/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-RepeatedSemanticLbe.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 19:42:54,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 19:42:54,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 19:42:54,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 19:42:54,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 19:42:54,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 19:42:54,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 19:42:54,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 19:42:54,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 19:42:54,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 19:42:54,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 19:42:54,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 19:42:54,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 19:42:54,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 19:42:54,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 19:42:54,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 19:42:54,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 19:42:54,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 19:42:54,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 19:42:54,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 19:42:54,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 19:42:54,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 19:42:54,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 19:42:54,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 19:42:54,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 19:42:54,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 19:42:54,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 19:42:54,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 19:42:54,642 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-RepeatedSemanticLbe.epf [2021-03-25 19:42:54,668 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 19:42:54,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 19:42:54,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 19:42:54,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 19:42:54,671 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 19:42:54,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 19:42:54,671 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 19:42:54,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 19:42:54,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 19:42:54,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 19:42:54,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 19:42:54,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 19:42:54,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 19:42:54,672 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 19:42:54,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 19:42:54,673 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 19:42:54,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 19:42:54,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 19:42:54,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 19:42:54,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 19:42:54,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 19:42:54,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 19:42:54,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 19:42:54,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 19:42:54,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 19:42:54,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 19:42:54,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 19:42:54,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 19:42:54,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 19:42:54,674 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 19:42:54,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 19:42:54,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 19:42:54,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 19:42:54,954 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 19:42:54,955 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 19:42:54,956 INFO L432 ainManager$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 19:42:54,956 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 19:42:54,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 19:42:54,999 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 19:42:55,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 19:42:55,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 19:42:55,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 19:42:55,009 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 07:42:54" (1/1) ... [2021-03-25 19:42:55,015 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 07:42:54" (1/1) ... [2021-03-25 19:42:55,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 19:42:55,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 19:42:55,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 19:42:55,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 19:42:55,027 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 07:42:54" (1/1) ... [2021-03-25 19:42:55,028 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 07:42:54" (1/1) ... [2021-03-25 19:42:55,030 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 07:42:54" (1/1) ... [2021-03-25 19:42:55,030 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 07:42:54" (1/1) ... [2021-03-25 19:42:55,037 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 07:42:54" (1/1) ... [2021-03-25 19:42:55,040 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 07:42:54" (1/1) ... [2021-03-25 19:42:55,040 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 07:42:54" (1/1) ... [2021-03-25 19:42:55,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 19:42:55,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 19:42:55,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 19:42:55,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 19:42:55,047 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 07:42:54" (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 19:42:55,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-25 19:42:55,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-25 19:42:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-25 19:42:55,101 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-25 19:42:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-25 19:42:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-25 19:42:55,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 19:42:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 19:42:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 19:42:55,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-25 19:42:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-25 19:42:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-25 19:42:55,102 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-25 19:42:55,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-25 19:42:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-25 19:42:55,103 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 19:42:55,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 19:42:55,253 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-25 19:42:55,254 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-03-25 19:42:55,254 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-03-25 19:42:55,254 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-03-25 19:42:55,254 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-03-25 19:42:55,255 INFO L202 PluginConnector]: Adding new model parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 07:42:55 BoogieIcfgContainer [2021-03-25 19:42:55,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 19:42:55,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 19:42:55,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 19:42:55,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 19:42:55,258 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 07:42:54" (1/2) ... [2021-03-25 19:42:55,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c14b6f and model type parallel-sum-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 07:42:55, skipping insertion in model container [2021-03-25 19:42:55,259 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 07:42:55" (2/2) ... [2021-03-25 19:42:55,260 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1.wvr.bpl [2021-03-25 19:42:55,263 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 19:42:55,266 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 19:42:55,266 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 19:42:55,302 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 19:42:55,314 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 19:42:55,332 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 19:42:55,332 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 19:42:55,332 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 19:42:55,332 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 19:42:55,332 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 19:42:55,332 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 19:42:55,332 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 19:42:55,332 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 19:42:55,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 29 transitions, 90 flow [2021-03-25 19:42:55,355 INFO L129 PetriNetUnfolder]: 4/25 cut-off events. [2021-03-25 19:42:55,355 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 19:42:55,357 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 19:42:55,358 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 29 transitions, 90 flow [2021-03-25 19:42:55,360 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 23 transitions, 70 flow [2021-03-25 19:42:55,361 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:42:55,370 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 23 transitions, 70 flow [2021-03-25 19:42:55,372 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 23 transitions, 70 flow [2021-03-25 19:42:55,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 23 transitions, 70 flow [2021-03-25 19:42:55,381 INFO L129 PetriNetUnfolder]: 4/23 cut-off events. [2021-03-25 19:42:55,381 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 19:42:55,382 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 19:42:55,384 INFO L142 LiptonReduction]: Number of co-enabled transitions 180 [2021-03-25 19:42:55,578 INFO L154 LiptonReduction]: Checked pairs total: 96 [2021-03-25 19:42:55,579 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 19:42:55,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 219 [2021-03-25 19:42:55,589 INFO L129 PetriNetUnfolder]: 4/17 cut-off events. [2021-03-25 19:42:55,589 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 19:42:55,589 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:42:55,590 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:42:55,590 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:42:55,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:42:55,594 INFO L82 PathProgramCache]: Analyzing trace with hash -2009852297, now seen corresponding path program 1 times [2021-03-25 19:42:55,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:42:55,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737146609] [2021-03-25 19:42:55,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:42:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:55,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,682 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 19:42:55,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737146609] [2021-03-25 19:42:55,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 19:42:55,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-25 19:42:55,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036113806] [2021-03-25 19:42:55,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 19:42:55,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:42:55,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 19:42:55,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 19:42:55,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:42:55,700 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 19:42:55,700 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:42:55,700 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:42:55,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:42:55,719 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 19:42:55,720 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-25 19:42:55,720 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 19:42:55,720 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 19:42:55,720 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 19:42:55,725 INFO L129 PetriNetUnfolder]: 19/45 cut-off events. [2021-03-25 19:42:55,725 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-25 19:42:55,726 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 19:42:55,727 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 5 selfloop transitions, 5 changer transitions 0/22 dead transitions. [2021-03-25 19:42:55,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 22 transitions, 88 flow [2021-03-25 19:42:55,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 19:42:55,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 19:42:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2021-03-25 19:42:55,734 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7549019607843137 [2021-03-25 19:42:55,735 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 77 transitions. [2021-03-25 19:42:55,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 77 transitions. [2021-03-25 19:42:55,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:42:55,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 77 transitions. [2021-03-25 19:42:55,738 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 19:42:55,741 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 19:42:55,741 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 19:42:55,742 INFO L185 Difference]: Start difference. First operand has 27 places, 18 transitions, 60 flow. Second operand 3 states and 77 transitions. [2021-03-25 19:42:55,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 22 transitions, 88 flow [2021-03-25 19:42:55,745 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 19:42:55,746 INFO L241 Difference]: Finished difference. Result has 22 places, 22 transitions, 77 flow [2021-03-25 19:42:55,747 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 19:42:55,748 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, -5 predicate places. [2021-03-25 19:42:55,748 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:42:55,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 22 places, 22 transitions, 77 flow [2021-03-25 19:42:55,749 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 22 places, 22 transitions, 77 flow [2021-03-25 19:42:55,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 22 places, 22 transitions, 77 flow [2021-03-25 19:42:55,752 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][1], [18#L36true, 21#L79true, 9#L62true, 42#true, 10#L49true, 29#L23true, Black: 44#(= s2 s1)]) [2021-03-25 19:42:55,753 INFO L384 tUnfolder$Statistics]: this new event has 7 ancestors and is cut-off event [2021-03-25 19:42:55,753 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 19:42:55,753 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 19:42:55,753 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 19:42:55,755 INFO L129 PetriNetUnfolder]: 19/45 cut-off events. [2021-03-25 19:42:55,755 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 19:42:55,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 45 events. 19/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 52. Up to 22 conditions per place. [2021-03-25 19:42:55,756 INFO L142 LiptonReduction]: Number of co-enabled transitions 132 [2021-03-25 19:42:55,758 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:42:55,758 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:42:55,758 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 19:42:55,759 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 22 transitions, 77 flow [2021-03-25 19:42:55,759 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 19:42:55,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:42:55,759 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:42:55,759 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 19:42:55,759 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:42:55,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:42:55,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1820931043, now seen corresponding path program 1 times [2021-03-25 19:42:55,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:42:55,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130968434] [2021-03-25 19:42:55,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:42:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:55,799 INFO L142 QuantifierPusher]: treesize reduction 27, result has 27.0 percent of original size [2021-03-25 19:42:55,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:55,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:42:55,808 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 19:42:55,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130968434] [2021-03-25 19:42:55,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602907278] [2021-03-25 19:42:55,809 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 19:42:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:55,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-25 19:42:55,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:42:55,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:55,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:55,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:55,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:55,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:55,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:55,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:55,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:55,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:56,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:56,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:56,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:56,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:56,045 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 19:42:56,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 19:42:56,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2021-03-25 