 00:13:50,615 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 00:13:50,615 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:50,615 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 00:13:50,631 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][110], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 949#true, Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:50,631 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 00:13:50,631 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:50,631 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 00:13:50,631 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:50,751 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][204], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1262#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), 949#true, Black: 2410#(<= i2 (+ i1 2)), Black: 2159#(<= i1 i2), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2488#true, 2232#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:50,751 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:13:50,751 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:50,751 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:50,751 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:52,565 INFO L129 PetriNetUnfolder]: 3640/7221 cut-off events. [2021-03-25 00:13:52,566 INFO L130 PetriNetUnfolder]: For 119191/119323 co-relation queries the response was YES. [2021-03-25 00:13:52,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91776 conditions, 7221 events. 3640/7221 cut-off events. For 119191/119323 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 63289 event pairs, 0 based on Foata normal form. 22/6914 useless extension candidates. Maximal degree in co-relation 90102. Up to 3393 conditions per place. [2021-03-25 00:13:52,705 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1348 selfloop transitions, 802 changer transitions 0/2162 dead transitions. [2021-03-25 00:13:52,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 2162 transitions, 87422 flow [2021-03-25 00:13:52,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-25 00:13:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-25 00:13:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 526 transitions. [2021-03-25 00:13:52,707 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6446078431372549 [2021-03-25 00:13:52,707 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 526 transitions. [2021-03-25 00:13:52,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 526 transitions. [2021-03-25 00:13:52,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:52,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 526 transitions. [2021-03-25 00:13:52,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 21.916666666666668) internal successors, (526), 24 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:52,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 34.0) internal successors, (850), 25 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:52,708 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 34.0) internal successors, (850), 25 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:52,709 INFO L185 Difference]: Start difference. First operand has 326 places, 1858 transitions, 70339 flow. Second operand 24 states and 526 transitions. [2021-03-25 00:13:52,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 2162 transitions, 87422 flow [2021-03-25 00:13:54,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 2162 transitions, 86883 flow, removed 160 selfloop flow, removed 10 redundant places. [2021-03-25 00:13:54,465 INFO L241 Difference]: Finished difference. Result has 345 places, 2162 transitions, 85373 flow [2021-03-25 00:13:54,466 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=69996, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1858, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=542, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=85373, PETRI_PLACES=345, PETRI_TRANSITIONS=2162} [2021-03-25 00:13:54,466 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 318 predicate places. [2021-03-25 00:13:54,467 INFO L480 AbstractCegarLoop]: Abstraction has has 345 places, 2162 transitions, 85373 flow [2021-03-25 00:13:54,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.0) internal successors, (361), 19 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:54,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:13:54,467 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:13:54,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:54,667 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:13:54,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:13:54,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1949506671, now seen corresponding path program 13 times [2021-03-25 00:13:54,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:13:54,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959250302] [2021-03-25 00:13:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:13:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:54,692 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-25 00:13:54,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:54,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:13:54,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:54,720 INFO L142 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size [2021-03-25 00:13:54,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:13:54,742 INFO L142 QuantifierPusher]: treesize reduction 57, result has 41.8 percent of original size [2021-03-25 00:13:54,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 00:13:54,770 INFO L142 QuantifierPusher]: treesize reduction 65, result has 35.0 percent of original size [2021-03-25 00:13:54,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:13:54,800 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-03-25 00:13:54,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 00:13:54,822 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-25 00:13:54,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 00:13:54,843 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 00:13:54,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:13:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:54,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959250302] [2021-03-25 00:13:54,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255166305] [2021-03-25 00:13:54,874 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 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 00:13:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:13:54,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-25 