19:42:56,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653803947] [2021-03-25 19:42:56,060 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 19:42:56,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:42:56,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 19:42:56,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 19:42:56,062 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:42:56,062 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 19:42:56,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:42:56,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:42:56,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:42:56,084 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 19:42:56,085 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 19:42:56,085 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:56,085 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 19:42:56,085 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 19:42:56,086 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][26], [23#L81true, 9#L62true, 10#L49true, 42#true, 76#(<= (+ i2 1) i1), Black: 44#(= s2 s1)]) [2021-03-25 19:42:56,086 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 19:42:56,086 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 19:42:56,086 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:42:56,086 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:42:56,093 INFO L129 PetriNetUnfolder]: 34/72 cut-off events. [2021-03-25 19:42:56,093 INFO L130 PetriNetUnfolder]: For 11/21 co-relation queries the response was YES. [2021-03-25 19:42:56,093 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 19:42:56,094 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 7 selfloop transitions, 12 changer transitions 0/31 dead transitions. [2021-03-25 19:42:56,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 31 transitions, 151 flow [2021-03-25 19:42:56,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 19:42:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 19:42:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-03-25 19:42:56,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-03-25 19:42:56,097 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-03-25 19:42:56,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-03-25 19:42:56,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:42:56,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-03-25 19:42:56,100 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 19:42:56,101 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 19:42:56,101 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 19:42:56,102 INFO L185 Difference]: Start difference. First operand has 22 places, 22 transitions, 77 flow. Second operand 4 states and 104 transitions. [2021-03-25 19:42:56,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 31 transitions, 151 flow [2021-03-25 19:42:56,103 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 19:42:56,105 INFO L241 Difference]: Finished difference. Result has 27 places, 29 transitions, 160 flow [2021-03-25 19:42:56,105 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 19:42:56,105 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2021-03-25 19:42:56,106 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:42:56,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 29 transitions, 160 flow [2021-03-25 19:42:56,106 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 29 transitions, 160 flow [2021-03-25 19:42:56,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 29 transitions, 160 flow [2021-03-25 19:42:56,116 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][11], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 18#L36true, 21#L79true, 54#(<= i2 i1), 9#L62true, 10#L49true, 29#L23true, Black: 44#(= s2 s1)]) [2021-03-25 19:42:56,116 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 19:42:56,116 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 19:42:56,116 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:56,117 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-25 19:42:56,119 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][15], [Black: 54#(<= i2 i1), Black: 47#true, 23#L81true, 9#L62true, 10#L49true, 76#(<= (+ i2 1) i1), Black: 44#(= s2 s1)]) [2021-03-25 19:42:56,119 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 19:42:56,119 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:42:56,119 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 19:42:56,119 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:42:56,121 INFO L129 PetriNetUnfolder]: 34/72 cut-off events. [2021-03-25 19:42:56,121 INFO L130 PetriNetUnfolder]: For 34/54 co-relation queries the response was YES. [2021-03-25 19:42:56,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 72 events. 34/72 cut-off events. For 34/54 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 163 event pairs, 0 based on Foata normal form. 3/67 useless extension candidates. Maximal degree in co-relation 140. Up to 39 conditions per place. [2021-03-25 19:42:56,122 INFO L142 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-25 19:42:56,123 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:42:56,123 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:42:56,123 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-25 19:42:56,124 INFO L480 AbstractCegarLoop]: Abstraction has has 27 places, 29 transitions, 160 flow [2021-03-25 19:42:56,124 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 19:42:56,124 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:42:56,124 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:42:56,325 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-03-25 19:42:56,325 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:42:56,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:42:56,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1072818718, now seen corresponding path program 1 times [2021-03-25 19:42:56,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:42:56,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935259967] [2021-03-25 19:42:56,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:42:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:56,412 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 19:42:56,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,421 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-25 19:42:56,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:42:56,433 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-25 19:42:56,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,442 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 19:42:56,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935259967] [2021-03-25 19:42:56,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106702812] [2021-03-25 19:42:56,442 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 19:42:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:56,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-25 19:42:56,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:42:56,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:56,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,509 INFO L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-03-25 19:42:56,509 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-03-25 19:42:56,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:56,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:56,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:56,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:56,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:42:56,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:56,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:56,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:42:56,589 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,589 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 19:42:56,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:56,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:56,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:42:56,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:56,597 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:42:56,597 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:8 [2021-03-25 19:42:56,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:56,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:56,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:56,648 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 19:42:56,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:42:56,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-03-25 19:42:56,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784873265] [2021-03-25 19:42:56,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 19:42:56,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:42:56,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 19:42:56,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 19:42:56,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:42:56,649 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 19:42:56,649 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:42:56,649 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:42:56,650 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:42:56,732 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 19:42:56,732 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 19:42:56,732 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:56,732 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:56,733 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:56,737 INFO L129 PetriNetUnfolder]: 48/100 cut-off events. [2021-03-25 19:42:56,737 INFO L130 PetriNetUnfolder]: For 93/167 co-relation queries the response was YES. [2021-03-25 19:42:56,738 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 19:42:56,739 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 12 selfloop transitions, 13 changer transitions 0/37 dead transitions. [2021-03-25 19:42:56,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 37 transitions, 270 flow [2021-03-25 19:42:56,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 19:42:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 19:42:56,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2021-03-25 19:42:56,740 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6411764705882353 [2021-03-25 19:42:56,740 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 109 transitions. [2021-03-25 19:42:56,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 109 transitions. [2021-03-25 19:42:56,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:42:56,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 109 transitions. [2021-03-25 19:42:56,741 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 19:42:56,741 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 19:42:56,741 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 19:42:56,741 INFO L185 Difference]: Start difference. First operand has 27 places, 29 transitions, 160 flow. Second operand 5 states and 109 transitions. [2021-03-25 19:42:56,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 37 transitions, 270 flow [2021-03-25 19:42:56,742 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 19:42:56,743 INFO L241 Difference]: Finished difference. Result has 33 places, 37 transitions, 276 flow [2021-03-25 19:42:56,743 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 19:42:56,743 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2021-03-25 19:42:56,743 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:42:56,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 37 transitions, 276 flow [2021-03-25 19:42:56,744 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 37 transitions, 276 flow [2021-03-25 19:42:56,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 37 transitions, 276 flow [2021-03-25 19:42:56,748 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][15], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 18#L36true, 99#true, 21#L79true, 54#(<= i2 i1), 9#L62true, 10#L49true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 44#(= s2 s1)]) [2021-03-25 19:42:56,748 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 19:42:56,748 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:56,748 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:56,748 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:56,749 INFO L382 tUnfolder$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[][18], [Black: 54#(<= i2 i1), Black: 47#true, 99#true, 23#L81true, 9#L62true, 10#L49true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 76#(<= (+ i2 1) i1), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), Black: 44#(= s2 s1)]) [2021-03-25 19:42:56,749 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:42:56,749 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:42:56,749 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:42:56,749 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:42:56,750 INFO L129 PetriNetUnfolder]: 48/100 cut-off events. [2021-03-25 19:42:56,750 INFO L130 PetriNetUnfolder]: For 137/200 co-relation queries the response was YES. [2021-03-25 19:42:56,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 100 events. 48/100 cut-off events. For 137/200 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 284 event pairs, 0 based on Foata normal form. 4/91 useless extension candidates. Maximal degree in co-relation 268. Up to 55 conditions per place. [2021-03-25 19:42:56,752 INFO L142 LiptonReduction]: Number of co-enabled transitions 288 [2021-03-25 19:42:56,754 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:42:56,754 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:42:56,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-25 19:42:56,754 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 37 transitions, 276 flow [2021-03-25 19:42:56,754 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 19:42:56,755 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:42:56,755 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:42:56,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:42:56,968 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:42:56,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:42:56,968 INFO L82 PathProgramCache]: Analyzing trace with hash 289047368, now seen corresponding path program 1 times [2021-03-25 19:42:56,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:42:56,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928647248] [2021-03-25 19:42:56,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:42:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:56,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:56,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:56,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:42:56,985 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 19:42:56,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928647248] [2021-03-25 19:42:56,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407685549] [2021-03-25 19:42:56,986 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 19:42:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:57,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-25 19:42:57,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:42:57,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:57,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:57,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,094 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 19:42:57,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 19:42:57,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2021-03-25 19:42:57,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377136887] [2021-03-25 19:42:57,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 19:42:57,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:42:57,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 19:42:57,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 19:42:57,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:42:57,095 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 19:42:57,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:42:57,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:42:57,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:42:57,116 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][17], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 99#true, 9#L62true, 10#L49true, Black: 44#(= s2 s1), 18#L36true, 21#L79true, 54#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-25 19:42:57,116 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 19:42:57,116 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:57,116 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:57,116 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:57,122 INFO L129 PetriNetUnfolder]: 63/129 cut-off events. [2021-03-25 19:42:57,122 INFO L130 PetriNetUnfolder]: For 236/354 co-relation queries the response was YES. [2021-03-25 19:42:57,123 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 19:42:57,124 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 21 selfloop transitions, 13 changer transitions 0/46 dead transitions. [2021-03-25 19:42:57,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 46 transitions, 408 flow [2021-03-25 19:42:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 19:42:57,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 19:42:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2021-03-25 19:42:57,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-03-25 19:42:57,125 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 104 transitions. [2021-03-25 19:42:57,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 104 transitions. [2021-03-25 19:42:57,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:42:57,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 104 transitions. [2021-03-25 19:42:57,125 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 19:42:57,126 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 19:42:57,126 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 19:42:57,126 INFO L185 Difference]: Start difference. First operand has 33 places, 37 transitions, 276 flow. Second operand 4 states and 104 transitions. [2021-03-25 19:42:57,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 46 transitions, 408 flow [2021-03-25 19:42:57,128 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 19:42:57,129 INFO L241 Difference]: Finished difference. Result has 37 places, 44 transitions, 358 flow [2021-03-25 19:42:57,129 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 19:42:57,129 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 10 predicate places. [2021-03-25 19:42:57,129 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:42:57,129 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 44 transitions, 358 flow [2021-03-25 19:42:57,129 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 44 transitions, 358 flow [2021-03-25 19:42:57,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 44 transitions, 358 flow [2021-03-25 19:42:57,134 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][21], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, 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 19:42:57,134 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-25 19:42:57,134 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:57,134 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:57,134 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:57,135 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][25], [Black: 54#(<= i2 i1), Black: 184#(<= (+ i1 1) i2), Black: 47#true, 23#L81true, 9#L62true, 10#L49true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 76#(<= (+ i2 1) i1), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 44#(= s2 s1), Black: 165#(<= i1 i2)]) [2021-03-25 19:42:57,135 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:42:57,135 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:42:57,136 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:42:57,136 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:42:57,137 INFO L129 PetriNetUnfolder]: 63/128 cut-off events. [2021-03-25 19:42:57,137 INFO L130 PetriNetUnfolder]: For 243/278 co-relation queries the response was YES. [2021-03-25 19:42:57,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 128 events. 63/128 cut-off events. For 243/278 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 391 event pairs, 0 based on Foata normal form. 6/118 useless extension candidates. Maximal degree in co-relation 346. Up to 56 conditions per place. [2021-03-25 19:42:57,139 INFO L142 LiptonReduction]: Number of co-enabled transitions 348 [2021-03-25 19:42:57,141 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:42:57,141 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:42:57,142 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-25 19:42:57,142 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 44 transitions, 358 flow [2021-03-25 19:42:57,142 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 19:42:57,142 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:42:57,142 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:42:57,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:42:57,358 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:42:57,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:42:57,359 INFO L82 PathProgramCache]: Analyzing trace with hash -49761702, now seen corresponding path program 2 times [2021-03-25 19:42:57,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:42:57,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132222803] [2021-03-25 19:42:57,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:42:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:57,377 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 19:42:57,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:57,381 INFO L142 QuantifierPusher]: treesize reduction 27, result has 12.9 percent of original size [2021-03-25 19:42:57,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:42:57,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:42:57,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:42:57,388 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 19:42:57,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132222803] [2021-03-25 19:42:57,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530560941] [2021-03-25 19:42:57,388 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 19:42:57,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 19:42:57,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:42:57,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 19:42:57,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:42:57,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:57,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:57,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:57,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:57,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:57,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:57,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:57,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:57,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:42:57,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:57,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:42:57,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,489 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 19:42:57,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:42:57,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2021-03-25 19:42:57,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692868084] [2021-03-25 19:42:57,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:42:57,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:42:57,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:42:57,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:42:57,490 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 19:42:57,491 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 19:42:57,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:42:57,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 19:42:57,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:42:57,565 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 19:42:57,566 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:42:57,566 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:57,566 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:57,566 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:42:57,568 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([99] thread2EXIT-->L81: Formula: (and (= 2 v_thread2Thread1of1ForFork1_thidvar0_4) (= 2 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][50], [Black: 54#(<= i2 i1), Black: 47#true, 9#L62true, 10#L49true, 76#(<= (+ i2 1) i1), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 23#L81true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true]) [2021-03-25 19:42:57,568 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:42:57,568 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:42:57,568 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:42:57,568 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:42:57,587 INFO L129 PetriNetUnfolder]: 121/240 cut-off events. [2021-03-25 19:42:57,587 INFO L130 PetriNetUnfolder]: For 548/668 co-relation queries the response was YES. [2021-03-25 19:42:57,588 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 19:42:57,590 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 12 selfloop transitions, 52 changer transitions 0/76 dead transitions. [2021-03-25 19:42:57,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 76 transitions, 802 flow [2021-03-25 19:42:57,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 19:42:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 19:42:57,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 238 transitions. [2021-03-25 19:42:57,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7 [2021-03-25 19:42:57,592 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 238 transitions. [2021-03-25 19:42:57,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 238 transitions. [2021-03-25 19:42:57,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:42:57,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 238 transitions. [2021-03-25 19:42:57,593 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 19:42:57,593 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 19:42:57,594 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 19:42:57,594 INFO L185 Difference]: Start difference. First operand has 37 places, 44 transitions, 358 flow. Second operand 10 states and 238 transitions. [2021-03-25 19:42:57,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 76 transitions, 802 flow [2021-03-25 19:42:57,597 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 19:42:57,598 INFO L241 Difference]: Finished difference. Result has 49 places, 74 transitions, 807 flow [2021-03-25 19:42:57,598 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 19:42:57,598 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 22 predicate places. [2021-03-25 19:42:57,598 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:42:57,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 74 transitions, 807 flow [2021-03-25 19:42:57,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 74 transitions, 807 flow [2021-03-25 19:42:57,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 74 transitions, 807 flow [2021-03-25 19:42:57,608 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][41], [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))), 21#L79true, Black: 218#(<= i2 i1), 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 19:42:57,609 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:42:57,609 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:57,609 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:42:57,609 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:57,610 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([98] thread1EXIT-->L80: Formula: (= v_thread1Thread1of1ForFork0_thidvar0_4 1) InVars {thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} OutVars{thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][59], [Black: 54#(<= i2 i1), Black: 47#true, 5#L80true, 9#L62true, 10#L49true, 76#(<= (+ i2 1) i1), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), 18#L36true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true]) [2021-03-25 19:42:57,610 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:42:57,610 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:42:57,610 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:57,610 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:57,614 INFO L129 PetriNetUnfolder]: 120/240 cut-off events. [2021-03-25 19:42:57,615 INFO L130 PetriNetUnfolder]: For 530/580 co-relation queries the response was YES. [2021-03-25 19:42:57,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 984 conditions, 240 events. 120/240 cut-off events. For 530/580 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 958 event pairs, 0 based on Foata normal form. 7/228 useless extension candidates. Maximal degree in co-relation 854. Up to 122 conditions per place. [2021-03-25 19:42:57,618 INFO L142 LiptonReduction]: Number of co-enabled transitions 648 [2021-03-25 19:42:57,624 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:42:57,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:42:57,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-25 19:42:57,625 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 74 transitions, 807 flow [2021-03-25 19:42:57,625 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 19:42:57,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:42:57,625 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 19:42:57,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:42:57,843 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:42:57,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:42:57,843 INFO L82 PathProgramCache]: Analyzing trace with hash 497726725, now seen corresponding path program 1 times [2021-03-25 19:42:57,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:42:57,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902099877] [2021-03-25 19:42:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:42:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:57,859 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 19:42:57,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:57,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:57,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:42:57,877 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 19:42:57,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902099877] [2021-03-25 19:42:57,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581697713] [2021-03-25 19:42:57,878 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 19:42:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:57,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-25 19:42:57,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:42:57,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:57,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:57,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:57,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:57,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,922 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:57,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:57,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:42:57,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:57,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:42:57,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:57,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:57,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:57,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:57,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:57,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:57,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:57,970 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 19:42:57,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 19:42:57,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 7 [2021-03-25 19:42:57,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344987193] [2021-03-25 19:42:57,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 19:42:57,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:42:57,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 19:42:57,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:42:57,971 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:42:57,971 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 19:42:57,971 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:42:57,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:42:57,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:42:58,020 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 19:42:58,020 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:42:58,020 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:58,021 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:42:58,021 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:58,030 INFO L129 PetriNetUnfolder]: 144/289 cut-off events. [2021-03-25 19:42:58,030 INFO L130 PetriNetUnfolder]: For 840/946 co-relation queries the response was YES. [2021-03-25 19:42:58,031 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 19:42:58,034 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 30 selfloop transitions, 48 changer transitions 0/90 dead transitions. [2021-03-25 19:42:58,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 90 transitions, 1161 flow [2021-03-25 19:42:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 19:42:58,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 19:42:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 131 transitions. [2021-03-25 19:42:58,035 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7705882352941177 [2021-03-25 19:42:58,035 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 131 transitions. [2021-03-25 19:42:58,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 131 transitions. [2021-03-25 19:42:58,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:42:58,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 131 transitions. [2021-03-25 19:42:58,035 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 19:42:58,036 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 19:42:58,036 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 19:42:58,036 INFO L185 Difference]: Start difference. First operand has 49 places, 74 transitions, 807 flow. Second operand 5 states and 131 transitions. [2021-03-25 19:42:58,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 90 transitions, 1161 flow [2021-03-25 19:42:58,040 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 19:42:58,041 INFO L241 Difference]: Finished difference. Result has 54 places, 88 transitions, 1005 flow [2021-03-25 19:42:58,041 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 19:42:58,042 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 27 predicate places. [2021-03-25 19:42:58,042 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:42:58,042 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 88 transitions, 1005 flow [2021-03-25 19:42:58,042 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 88 transitions, 1005 flow [2021-03-25 19:42:58,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 88 transitions, 1005 flow [2021-03-25 19:42:58,051 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][8], [Black: 76#(<= (+ i2 1) i1), Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 54#(<= i2 i1), 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true]) [2021-03-25 19:42:58,051 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:42:58,051 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:58,051 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:58,051 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:42:58,057 INFO L129 PetriNetUnfolder]: 141/282 cut-off events. [2021-03-25 19:42:58,057 INFO L130 PetriNetUnfolder]: For 889/936 co-relation queries the response was YES. [2021-03-25 19:42:58,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1196 conditions, 282 events. 