00:13:54,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:13:54,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:54,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:54,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:54,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:54,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:54,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:54,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:54,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:13:54,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,915 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-25 00:13:54,915 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-25 00:13:54,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:54,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:13:54,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 00:13:54,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,927 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-03-25 00:13:54,927 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 00:13:54,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:13:54,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,946 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-03-25 00:13:54,946 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size [2021-03-25 00:13:54,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:54,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:54,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:54,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:54,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:54,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:54,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 00:13:54,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,965 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-03-25 00:13:54,965 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-03-25 00:13:54,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:54,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:54,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:13:54,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,984 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.7 percent of original size 64 [2021-03-25 00:13:54,984 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-25 00:13:54,985 INFO L147 QuantifierPusher]: treesize reduction 4, result has 93.8 percent of original size 61 [2021-03-25 00:13:54,985 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.8 percent of original size [2021-03-25 00:13:54,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 00:13:54,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:54,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 00:13:55,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,006 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-03-25 00:13:55,006 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-03-25 00:13:55,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 00:13:55,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 00:13:55,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 00:13:55,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 00:13:55,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,030 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size 28 [2021-03-25 00:13:55,030 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-25 00:13:55,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:55,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:13:55,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 00:13:55,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:55,070 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-25 00:13:55,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 00:13:55,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:55,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:55,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 00:13:55,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 00:13:55,105 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 31 treesize of output 71 [2021-03-25 00:13:55,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:55,107 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-25 00:13:55,107 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:55,107 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:55,108 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,109 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:55,109 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:55,110 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,110 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:55,110 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:55,111 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,112 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.6 percent of original size 93 [2021-03-25 00:13:55,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:55,113 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.8 percent of original size [2021-03-25 00:13:55,114 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-25 00:13:55,114 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:55,114 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,115 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:13:55,115 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:13:55,115 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,116 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:13:55,116 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:55,116 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,116 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:55,117 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:55,117 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,118 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-25 00:13:55,118 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:13:55,118 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,119 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-25 00:13:55,119 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:55,120 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,120 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:13:55,120 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:55,121 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,123 INFO L147 QuantifierPusher]: treesize reduction 50, result has 82.5 percent of original size 235 [2021-03-25 00:13:55,123 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:55,124 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:55,127 INFO L142 QuantifierPusher]: treesize reduction 243, result has 58.6 percent of original size [2021-03-25 00:13:55,127 