141/282 cut-off events. For 889/936 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1217 event pairs, 0 based on Foata normal form. 7/265 useless extension candidates. Maximal degree in co-relation 1040. Up to 81 conditions per place. [2021-03-25 19:42:58,060 INFO L142 LiptonReduction]: Number of co-enabled transitions 768 [2021-03-25 19:42:58,068 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:42:58,068 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:42:58,068 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-25 19:42:58,068 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 88 transitions, 1005 flow [2021-03-25 19:42:58,068 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 19:42:58,068 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:42:58,068 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:42:58,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-25 19:42:58,284 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:42:58,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:42:58,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1280353494, now seen corresponding path program 3 times [2021-03-25 19:42:58,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:42:58,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711361852] [2021-03-25 19:42:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:42:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:58,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:58,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:58,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:42:58,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:42:58,308 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 19:42:58,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711361852] [2021-03-25 19:42:58,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793691530] [2021-03-25 19:42:58,308 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 19:42:58,332 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-25 19:42:58,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:42:58,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 19:42:58,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:42:58,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:58,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:58,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:58,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:58,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:58,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:58,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:58,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:42:58,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:58,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:42:58,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:58,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:58,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:42:58,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:58,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:58,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:42:58,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,361 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:58,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:58,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:58,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:58,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:58,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:42:58,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,387 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 19:42:58,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:42:58,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2021-03-25 19:42:58,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465914387] [2021-03-25 19:42:58,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:42:58,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:42:58,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:42:58,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:42:58,388 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:42:58,388 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 19:42:58,388 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:42:58,388 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:42:58,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:42:58,458 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 19:42:58,458 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:42:58,458 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:58,458 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:58,458 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:42:58,476 INFO L129 PetriNetUnfolder]: 201/394 cut-off events. [2021-03-25 19:42:58,476 INFO L130 PetriNetUnfolder]: For 1562/1715 co-relation queries the response was YES. [2021-03-25 19:42:58,478 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 19:42:58,480 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 28 selfloop transitions, 81 changer transitions 0/121 dead transitions. [2021-03-25 19:42:58,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 121 transitions, 1669 flow [2021-03-25 19:42:58,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:42:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:42:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 236 transitions. [2021-03-25 19:42:58,481 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7712418300653595 [2021-03-25 19:42:58,481 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 236 transitions. [2021-03-25 19:42:58,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 236 transitions. [2021-03-25 19:42:58,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:42:58,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 236 transitions. [2021-03-25 19:42:58,482 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 19:42:58,482 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 19:42:58,483 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 19:42:58,483 INFO L185 Difference]: Start difference. First operand has 54 places, 88 transitions, 1005 flow. Second operand 9 states and 236 transitions. [2021-03-25 19:42:58,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 121 transitions, 1669 flow [2021-03-25 19:42:58,488 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 19:42:58,489 INFO L241 Difference]: Finished difference. Result has 64 places, 117 transitions, 1579 flow [2021-03-25 19:42:58,490 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 19:42:58,490 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 37 predicate places. [2021-03-25 19:42:58,490 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:42:58,490 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 117 transitions, 1579 flow [2021-03-25 19:42:58,490 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 117 transitions, 1579 flow [2021-03-25 19:42:58,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 117 transitions, 1579 flow [2021-03-25 19:42:58,503 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][101], [Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 54#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-25 19:42:58,503 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:42:58,504 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:58,504 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:58,504 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:42:58,506 INFO L382 tUnfolder$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[][107], [Black: 54#(<= i2 i1), Black: 47#true, 5#L80true, 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: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), Black: 348#(<= i2 i1), Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) 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)), 158#true]) [2021-03-25 19:42:58,506 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:42:58,506 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:58,506 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:42:58,506 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:58,512 INFO L129 PetriNetUnfolder]: 197/392 cut-off events. [2021-03-25 19:42:58,512 INFO L130 PetriNetUnfolder]: For 1519/1565 co-relation queries the response was YES. [2021-03-25 19:42:58,513 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1878 conditions, 392 events. 197/392 cut-off events. For 1519/1565 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1880 event pairs, 0 based on Foata normal form. 4/369 useless extension candidates. Maximal degree in co-relation 1652. Up to 115 conditions per place. [2021-03-25 19:42:58,516 INFO L142 LiptonReduction]: Number of co-enabled transitions 1044 [2021-03-25 19:42:58,528 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:42:58,528 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:42:58,528 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-25 19:42:58,529 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 117 transitions, 1579 flow [2021-03-25 19:42:58,529 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 19:42:58,529 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:42:58,529 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:42:58,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:42:58,744 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:42:58,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:42:58,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1163697322, now seen corresponding path program 4 times [2021-03-25 19:42:58,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:42:58,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072239847] [2021-03-25 19:42:58,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:42:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:58,779 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 19:42:58,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:42:58,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:42:58,808 INFO L142 QuantifierPusher]: treesize reduction 11, result has 56.0 percent of original size [2021-03-25 19:42:58,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:58,817 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 19:42:58,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072239847] [2021-03-25 19:42:58,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747977770] [2021-03-25 19:42:58,817 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 19:42:58,841 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 19:42:58,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:42:58,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-25 19:42:58,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:42:58,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:58,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,864 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-25 19:42:58,864 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-25 19:42:58,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:42:58,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:42:58,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:42:58,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,878 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size 32 [2021-03-25 19:42:58,878 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 19:42:58,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:58,879 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-25 19:42:58,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:58,880 INFO L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-03-25 19:42:58,880 INFO L142 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-03-25 19:42:58,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:58,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:58,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:42:58,884 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 19:42:58,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:42:58,885 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-25 19:42:58,889 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,889 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-25 19:42:58,889 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:10 [2021-03-25 19:42:58,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:58,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:42:58,918 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 19:42:58,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:42:58,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-03-25 19:42:58,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485257233] [2021-03-25 19:42:58,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 19:42:58,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:42:58,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 19:42:58,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-25 19:42:58,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:42:58,919 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 19:42:58,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:42:58,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:42:58,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:42:58,994 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][18], [Black: 47#true, 9#L62true, 10#L49true, 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 44#(= s2 s1), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 54#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true]) [2021-03-25 19:42:58,994 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:42:58,994 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:58,994 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:42:58,994 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:59,003 INFO L382 tUnfolder$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: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), 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 19:42:59,003 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:42:59,003 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:42:59,003 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:42:59,004 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:42:59,013 INFO L129 PetriNetUnfolder]: 235/464 cut-off events. [2021-03-25 19:42:59,013 INFO L130 PetriNetUnfolder]: For 1779/1866 co-relation queries the response was YES. [2021-03-25 19:42:59,015 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 19:42:59,037 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 92 selfloop transitions, 33 changer transitions 0/137 dead transitions. [2021-03-25 19:42:59,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 137 transitions, 2089 flow [2021-03-25 19:42:59,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 19:42:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 19:42:59,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 154 transitions. [2021-03-25 19:42:59,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6470588235294118 [2021-03-25 19:42:59,038 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 154 transitions. [2021-03-25 19:42:59,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 154 transitions. [2021-03-25 19:42:59,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:42:59,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 154 transitions. [2021-03-25 19:42:59,039 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 19:42:59,039 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 19:42:59,039 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 19:42:59,039 INFO L185 Difference]: Start difference. First operand has 64 places, 117 transitions, 1579 flow. Second operand 7 states and 154 transitions. [2021-03-25 19:42:59,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 137 transitions, 2089 flow [2021-03-25 19:42:59,046 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 19:42:59,048 INFO L241 Difference]: Finished difference. Result has 71 places, 137 transitions, 1882 flow [2021-03-25 19:42:59,048 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 19:42:59,048 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 44 predicate places. [2021-03-25 19:42:59,048 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:42:59,048 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 137 transitions, 1882 flow [2021-03-25 19:42:59,049 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 137 transitions, 1882 flow [2021-03-25 19:42:59,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 137 transitions, 1882 flow [2021-03-25 19:42:59,066 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][112], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 218#(<= i2 i1), 21#L79true, 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 19:42:59,066 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:42:59,066 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:59,067 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:42:59,067 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-25 19:42:59,072 INFO L382 tUnfolder$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[][116], [5#L80true, 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: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), 18#L36true, 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, 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 19:42:59,072 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:42:59,072 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:59,072 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:42:59,073 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:59,080 INFO L129 PetriNetUnfolder]: 232/462 cut-off events. [2021-03-25 19:42:59,081 INFO L130 PetriNetUnfolder]: For 1766/1803 co-relation queries the response was YES. [2021-03-25 19:42:59,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2227 conditions, 462 events. 232/462 cut-off events. For 1766/1803 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2308 event pairs, 0 based on Foata normal form. 4/438 useless extension candidates. Maximal degree in co-relation 1988. Up to 105 conditions per place. [2021-03-25 19:42:59,086 INFO L142 LiptonReduction]: Number of co-enabled transitions 1254 [2021-03-25 19:42:59,103 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:42:59,103 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:42:59,103 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-25 19:42:59,104 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 137 transitions, 1882 flow [2021-03-25 19:42:59,104 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 19:42:59,104 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:42:59,104 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 19:42:59,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:42:59,319 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:42:59,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:42:59,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1270276865, now seen corresponding path program 5 times [2021-03-25 19:42:59,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:42:59,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269963705] [2021-03-25 19:42:59,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:42:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:42:59,376 INFO L142 QuantifierPusher]: treesize reduction 37, result has 43.1 percent of original size [2021-03-25 19:42:59,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:42:59,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:42:59,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,412 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-25 19:42:59,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:42:59,435 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 19:42:59,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,444 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 19:42:59,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269963705] [2021-03-25 19:42:59,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570380116] [2021-03-25 19:42:59,444 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 19:42:59,470 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-25 19:42:59,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:42:59,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-25 19:42:59,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:42:59,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:59,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:59,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:59,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:59,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:59,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:59,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:59,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:42:59,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:42:59,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,486 INFO L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-03-25 19:42:59,487 INFO L142 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-03-25 19:42:59,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:42:59,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,502 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-25 19:42:59,502 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-25 19:42:59,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:59,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:59,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:42:59,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,513 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 19:42:59,514 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:42:59,516 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-25 19:42:59,516 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-25 19:42:59,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:42:59,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:42:59,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,531 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-25 19:42:59,531 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-25 19:42:59,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:59,539 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:42:59,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:42:59,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:42:59,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:59,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:42:59,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:42:59,553 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,553 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 19:42:59,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,557 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:42:59,560 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:42:59,562 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.1 percent of original size [2021-03-25 19:42:59,565 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-25 19:42:59,567 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-25 19:42:59,567 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-25 19:42:59,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:42:59,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,584 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:42:59,584 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:52 [2021-03-25 19:42:59,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:42:59,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:42:59,658 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 19:42:59,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:42:59,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 19:42:59,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993322262] [2021-03-25 19:42:59,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 19:42:59,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:42:59,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 19:42:59,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-03-25 19:42:59,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:42:59,661 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 19:42:59,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:42:59,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:42:59,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:42:59,762 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][22], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 19:42:59,762 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:42:59,762 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:59,762 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:59,762 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:42:59,778 INFO L382 tUnfolder$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 19:42:59,778 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:42:59,778 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:42:59,778 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:42:59,778 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:42:59,788 INFO L129 PetriNetUnfolder]: 256/507 cut-off events. [2021-03-25 19:42:59,788 INFO L130 PetriNetUnfolder]: For 2008/2134 co-relation queries the response was YES. [2021-03-25 19:42:59,790 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 19:42:59,793 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 108 selfloop transitions, 29 changer transitions 0/149 dead transitions. [2021-03-25 19:42:59,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 149 transitions, 2348 flow [2021-03-25 19:42:59,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 19:42:59,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 19:42:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 175 transitions. [2021-03-25 19:42:59,794 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6433823529411765 [2021-03-25 19:42:59,794 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 175 transitions. [2021-03-25 19:42:59,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 175 transitions. [2021-03-25 19:42:59,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:42:59,794 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 175 transitions. [2021-03-25 19:42:59,794 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 19:42:59,795 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 19:42:59,795 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 19:42:59,795 INFO L185 Difference]: Start difference. First operand has 71 places, 137 transitions, 1882 flow. Second operand 8 states and 175 transitions. [2021-03-25 19:42:59,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 149 transitions, 2348 flow [2021-03-25 19:42:59,803 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 19:42:59,807 INFO L241 Difference]: Finished difference. Result has 78 places, 149 transitions, 2165 flow [2021-03-25 19:42:59,807 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 19:42:59,807 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 51 predicate places. [2021-03-25 19:42:59,807 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:42:59,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 149 transitions, 2165 flow [2021-03-25 19:42:59,807 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 149 transitions, 2165 flow [2021-03-25 19:42:59,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 149 transitions, 2165 flow [2021-03-25 19:42:59,825 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][6], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 279#true, Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 348#(<= i2 i1), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 19:42:59,825 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:42:59,825 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:42:59,825 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:59,825 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:42:59,831 INFO L382 tUnfolder$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[][126], [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)), 462#true, 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 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: 348#(<= i2 i1), 18#L36true, 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, 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 19:42:59,831 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 19:42:59,831 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:42:59,831 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 19:42:59,831 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:42:59,840 INFO L129 PetriNetUnfolder]: 251/500 cut-off events. [2021-03-25 19:42:59,840 INFO L130 PetriNetUnfolder]: For 2011/2053 co-relation queries the response was YES. [2021-03-25 19:42:59,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2559 conditions, 500 events. 251/500 cut-off events. For 2011/2053 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2573 event pairs, 0 based on Foata normal form. 5/475 useless extension candidates. Maximal degree in co-relation 2308. Up to 117 conditions per place. [2021-03-25 19:42:59,845 INFO L142 LiptonReduction]: Number of co-enabled transitions 1386 [2021-03-25 19:42:59,862 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:42:59,862 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:42:59,862 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-25 19:42:59,862 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 149 transitions, 2165 flow [2021-03-25 19:42:59,863 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 19:42:59,863 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:42:59,863 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 19:43:00,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-03-25 19:43:00,079 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:00,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:00,079 INFO L82 PathProgramCache]: Analyzing trace with hash 652897947, now seen corresponding path program 1 times [2021-03-25 19:43:00,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:00,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413912046] [2021-03-25 19:43:00,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:00,146 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-25 19:43:00,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,154 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-03-25 19:43:00,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:00,163 INFO L142 QuantifierPusher]: treesize reduction 40, result has 57.9 percent of original size [2021-03-25 19:43:00,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 19:43:00,182 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-03-25 19:43:00,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:00,192 INFO L142 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size [2021-03-25 19:43:00,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:00,206 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 19:43:00,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413912046] [2021-03-25 19:43:00,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807811269] [2021-03-25 19:43:00,206 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 19:43:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:00,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-25 19:43:00,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:00,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,244 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-25 19:43:00,247 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-25 19:43:00,248 INFO L147 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size 12 [2021-03-25 19:43:00,248 INFO L142 QuantifierPusher]: treesize reduction 2, result has 85.7 percent of original size [2021-03-25 19:43:00,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,263 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-03-25 19:43:00,263 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-03-25 19:43:00,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:00,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:00,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:00,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,273 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 19:43:00,274 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:43:00,274 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-25 19:43:00,275 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-25 19:43:00,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:00,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:00,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:00,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:00,303 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:43:00,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:00,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:00,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:00,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:00,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:00,317 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,318 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 19:43:00,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,319 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:00,319 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:00,320 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.3 percent of original size [2021-03-25 19:43:00,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,325 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:00,338 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:00,339 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:54 [2021-03-25 19:43:00,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:00,389 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 19:43:00,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:00,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 19:43:00,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835297394] [2021-03-25 19:43:00,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 19:43:00,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:00,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 19:43:00,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-25 19:43:00,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:00,390 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 19:43:00,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:00,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:00,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:00,516 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][25], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), 462#true, Black: 165#(<= i1 i2), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), Black: 288#(<= i1 i2), Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), 529#true, Black: 301#(<= i1 (+ i2 1)), 18#L36true, 403#true, Black: 214#(not (= i1 (+ i2 1))), 21#L79true, Black: 218#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 19:43:00,516 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:43:00,516 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:00,516 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:00,516 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:00,531 INFO L382 tUnfolder$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: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), 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 19:43:00,532 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:00,532 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:00,532 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:00,532 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:00,541 INFO L129 PetriNetUnfolder]: 270/534 cut-off events. [2021-03-25 19:43:00,542 INFO L130 PetriNetUnfolder]: For 2339/2569 co-relation queries the response was YES. [2021-03-25 19:43:00,543 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 19:43:00,547 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 112 selfloop transitions, 33 changer transitions 0/157 dead transitions. [2021-03-25 19:43:00,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 157 transitions, 2553 flow [2021-03-25 19:43:00,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:43:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:43:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 197 transitions. [2021-03-25 19:43:00,548 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6437908496732027 [2021-03-25 19:43:00,548 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 197 transitions. [2021-03-25 19:43:00,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 197 transitions. [2021-03-25 19:43:00,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:00,548 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 197 transitions. [2021-03-25 19:43:00,549 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 19:43:00,549 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 19:43:00,549 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 19:43:00,549 INFO L185 Difference]: Start difference. First operand has 78 places, 149 transitions, 2165 flow. Second operand 9 states and 197 transitions. [2021-03-25 19:43:00,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 157 transitions, 2553 flow [2021-03-25 19:43:00,558 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 19:43:00,560 INFO L241 Difference]: Finished difference. Result has 84 places, 157 transitions, 2299 flow [2021-03-25 19:43:00,561 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 19:43:00,561 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 57 predicate places. [2021-03-25 19:43:00,561 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:00,561 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 157 transitions, 2299 flow [2021-03-25 19:43:00,561 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 157 transitions, 2299 flow [2021-03-25 19:43:00,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 157 transitions, 2299 flow [2021-03-25 19:43:00,578 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][3], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), 529#true, Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), 21#L79true, Black: 218#(<= i2 i1), 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), 29#L23true, Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 19:43:00,578 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:43:00,578 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:00,578 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:00,578 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:00,583 INFO L382 tUnfolder$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[][139], [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: 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), 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), Black: 268#(and (< i2 n) (<= (+ i2 1) 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)), 158#true, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-25 19:43:00,583 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:00,583 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:00,583 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:00,583 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:00,591 INFO L129 PetriNetUnfolder]: 263/523 cut-off events. [2021-03-25 19:43:00,591 INFO L130 PetriNetUnfolder]: For 2222/2301 co-relation queries the response was YES. [2021-03-25 19:43:00,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2703 conditions, 523 events. 