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:55,127 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:55,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,129 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 58 [2021-03-25 00:13:55,129 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:55,130 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:55,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:13:55,136 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:13:55,137 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,137 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:13:55,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,139 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 58 [2021-03-25 00:13:55,141 INFO L147 QuantifierPusher]: treesize reduction 152, result has 66.1 percent of original size 297 [2021-03-25 00:13:55,143 INFO L147 QuantifierPusher]: treesize reduction 152, result has 66.1 percent of original size 297 [2021-03-25 00:13:55,145 INFO L142 QuantifierPusher]: treesize reduction 152, result has 66.1 percent of original size [2021-03-25 00:13:55,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 297 [2021-03-25 00:13:55,147 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 00:13:55,171 INFO L628 ElimStorePlain]: treesize reduction 289, result has 2.7 percent of original size [2021-03-25 00:13:55,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:55,172 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 00:13:55,172 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-25 00:13:55,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:55,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 00:13:55,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:13:55,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 00:13:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 00:13:55,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 00:13:55,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-25 00:13:55,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874739366] [2021-03-25 00:13:55,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-25 00:13:55,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 00:13:55,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-25 00:13:55,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2021-03-25 00:13:55,201 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 00:13:55,201 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 2162 transitions, 85373 flow. Second operand has 18 states, 18 states have (on average 19.055555555555557) internal successors, (343), 18 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:55,202 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 00:13:55,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 00:13:55,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 00:13:56,872 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][110], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 1257#true, Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), 2799#true, 1519#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:56,872 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 00:13:56,872 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:56,872 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 00:13:56,872 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 00:13:57,057 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][204], [9#L62true, 10#L49true, Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 2309#(and (<= (+ i1 3) i2) (<= (+ i1 3) n)), Black: 2245#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), Black: 2311#(and (<= (+ i1 4) i2) (<= (+ i1 4) n)), Black: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), 2066#true, 18#L36true, 21#L79true, Black: 218#(<= i2 i1), 279#true, 1052#(<= (+ i2 1) i1), 29#L23true, Black: 2496#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x i1) (select x (+ i2 1))) s1) (<= s1 (+ s2 (select x i1) (select x (+ i2 1)))))), Black: 2497#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 2498#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2495#(or (<= i1 (+ i2 2)) (and (<= s1 (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1))))) (<= (+ s2 (select x i1) (select x (+ i2 1)) (select x (+ i1 (- 1)))) s1)) (<= (+ i2 4) i1)), 2596#true, 808#true, 2358#(<= (+ i2 1) i1), 54#(<= i2 i1), Black: 1264#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1265#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1332#(and (or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)) (or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1)))), Black: 1263#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), 1349#true, Black: 1027#(<= i2 (+ i1 1)), Black: 1525#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1526#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1613#true, Black: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), 1108#(<= i2 i1), Black: 1795#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1796#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), 1882#true, 348#(<= i2 i1), Black: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), Black: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2325#(<= i2 i1), Black: 2362#(<= (+ i2 2) i1), Black: 818#(<= i1 i2), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 2417#(<= i2 i1), 884#(<= (+ i2 2) i1), Black: 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2602#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 2603#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 2690#true, Black: 1136#(<= (+ i2 1) i1), Black: 1098#true, Black: 1101#(<= i2 (+ i1 1)), Black: 1102#(<= i2 (+ i1 2)), 1167#true, Black: 342#(<= i2 (+ i1 1)), Black: 635#(or (and (or (= s2 s1) (not (= i2 i1))) (= (mod s1 (- 2)) 0) (or (not (= i2 1)) (= (+ s2 (* 2 (div (* s1 (- 1)) (- 2)))) (* 2 s1)))) (and (not (= i1 1)) (or (= s2 s1) (not (= i2 i1))) (or (not (= i2 1)) (= (mod s2 (- 2)) 0)))), Black: 1356#(or (not (= n (+ i1 1))) (and (or (not (= i2 n)) (<= (+ s1 (select x i2)) s2)) (or (<= s2 (+ s1 (select x i2))) (not (= i2 n))))), Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 158#true, Black: 1617#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 1618#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 1619#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1699#true, Black: 1889#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1890#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1971#true, Black: 2149#(<= i1 (+ i2 1)), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 2410#(<= i2 (+ i1 2)), Black: 2159#(<= i1 i2), Black: 2411#(<= i2 (+ i1 3)), Black: 2175#(<= i1 (+ i2 2)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 