263/523 cut-off events. For 2222/2301 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2727 event pairs, 0 based on Foata normal form. 5/496 useless extension candidates. Maximal degree in co-relation 2446. Up to 125 conditions per place. [2021-03-25 19:43:00,600 INFO L142 LiptonReduction]: Number of co-enabled transitions 1470 [2021-03-25 19:43:00,607 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:00,607 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:00,607 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-25 19:43:00,608 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 157 transitions, 2299 flow [2021-03-25 19:43:00,608 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 19:43:00,608 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:00,608 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 19:43:00,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:00,823 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:00,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:00,824 INFO L82 PathProgramCache]: Analyzing trace with hash -908585765, now seen corresponding path program 2 times [2021-03-25 19:43:00,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:00,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578610223] [2021-03-25 19:43:00,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:00,880 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 19:43:00,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:00,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,891 INFO L147 QuantifierPusher]: treesize reduction 13, result has 60.6 percent of original size 20 [2021-03-25 19:43:00,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:00,917 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 19:43:00,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:00,925 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 19:43:00,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578610223] [2021-03-25 19:43:00,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593540086] [2021-03-25 19:43:00,925 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 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 19:43:00,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 19:43:00,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:00,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-25 19:43:00,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:00,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:00,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:00,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:00,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:00,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:00,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:00,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:00,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,988 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 19:43:00,989 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:43:00,989 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size 15 [2021-03-25 19:43:00,990 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.2 percent of original size [2021-03-25 19:43:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:00,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:00,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:00,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:00,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:01,003 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:43:01,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:01,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:01,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:01,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:01,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:01,015 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,016 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 19:43:01,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,017 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:01,019 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:01,020 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.3 percent of original size [2021-03-25 19:43:01,021 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 56 [2021-03-25 19:43:01,022 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 56 [2021-03-25 19:43:01,023 INFO L142 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size [2021-03-25 19:43:01,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,023 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:01,039 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:01,042 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:56 [2021-03-25 19:43:01,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:01,093 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 19:43:01,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:01,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 19:43:01,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156721015] [2021-03-25 19:43:01,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 19:43:01,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:01,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 19:43:01,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-25 19:43:01,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:01,095 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 19:43:01,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:01,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:01,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:01,239 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([103] L62-->L62: Formula: (and (= v_s2_15 (+ v_s2_16 v_t22_9)) (= (+ v_i2_36 1) v_i2_35) (< v_i2_36 v_n_20) (= (select v_x_21 v_i2_35) v_t22_9)) InVars {s2=v_s2_16, n=v_n_20, x=v_x_21, i2=v_i2_36} OutVars{s2=v_s2_15, n=v_n_20, t22=v_t22_9, x=v_x_21, i2=v_i2_35} AuxVars[] AssignedVars[s2, t22, i2][22], [9#L62true, 10#L49true, Black: 407#(or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 457#(and (or (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))) (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)), 268#(and (< i2 n) (<= (+ i2 1) i1)), Black: 428#(and (= i2 1) (= s2 s1) (= i1 1)), Black: 496#(or (and (not (= i2 1)) (or (not (= i1 1)) (= (mod s1 (- 2)) 0)) (or (= s2 s1) (not (= i2 i1)))) (and (or (not (= i1 1)) (= (+ s1 (* 2 (div s2 (- 2)))) 0)) (or (= s2 s1) (not (= i2 i1))) (= (mod s2 (- 2)) 0))), Black: 165#(<= i1 i2), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), Black: 184#(<= (+ i1 1) i2), 529#true, Black: 396#(and (not (= i2 i1)) (<= i2 i1) (< i2 n)), Black: 288#(<= i1 i2), 18#L36true, Black: 301#(<= i1 (+ i2 1)), 403#true, Black: 214#(not (= i1 (+ i2 1))), Black: 568#(and (= (+ (select x 1) (select x i2)) s2) (= (select x 1) s1)), 21#L79true, Black: 572#(or (and (or (not (= i2 1)) (= (+ s2 (* 2 (div s1 2))) (* 2 s1))) (= (mod s1 2) 0) (or (= s2 s1) (not (= i2 i1)))) (and (not (= i1 1)) (or (not (= i2 1)) (= 0 (mod s2 2))) (or (= s2 s1) (not (= i2 i1))))), Black: 218#(<= i2 i1), 598#true, 279#true, 348#(<= i2 i1), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 i1))), Black: 154#(and (= s2 i2) (<= (+ (select x i1) i2) s1) (<= s1 (+ (select x i1) i2)) (= s2 0)), 29#L23true, 158#true, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 19:43:01,240 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:43:01,240 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:01,240 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:01,240 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:01,264 INFO L382 tUnfolder$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 19:43:01,264 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:01,265 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:01,265 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:01,265 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:01,276 INFO L129 PetriNetUnfolder]: 277/549 cut-off events. [2021-03-25 19:43:01,276 INFO L130 PetriNetUnfolder]: For 2501/2646 co-relation queries the response was YES. [2021-03-25 19:43:01,278 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 19:43:01,281 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 116 selfloop transitions, 33 changer transitions 0/161 dead transitions. [2021-03-25 19:43:01,281 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 161 transitions, 2667 flow [2021-03-25 19:43:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:43:01,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:43:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 197 transitions. [2021-03-25 19:43:01,282 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6437908496732027 [2021-03-25 19:43:01,282 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 197 transitions. [2021-03-25 19:43:01,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 197 transitions. [2021-03-25 19:43:01,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:01,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 197 transitions. [2021-03-25 19:43:01,283 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 19:43:01,284 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 19:43:01,284 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 19:43:01,284 INFO L185 Difference]: Start difference. First operand has 84 places, 157 transitions, 2299 flow. Second operand 9 states and 197 transitions. [2021-03-25 19:43:01,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 161 transitions, 2667 flow [2021-03-25 19:43:01,293 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 19:43:01,295 INFO L241 Difference]: Finished difference. Result has 87 places, 161 transitions, 2377 flow [2021-03-25 19:43:01,295 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 19:43:01,295 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 60 predicate places. [2021-03-25 19:43:01,296 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:01,296 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 161 transitions, 2377 flow [2021-03-25 19:43:01,296 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 161 transitions, 2377 flow [2021-03-25 19:43:01,297 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 161 transitions, 2377 flow [2021-03-25 19:43:01,311 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][6], [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: 184#(<= (+ i1 1) i2), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 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)), 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)))), 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 19:43:01,311 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:43:01,311 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:01,311 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:01,312 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:01,318 INFO L382 tUnfolder$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[][139], [5#L80true, 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), 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))))), 598#true, 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: 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 19:43:01,318 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 19:43:01,318 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:01,318 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 19:43:01,318 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:01,328 INFO L129 PetriNetUnfolder]: 269/538 cut-off events. [2021-03-25 19:43:01,328 INFO L130 PetriNetUnfolder]: For 2395/2455 co-relation queries the response was YES. [2021-03-25 19:43:01,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2788 conditions, 538 events. 269/538 cut-off events. For 2395/2455 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2829 event pairs, 0 based on Foata normal form. 5/512 useless extension candidates. Maximal degree in co-relation 2524. Up to 133 conditions per place. [2021-03-25 19:43:01,333 INFO L142 LiptonReduction]: Number of co-enabled transitions 1512 [2021-03-25 19:43:01,341 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:01,341 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:01,341 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-25 19:43:01,341 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 161 transitions, 2377 flow [2021-03-25 19:43:01,342 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 19:43:01,342 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:01,342 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 19:43:01,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:01,557 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:01,557 INFO L82 PathProgramCache]: Analyzing trace with hash 873048845, now seen corresponding path program 2 times [2021-03-25 19:43:01,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:01,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364496772] [2021-03-25 19:43:01,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:01,614 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 19:43:01,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,619 INFO L142 QuantifierPusher]: treesize reduction 18, result has 60.0 percent of original size [2021-03-25 19:43:01,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 19:43:01,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:43:01,634 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-03-25 19:43:01,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:01,646 INFO L142 QuantifierPusher]: treesize reduction 8, result has 74.2 percent of original size [2021-03-25 19:43:01,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:01,660 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 19:43:01,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364496772] [2021-03-25 19:43:01,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723398569] [2021-03-25 19:43:01,660 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 19:43:01,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 19:43:01,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:01,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-25 19:43:01,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:01,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:01,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,718 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-03-25 19:43:01,718 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 19:43:01,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:01,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:01,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:01,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:01,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:01,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:01,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:01,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:01,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,731 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 19:43:01,731 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 19:43:01,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:01,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:01,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:01,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:01,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:01,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:01,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:01,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:01,758 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:43:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:01,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:01,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:01,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:01,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:01,770 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,770 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 19:43:01,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,773 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:01,773 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:01,774 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.1 percent of original size [2021-03-25 19:43:01,775 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-25 19:43:01,775 INFO L147 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size 52 [2021-03-25 19:43:01,776 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.3 percent of original size [2021-03-25 19:43:01,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,777 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:01,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:01,792 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:52 [2021-03-25 19:43:01,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:01,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:01,845 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 19:43:01,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:01,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 19:43:01,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681391378] [2021-03-25 19:43:01,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 19:43:01,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:01,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 19:43:01,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-25 19:43:01,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:01,847 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 