2477#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 2232#true, 2488#true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 165#(<= i1 i2), 735#true, Black: 1173#(or (<= (+ i2 3) i1) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), Black: 1174#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 1175#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 2696#(or (<= (+ i2 3) i1) (not (= n (+ i1 1))) (<= i1 (+ i2 1)) (and (<= (+ s2 (select x (+ i2 1)) (select x i1)) s1) (<= s1 (+ s2 (select x (+ i2 1)) (select x i1))))), 1257#true, Black: 2697#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= n (+ i1 1))) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2698#(or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)), Black: 2699#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2700#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), Black: 2783#(and (or (and (<= s2 s1) (<= s1 s2)) (not (= n (+ i2 1))) (<= (+ i1 1) i2) (<= (+ i2 1) i1)) (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)))), 1519#true, 2799#true, Black: 1705#(or (not (= i2 n)) (<= (+ i1 3) n) (<= n (+ i1 1)) (and (<= s2 (+ s1 (select x (+ i1 1)) (select x i2))) (<= (+ s1 (select x (+ i1 1)) (select x i2)) s2))), Black: 1706#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 1707#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 1789#true, Black: 954#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 955#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1)))]) [2021-03-25 00:13:57,057 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 00:13:57,057 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 00:13:57,057 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:57,057 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 00:13:59,367 INFO L129 PetriNetUnfolder]: 4128/8206 cut-off events. [2021-03-25 00:13:59,367 INFO L130 PetriNetUnfolder]: For 140462/140594 co-relation queries the response was YES. [2021-03-25 00:13:59,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105214 conditions, 8206 events. 4128/8206 cut-off events. For 140462/140594 co-relation queries the response was YES. Maximal size of possible extension queue 726. Compared 73647 event pairs, 0 based on Foata normal form. 28/7835 useless extension candidates. Maximal degree in co-relation 103535. Up to 3909 conditions per place. [2021-03-25 00:13:59,548 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1530 selfloop transitions, 905 changer transitions 0/2447 dead transitions. [2021-03-25 00:13:59,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 2447 transitions, 100334 flow [2021-03-25 00:13:59,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-25 00:13:59,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-25 00:13:59,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 591 transitions. [2021-03-25 00:13:59,549 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6437908496732027 [2021-03-25 00:13:59,549 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 591 transitions. [2021-03-25 00:13:59,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 591 transitions. [2021-03-25 00:13:59,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 00:13:59,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 591 transitions. [2021-03-25 00:13:59,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 21.88888888888889) internal successors, (591), 27 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:59,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:59,551 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 34.0) internal successors, (952), 28 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:13:59,551 INFO L185 Difference]: Start difference. First operand has 345 places, 2162 transitions, 85373 flow. Second operand 27 states and 591 transitions. [2021-03-25 00:13:59,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 2447 transitions, 100334 flow [2021-03-25 00:14:01,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 2447 transitions, 99953 flow, removed 122 selfloop flow, removed 9 redundant places. [2021-03-25 00:14:01,854 INFO L241 Difference]: Finished difference. Result has 367 places, 2447 transitions, 98250 flow [2021-03-25 00:14:01,856 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=85020, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=644, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=98250, PETRI_PLACES=367, PETRI_TRANSITIONS=2447} [2021-03-25 00:14:01,856 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 340 predicate places. [2021-03-25 00:14:01,856 INFO L480 AbstractCegarLoop]: Abstraction has has 367 places, 2447 transitions, 98250 flow [2021-03-25 00:14:01,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 19.055555555555557) internal successors, (343), 18 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 00:14:01,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 00:14:01,856 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 00:14:02,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable205 [2021-03-25 00:14:02,062 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 00:14:02,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 00:14:02,063 INFO L82 PathProgramCache]: Analyzing trace with hash 436481143, now seen corresponding path program 15 times [2021-03-25 00:14:02,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 00:14:02,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574328011] [2021-03-25 00:14:02,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 00:14:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 00:14:02,083 INFO L142 QuantifierPusher]: treesize reduction 42, result has 34.4 percent of original size [2021-03-25 00:14:02,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:14:02,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 00:14:02,108 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-03-25 00:14:02,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 00:14:02,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:14:02,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 00:14:02,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 00:14:02,171 INFO L142 QuantifierPusher]: treesize reduction 39, result has 42.6 percent of original size [2021-03-25 00:14:02,171 INFO L147 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size 20 [2021-03-25 00:14:02,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:14:02,193 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 00:14:02,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 00:14:02,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-25 00:14:02,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574328011] [2021-03-25 00:14:02,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060572043] [2021-03-25 