19:43:01,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:01,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:01,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:01,985 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 19:43:01,985 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:43:01,985 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:01,985 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:01,985 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:02,011 INFO L129 PetriNetUnfolder]: 290/578 cut-off events. [2021-03-25 19:43:02,011 INFO L130 PetriNetUnfolder]: For 2509/2593 co-relation queries the response was YES. [2021-03-25 19:43:02,013 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 19:43:02,017 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 128 selfloop transitions, 29 changer transitions 0/169 dead transitions. [2021-03-25 19:43:02,017 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 169 transitions, 2791 flow [2021-03-25 19:43:02,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 19:43:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 19:43:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 175 transitions. [2021-03-25 19:43:02,018 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6433823529411765 [2021-03-25 19:43:02,018 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 175 transitions. [2021-03-25 19:43:02,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 175 transitions. [2021-03-25 19:43:02,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:02,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 175 transitions. [2021-03-25 19:43:02,018 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 19:43:02,019 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 19:43:02,019 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 19:43:02,019 INFO L185 Difference]: Start difference. First operand has 87 places, 161 transitions, 2377 flow. Second operand 8 states and 175 transitions. [2021-03-25 19:43:02,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 169 transitions, 2791 flow [2021-03-25 19:43:02,028 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 19:43:02,033 INFO L241 Difference]: Finished difference. Result has 90 places, 169 transitions, 2481 flow [2021-03-25 19:43:02,033 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 19:43:02,033 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 63 predicate places. [2021-03-25 19:43:02,033 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:02,033 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 169 transitions, 2481 flow [2021-03-25 19:43:02,033 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 169 transitions, 2481 flow [2021-03-25 19:43:02,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 169 transitions, 2481 flow [2021-03-25 19:43:02,052 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][8], [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: 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), 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)), 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)))), 666#true, 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: 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, Black: 47#true, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 19:43:02,052 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:43:02,053 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:02,053 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:02,053 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:02,058 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[][148], [5#L80true, 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: 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: 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: 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))))), 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)))), 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, Black: 54#(<= i2 i1), Black: 47#true, Black: 44#(= s2 s1)]) [2021-03-25 19:43:02,058 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 19:43:02,058 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:02,058 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 19:43:02,059 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:02,069 INFO L129 PetriNetUnfolder]: 282/562 cut-off events. [2021-03-25 19:43:02,069 INFO L130 PetriNetUnfolder]: For 2363/2423 co-relation queries the response was YES. [2021-03-25 19:43:02,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2911 conditions, 562 events. 282/562 cut-off events. For 2363/2423 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2957 event pairs, 0 based on Foata normal form. 5/533 useless extension candidates. Maximal degree in co-relation 2640. Up to 133 conditions per place. [2021-03-25 19:43:02,075 INFO L142 LiptonReduction]: Number of co-enabled transitions 1596 [2021-03-25 19:43:02,083 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:02,083 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:02,084 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-03-25 19:43:02,085 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 169 transitions, 2481 flow [2021-03-25 19:43:02,085 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 19:43:02,085 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:02,085 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 19:43:02,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-25 19:43:02,300 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:02,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:02,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1817877210, now seen corresponding path program 1 times [2021-03-25 19:43:02,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:02,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721629960] [2021-03-25 19:43:02,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:02,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:02,322 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 19:43:02,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:02,327 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 19:43:02,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:02,332 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-25 19:43:02,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:02,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:02,347 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 19:43:02,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721629960] [2021-03-25 19:43:02,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151210311] [2021-03-25 19:43:02,348 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 19:43:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:02,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-25 19:43:02,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:02,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:02,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:02,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:02,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:02,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:02,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:02,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:02,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:02,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:02,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:02,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:02,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:02,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:02,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:02,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:02,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:02,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:02,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:02,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:02,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:02,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:02,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:02,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:02,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:02,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:02,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:02,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:02,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:02,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:02,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,443 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 19:43:02,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:02,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2021-03-25 19:43:02,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092778286] [2021-03-25 19:43:02,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 19:43:02,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:02,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 19:43:02,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-03-25 19:43:02,444 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:43:02,444 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 19:43:02,444 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:02,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:43:02,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:02,543 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 19:43:02,543 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:43:02,543 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:02,543 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:02,543 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:02,602 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 19:43:02,603 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:02,603 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:02,603 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:02,603 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:02,630 INFO L129 PetriNetUnfolder]: 393/782 cut-off events. [2021-03-25 19:43:02,630 INFO L130 PetriNetUnfolder]: For 4348/4484 co-relation queries the response was YES. [2021-03-25 19:43:02,633 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 19:43:02,637 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 94 selfloop transitions, 122 changer transitions 0/228 dead transitions. [2021-03-25 19:43:02,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 228 transitions, 3787 flow [2021-03-25 19:43:02,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 19:43:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 19:43:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 260 transitions. [2021-03-25 19:43:02,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-03-25 19:43:02,638 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 260 transitions. [2021-03-25 19:43:02,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 260 transitions. [2021-03-25 19:43:02,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:02,639 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 260 transitions. [2021-03-25 19:43:02,639 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 19:43:02,640 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 19:43:02,640 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 19:43:02,640 INFO L185 Difference]: Start difference. First operand has 90 places, 169 transitions, 2481 flow. Second operand 10 states and 260 transitions. [2021-03-25 19:43:02,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 228 transitions, 3787 flow [2021-03-25 19:43:02,656 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 19:43:02,659 INFO L241 Difference]: Finished difference. Result has 93 places, 228 transitions, 3514 flow [2021-03-25 19:43:02,659 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 19:43:02,659 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 66 predicate places. [2021-03-25 19:43:02,660 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:02,660 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 228 transitions, 3514 flow [2021-03-25 19:43:02,660 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 228 transitions, 3514 flow [2021-03-25 19:43:02,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 228 transitions, 3514 flow [2021-03-25 19:43:02,675 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][108], [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), 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)), 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)))), 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)), 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, Black: 44#(= s2 s1), 54#(<= i2 i1)]) [2021-03-25 19:43:02,676 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-25 19:43:02,676 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:02,676 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:02,676 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:02,693 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[][34], [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: 288#(<= i1 i2), Black: 301#(<= i1 (+ i2 1)), Black: 348#(<= i2 i1), 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))))), 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: 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)), 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 19:43:02,693 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:02,693 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:02,693 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:02,693 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:02,704 INFO L129 PetriNetUnfolder]: 383/757 cut-off events. [2021-03-25 19:43:02,705 INFO L130 PetriNetUnfolder]: For 3918/3993 co-relation queries the response was YES. [2021-03-25 19:43:02,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4130 conditions, 757 events. 383/757 cut-off events. For 3918/3993 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 4256 event pairs, 0 based on Foata normal form. 5/718 useless extension candidates. Maximal degree in co-relation 3816. Up to 193 conditions per place. [2021-03-25 19:43:02,713 INFO L142 LiptonReduction]: Number of co-enabled transitions 2196 [2021-03-25 19:43:02,724 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:02,724 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:02,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-03-25 19:43:02,725 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 228 transitions, 3514 flow [2021-03-25 19:43:02,725 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 19:43:02,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:02,725 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 19:43:02,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-25 19:43:02,940 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:02,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:02,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1017458272, now seen corresponding path program 3 times [2021-03-25 19:43:02,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:02,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923206302] [2021-03-25 19:43:02,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:02,963 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 19:43:02,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:02,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:02,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:02,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:02,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:02,979 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 19:43:02,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923206302] [2021-03-25 19:43:02,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226642324] [2021-03-25 19:43:02,979 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 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 19:43:03,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-25 19:43:03,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:03,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 19:43:03,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:03,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:03,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:03,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:03,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:03,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:03,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:03,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:03,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:03,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:03,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:03,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:03,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,059 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 19:43:03,059 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:03,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-25 19:43:03,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090442015] [2021-03-25 19:43:03,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:43:03,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:03,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:43:03,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:43:03,060 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 19:43:03,060 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 19:43:03,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:03,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 19:43:03,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:03,133 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: 342#(<= i2 (+ i1 1)), 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)), 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 19:43:03,133 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:03,134 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:03,134 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:03,134 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:03,158 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: 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 19:43:03,159 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:03,159 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:03,159 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:03,159 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:03,208 INFO L129 PetriNetUnfolder]: 502/990 cut-off events. [2021-03-25 19:43:03,208 INFO L130 PetriNetUnfolder]: For 5385/5569 co-relation queries the response was YES. [2021-03-25 19:43:03,213 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 