00:14:02,199 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 [2021-03-25 00:14:02,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-25 00:14:02,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 00:14:02,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-25 00:14:02,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 00:14:02,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 00:14:02,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,251 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-25 00:14:02,251 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-25 00:14:02,252 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-25 00:14:02,252 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-25 00:14:02,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:14:02,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 00:14:02,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 00:14:02,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:14:02,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:14:02,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 00:14:02,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,277 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-03-25 00:14:02,277 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-25 00:14:02,278 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 00:14:02,278 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 00:14:02,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:14:02,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:14:02,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:14:02,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:14:02,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:14:02,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 00:14:02,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,295 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size 24 [2021-03-25 00:14:02,295 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-25 00:14:02,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:14:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:14:02,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 00:14:02,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,311 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-25 00:14:02,311 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-25 00:14:02,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:14:02,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:14:02,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 00:14:02,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 00:14:02,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,329 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size 25 [2021-03-25 00:14:02,329 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 00:14:02,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:14:02,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 00:14:02,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,347 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-03-25 00:14:02,347 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-03-25 00:14:02,347 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-03-25 00:14:02,348 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-03-25 00:14:02,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:14:02,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 00:14:02,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 00:14:02,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,370 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-03-25 00:14:02,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:14:02,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 00:14:02,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 00:14:02,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 00:14:02,488 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2021-03-25 00:14:02,488 INFO L354 Elim1Store]: treesize reduction 20, result has 85.0 percent of original size [2021-03-25 00:14:02,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 35 treesize of output 127 [2021-03-25 00:14:02,489 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-25 00:14:02,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,490 INFO L142 QuantifierPusher]: treesize reduction 26, result has 79.0 percent of original size [2021-03-25 00:14:02,491 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 1] term [2021-03-25 00:14:02,491 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-03-25 00:14:02,492 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,492 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 1] term [2021-03-25 00:14:02,492 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-25 00:14:02,493 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,493 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2021-03-25 00:14:02,493 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 00:14:02,494 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,494 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2021-03-25 00:14:02,494 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:14:02,508 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,509 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 00:14:02,509 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:14:02,509 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,510 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:14:02,510 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,510 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,511 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:14:02,511 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,512 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,514 INFO L147 QuantifierPusher]: treesize reduction 119, result has 76.1 percent of original size 379 [2021-03-25 00:14:02,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,517 INFO L142 QuantifierPusher]: treesize reduction 129, result has 76.3 percent of original size [2021-03-25 00:14:02,518 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,519 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,522 INFO L142 QuantifierPusher]: treesize reduction 53, result has 93.3 percent of original size [2021-03-25 00:14:02,523 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:14:02,523 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,524 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,524 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:14:02,524 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,526 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,527 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:14:02,528 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,529 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 00:14:02,529 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,529 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,530 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 00:14:02,530 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,530 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,532 INFO L147 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size 92 [2021-03-25 00:14:02,532 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:14:02,533 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,534 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.2 percent of original size [2021-03-25 00:14:02,534 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,534 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,536 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,536 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,538 INFO L147 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size 13 [2021-03-25 00:14:02,538 INFO L147 QuantifierPusher]: treesize reduction 17, result has 77.0 percent of original size 57 [2021-03-25 00:14:02,539 INFO L147 QuantifierPusher]: treesize reduction 13, result has 91.5 percent of original size 140 [2021-03-25 00:14:02,540 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 00:14:02,541 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,542 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:14:02,542 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,544 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:14:02,544 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,546 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,547 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,548 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,548 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,550 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-03-25 00:14:02,550 INFO L147 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size 10 [2021-03-25 00:14:02,551 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.3 percent of original size 92 [2021-03-25 00:14:02,552 INFO L147 QuantifierPusher]: treesize reduction 28, result has 84.5 percent of original size 153 [2021-03-25 00:14:02,553 INFO L147 QuantifierPusher]: treesize reduction 64, result has 76.7 percent of original size 211 [2021-03-25 00:14:02,556 INFO L147 QuantifierPusher]: treesize reduction 83, result has 80.6 percent of original size 344 [2021-03-25 00:14:02,561 INFO L147 QuantifierPusher]: treesize reduction 194, result has 84.2 percent of original size 1030 [2021-03-25 00:14:02,566 INFO L147 QuantifierPusher]: treesize reduction 194, result has 84.3 percent of original size 1045 [2021-03-25 00:14:02,567 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,568 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,578 INFO L142 QuantifierPusher]: treesize reduction 459, result has 81.6 percent of original size [2021-03-25 00:14:02,580 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,581 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,589 INFO L142 QuantifierPusher]: treesize reduction 256, result has 85.8 percent of original size [2021-03-25 00:14:02,589 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:14:02,590 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,591 INFO L142 QuantifierPusher]: treesize reduction 28, result has 73.6 percent of original size [2021-03-25 00:14:02,591 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,592 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,592 INFO L142 QuantifierPusher]: treesize reduction 14, result has 82.1 percent of original size [2021-03-25 00:14:02,593 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,593 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 00:14:02,595 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.1 percent of original size 96 [2021-03-25 00:14:02,596 INFO L147 QuantifierPusher]: treesize reduction -2, result has 101.5 percent of original size 138 [2021-03-25 00:14:02,597 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,597 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,598 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-03-25 00:14:02,598 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,602 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,603 INFO L142 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size [2021-03-25 00:14:02,604 INFO L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-03-25 00:14:02,604 INFO L147 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size 21 [2021-03-25 00:14:02,604 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,605 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,605 INFO L142 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size [2021-03-25 00:14:02,606 INFO L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-03-25 00:14:02,606 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,607 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,608 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.9 percent of original size [2021-03-25 00:14:02,608 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,609 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 00:14:02,611 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.3 percent of original size 76 [2021-03-25 00:14:02,613 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 00:14:02,613 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,614 INFO L142 QuantifierPusher]: treesize reduction 74, result has 24.5 percent of original size [2021-03-25 00:14:02,614 INFO L147 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size 20 [2021-03-25 00:14:02,615 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,615 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,616 INFO L142 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-03-25 00:14:02,617 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-03-25 00:14:02,618 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:14:02,618 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,619 INFO L142 QuantifierPusher]: treesize reduction 18, result has 90.5 percent of original size [2021-03-25 00:14:02,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,624 INFO L142 QuantifierPusher]: treesize reduction 84, result has 62.0 percent of original size [2021-03-25 00:14:02,625 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 00:14:02,626 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,641 INFO L142 QuantifierPusher]: treesize reduction 30, result has 86.0 percent of original size [2021-03-25 00:14:02,642 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-25 00:14:02,643 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,645 INFO L142 QuantifierPusher]: treesize reduction 32, result has 90.5 percent of original size [2021-03-25 00:14:02,653 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-25 00:14:02,654 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,655 INFO L142 QuantifierPusher]: treesize reduction 17, result has 92.5 percent of original size [2021-03-25 00:14:02,669 INFO L147 QuantifierPusher]: treesize reduction -10, result has 101.8 percent of original size 561 [2021-03-25 00:14:02,671 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 00:14:02,671 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,674 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:14:02,675 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,683 INFO L147 QuantifierPusher]: treesize reduction -4, result has 101.3 percent of original size 307 [2021-03-25 00:14:02,689 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-25 00:14:02,690 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,691 INFO L142 QuantifierPusher]: treesize reduction 17, result has 92.5 percent of original size [2021-03-25 00:14:02,705 INFO L147 QuantifierPusher]: treesize reduction -10, result has 101.8 percent of original size 561 [2021-03-25 00:14:02,708 INFO L147 QuantifierPusher]: treesize reduction -14, result has 101.6 percent of original size 873 [2021-03-25 00:14:02,711 INFO L147 QuantifierPusher]: treesize reduction 538, result has 62.0 percent of original size 877 [2021-03-25 00:14:02,714 INFO L147 QuantifierPusher]: treesize reduction 538, result has 62.0 percent of original size 877 [2021-03-25 00:14:02,715 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-25 00:14:02,716 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,721 INFO L142 QuantifierPusher]: treesize reduction -24, result has 101.7 percent of original size [2021-03-25 00:14:02,722 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-25 00:14:02,723 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,728 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,729 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-03-25 00:14:02,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 863 [2021-03-25 00:14:02,739 INFO L147 QuantifierPusher]: treesize reduction 263, result has 81.5 percent of original size 1160 [2021-03-25 00:14:02,739 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:14:02,740 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,741 INFO L142 QuantifierPusher]: treesize reduction 26, result has 86.5 percent of original size [2021-03-25 00:14:02,742 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 00:14:02,742 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,744 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,744 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,756 INFO L147 QuantifierPusher]: treesize reduction 23, result has 92.6 percent of original size 287 [2021-03-25 00:14:02,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,766 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.9 percent of original size [2021-03-25 00:14:02,767 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,768 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,768 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,773 INFO L147 QuantifierPusher]: treesize reduction -2, result has 101.8 percent of original size 116 [2021-03-25 00:14:02,773 INFO L147 QuantifierPusher]: treesize reduction -2, result has 101.8 percent of original size 116 [2021-03-25 00:14:02,774 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,778 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,779 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,780 INFO L142 QuantifierPusher]: treesize reduction -2, result has 101.5 percent of original size [2021-03-25 00:14:02,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-25 00:14:02,784 INFO L147 QuantifierPusher]: treesize reduction 23, result has 95.0 percent of original size 436 [2021-03-25 00:14:02,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,795 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-25 00:14:02,796 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 00:14:02,797 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,822 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:02,823 INFO L147 QuantifierPusher]: treesize reduction 47, result has 83.8 percent of original size 244 [2021-03-25 00:14:02,825 INFO L147 QuantifierPusher]: treesize reduction 47, result has 83.8 percent of original size 244 [2021-03-25 00:14:02,825 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,826 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,826 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,828 INFO L142 QuantifierPusher]: treesize reduction 47, result has 85.0 percent of original size [2021-03-25 00:14:02,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-25 00:14:02,831 INFO L147 QuantifierPusher]: treesize reduction 23, result has 96.8 percent of original size 705 [2021-03-25 00:14:02,837 INFO L147 QuantifierPusher]: treesize reduction 286, result has 86.8 percent of original size 1884 [2021-03-25 00:14:02,842 INFO L147 QuantifierPusher]: treesize reduction 286, result has 86.8 percent of original size 1884 [2021-03-25 00:14:02,844 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 00:14:02,845 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,851 INFO L142 QuantifierPusher]: treesize reduction 286, result has 87.0 percent of original size [2021-03-25 00:14:02,858 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-25 00:14:02,859 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:02,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 00:14:02,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 00:14:03,078 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:03,532 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:04,294 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:05,222 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:06,247 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:10,336 INFO L842 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:16,440 INFO L842 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:23,645 INFO L842 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:32,036 INFO L842 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:41,891 INFO L842 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:14:52,939 INFO L842 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:15:04,977 INFO L842 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:15:18,363 INFO L842 QuantifierPusher]: Run 130 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:15:32,955 INFO L842 QuantifierPusher]: Run 140 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:15:48,784 INFO L842 QuantifierPusher]: Run 150 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:16:05,918 INFO L842 QuantifierPusher]: Run 160 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:16:24,227 INFO L842 QuantifierPusher]: Run 170 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:16:43,970 INFO L842 QuantifierPusher]: Run 180 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:17:07,867 INFO L842 QuantifierPusher]: Run 190 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:17:36,088 INFO L842 QuantifierPusher]: Run 200 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:18:06,047 INFO L842 QuantifierPusher]: Run 210 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:18:37,504 INFO L842 QuantifierPusher]: Run 220 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:19:10,305 INFO L842 QuantifierPusher]: Run 230 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:19:44,581 INFO L842 QuantifierPusher]: Run 240 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:20:20,813 INFO L842 QuantifierPusher]: Run 250 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:20:59,169 INFO L842 QuantifierPusher]: Run 260 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:21:38,943 INFO L842 QuantifierPusher]: Run 270 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:22:20,386 INFO L842 QuantifierPusher]: Run 280 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:23:03,494 INFO L842 QuantifierPusher]: Run 290 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:23:48,201 INFO L842 QuantifierPusher]: Run 300 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:24:34,384 INFO L842 QuantifierPusher]: Run 310 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:25:22,944 INFO L842 QuantifierPusher]: Run 320 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:26:11,118 INFO L842 QuantifierPusher]: Run 330 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 00:27:07,226 INFO L842 QuantifierPusher]: Run 340 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. Received shutdown request... [2021-03-25 00:27:27,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable220 [2021-03-25 00:27:27,303 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-25 00:27:27,305 WARN L224 ceAbstractionStarter]: Timeout [2021-03-25 00:27:27,306 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 12:27:27 BasicIcfg [2021-03-25 00:27:27,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 00:27:27,306 INFO L168 Benchmark]: Toolchain (without parser) took 872853.16 ms. Allocated memory was 255.9 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 237.1 MB in the beginning and 6.3 GB in the end (delta: -6.1 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2021-03-25 00:27:27,306 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 238.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 00:27:27,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.40 ms. Allocated memory is still 255.9 MB. Free memory was 237.0 MB in the beginning and 235.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 00:27:27,306 INFO L168 Benchmark]: Boogie Preprocessor took 16.52 ms. Allocated memory is still 255.9 MB. Free memory was 235.5 MB in the beginning and 234.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 00:27:27,306 INFO L168 Benchmark]: RCFGBuilder took 287.00 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 235.3 MB in the end (delta: -894.7 kB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. [2021-03-25 00:27:27,306 INFO L168 Benchmark]: TraceAbstraction took 872520.14 ms. Allocated memory was 255.9 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 234.8 MB in the beginning and 6.3 GB in the end (delta: -6.1 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. [2021-03-25 00:27:27,307 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 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 238.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.40 ms. Allocated memory is still 255.9 MB. Free memory was 237.0 MB in the beginning and 235.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.52 ms. Allocated memory is still 255.9 MB. Free memory was 235.5 MB in the beginning and 234.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 287.00 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 235.3 MB in the end (delta: -894.7 kB). Peak memory consumption was 20.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 872520.14 ms. Allocated memory was 255.9 MB in the beginning and 8.5 GB in the end (delta: 8.3 GB). Free memory was 234.8 MB in the beginning and 6.3 GB in the end (delta: -6.1 GB). Peak memory consumption was 6.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 294.0ms, 32 PlacesBefore, 27 PlacesAfterwards, 23 TransitionsBefore, 18 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 75, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 69, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 69, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 72, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 75, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 69, unknown conditional: 0, unknown unconditional: 69] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 85). Cancelled while CegarLoopForPetriNet was analyzing trace of length 23 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while ExplicitLhsPolynomialRelations was build 0 of 1 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 872408.0ms, OverallIterations: 38, TraceHistogramMax: 4, EmptinessCheckTime: 0.0ms, AutomataDifference: 45815.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 360.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 79 SDtfs, 16 SDslu, 0 SDs, 0 SdLazy, 5648 SolverSat, 1605 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3572.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1042 GetRequests, 493 SyntacticMatches, 27 SemanticMatches, 522 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1965 ImplicationChecksByTransitivity, 9104.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=98250occurred in iteration=37, InterpolantAutomatonStates: 438, 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: 216.9ms SsaConstructionTime, 654.1ms SatisfiabilityAnalysisTime, 11515.7ms InterpolantComputationTime, 1394 NumberOfCodeBlocks, 1394 NumberOfCodeBlocksAsserted, 118 NumberOfCheckSat, 1321 ConstructedInterpolants, 3 QuantifiedInterpolants, 22284 SizeOfPredicates, 180 NumberOfNonLiveVariables, 3426 ConjunctsInSsa, 923 ConjunctsInUnsatCore, 73 InterpolantComputations, 5 PerfectInterpolantSequences, 105/566 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