19:43:03,220 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 57 selfloop transitions, 219 changer transitions 0/288 dead transitions. [2021-03-25 19:43:03,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 288 transitions, 4950 flow [2021-03-25 19:43:03,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:43:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:43:03,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 218 transitions. [2021-03-25 19:43:03,221 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7124183006535948 [2021-03-25 19:43:03,221 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 218 transitions. [2021-03-25 19:43:03,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 218 transitions. [2021-03-25 19:43:03,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:03,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 218 transitions. [2021-03-25 19:43:03,222 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 19:43:03,225 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 19:43:03,225 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 19:43:03,225 INFO L185 Difference]: Start difference. First operand has 93 places, 228 transitions, 3514 flow. Second operand 9 states and 218 transitions. [2021-03-25 19:43:03,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 288 transitions, 4950 flow [2021-03-25 19:43:03,246 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 19:43:03,251 INFO L241 Difference]: Finished difference. Result has 104 places, 286 transitions, 4720 flow [2021-03-25 19:43:03,251 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 19:43:03,252 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 77 predicate places. [2021-03-25 19:43:03,252 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:03,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 286 transitions, 4720 flow [2021-03-25 19:43:03,252 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 286 transitions, 4720 flow [2021-03-25 19:43:03,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 286 transitions, 4720 flow [2021-03-25 19:43:03,284 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: 342#(<= i2 (+ i1 1)), 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)), 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), 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)))), 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, 808#true, Black: 818#(<= i1 i2), Black: 44#(= s2 s1), Black: 811#(<= i1 (+ i2 1)), Black: 812#(<= i1 (+ i2 2)), 54#(<= i2 i1)]) [2021-03-25 19:43:03,285 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:03,285 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:03,285 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:03,285 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:03,313 INFO L129 PetriNetUnfolder]: 493/963 cut-off events. [2021-03-25 19:43:03,313 INFO L130 PetriNetUnfolder]: For 4846/4927 co-relation queries the response was YES. [2021-03-25 19:43:03,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5445 conditions, 963 events. 493/963 cut-off events. For 4846/4927 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5765 event pairs, 0 based on Foata normal form. 3/903 useless extension candidates. Maximal degree in co-relation 4996. Up to 205 conditions per place. [2021-03-25 19:43:03,324 INFO L142 LiptonReduction]: Number of co-enabled transitions 2754 [2021-03-25 19:43:03,340 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:03,340 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:03,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-03-25 19:43:03,340 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 286 transitions, 4720 flow [2021-03-25 19:43:03,340 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 19:43:03,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:03,340 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 19:43:03,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-25 19:43:03,557 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:03,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:03,558 INFO L82 PathProgramCache]: Analyzing trace with hash 4324985, now seen corresponding path program 4 times [2021-03-25 19:43:03,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:03,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299590814] [2021-03-25 19:43:03,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:03,576 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 19:43:03,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:03,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:03,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:03,595 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 19:43:03,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299590814] [2021-03-25 19:43:03,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423193500] [2021-03-25 19:43:03,596 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 19:43:03,629 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 19:43:03,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:03,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 19:43:03,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:03,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:03,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:03,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:03,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:03,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:03,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:03,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:03,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:03,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:03,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:03,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:03,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:03,684 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 19:43:03,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:03,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2021-03-25 19:43:03,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756794858] [2021-03-25 19:43:03,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:43:03,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:03,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:43:03,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:43:03,685 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 19:43:03,685 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 19:43:03,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:03,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 19:43:03,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:03,762 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 19:43:03,762 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:03,762 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:03,762 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:03,762 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:03,821 INFO L129 PetriNetUnfolder]: 526/1044 cut-off events. [2021-03-25 19:43:03,822 INFO L130 PetriNetUnfolder]: For 5796/5862 co-relation queries the response was YES. [2021-03-25 19:43:03,826 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 19:43:03,832 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 146 selfloop transitions, 146 changer transitions 0/304 dead transitions. [2021-03-25 19:43:03,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 304 transitions, 5672 flow [2021-03-25 19:43:03,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 19:43:03,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 19:43:03,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 263 transitions. [2021-03-25 19:43:03,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7032085561497327 [2021-03-25 19:43:03,833 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 263 transitions. [2021-03-25 19:43:03,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 263 transitions. [2021-03-25 19:43:03,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:03,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 263 transitions. [2021-03-25 19:43:03,835 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 19:43:03,836 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 19:43:03,836 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 19:43:03,836 INFO L185 Difference]: Start difference. First operand has 104 places, 286 transitions, 4720 flow. Second operand 11 states and 263 transitions. [2021-03-25 19:43:03,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 304 transitions, 5672 flow [2021-03-25 19:43:03,862 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 19:43:03,866 INFO L241 Difference]: Finished difference. Result has 113 places, 304 transitions, 5041 flow [2021-03-25 19:43:03,866 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 19:43:03,867 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 86 predicate places. [2021-03-25 19:43:03,867 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:03,867 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 304 transitions, 5041 flow [2021-03-25 19:43:03,867 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 304 transitions, 5041 flow [2021-03-25 19:43:03,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 304 transitions, 5041 flow [2021-03-25 19:43:03,891 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][37], [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: 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)))), 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)]) [2021-03-25 19:43:03,891 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:03,891 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:03,891 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:03,891 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:03,985 INFO L129 PetriNetUnfolder]: 509/1008 cut-off events. [2021-03-25 19:43:03,985 INFO L130 PetriNetUnfolder]: For 4730/4788 co-relation queries the response was YES. [2021-03-25 19:43:03,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5637 conditions, 1008 events. 509/1008 cut-off events. For 4730/4788 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6104 event pairs, 0 based on Foata normal form. 2/950 useless extension candidates. Maximal degree in co-relation 5168. Up to 205 conditions per place. [2021-03-25 19:43:04,019 INFO L142 LiptonReduction]: Number of co-enabled transitions 2940 [2021-03-25 19:43:04,043 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:04,043 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:04,043 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 176 [2021-03-25 19:43:04,047 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 304 transitions, 5041 flow [2021-03-25 19:43:04,047 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 19:43:04,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:04,048 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 19:43:04,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:04,264 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:04,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:04,264 INFO L82 PathProgramCache]: Analyzing trace with hash -523334715, now seen corresponding path program 5 times [2021-03-25 19:43:04,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:04,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215388755] [2021-03-25 19:43:04,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:04,285 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-25 19:43:04,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:04,294 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 19:43:04,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:04,301 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-25 19:43:04,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:04,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:04,326 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 19:43:04,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:04,335 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 19:43:04,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215388755] [2021-03-25 19:43:04,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851511261] [2021-03-25 19:43:04,335 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 19:43:04,360 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-25 19:43:04,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:04,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-25 19:43:04,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:04,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:04,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:04,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:04,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:04,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:04,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:04,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:04,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:04,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:04,379 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size 28 [2021-03-25 19:43:04,380 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.5 percent of original size [2021-03-25 19:43:04,381 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:04,382 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-25 19:43:04,382 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-25 19:43:04,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:04,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:04,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:04,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:04,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:04,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:04,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:04,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:04,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:04,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:04,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,395 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:04,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:43:04,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,397 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 19:43:04,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:04,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:04,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:04,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:04,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:04,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:04,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:04,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:04,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,419 INFO L142 QuantifierPusher]: treesize reduction 3, result has 93.8 percent of original size [2021-03-25 19:43:04,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 19:43:04,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 19:43:04,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,421 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.9 percent of original size [2021-03-25 19:43:04,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 19:43:04,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 19:43:04,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,422 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 19:43:04,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 19:43:04,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 19:43:04,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 19:43:04,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 19:43:04,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 19:43:04,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 19:43:04,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 19:43:04,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 19:43:04,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 19:43:04,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 19:43:04,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 19:43:04,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 19:43:04,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 19:43:04,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,445 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 19:43:04,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 19:43:04,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,449 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.1 percent of original size [2021-03-25 19:43:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 19:43:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 19:43:04,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 19:43:04,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 19:43:04,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 19:43:04,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 19:43:04,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 19:43:04,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 19:43:04,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 19:43:04,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 19:43:04,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 19:43:04,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 19:43:04,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 19:43:04,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 19:43:04,483 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,483 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 19:43:04,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,487 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.6 percent of original size [2021-03-25 19:43:04,487 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:43:04,487 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,490 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:04,491 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,497 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,498 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,499 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:04,500 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,502 INFO L147 QuantifierPusher]: treesize reduction 8, result has 76.5 percent of original size 26 [2021-03-25 19:43:04,502 INFO L147 QuantifierPusher]: treesize reduction 17, result has 77.0 percent of original size 57 [2021-03-25 19:43:04,503 INFO L147 QuantifierPusher]: treesize reduction 34, result has 73.0 percent of original size 92 [2021-03-25 19:43:04,504 INFO L147 QuantifierPusher]: treesize reduction 41, result has 77.2 percent of original size 139 [2021-03-25 19:43:04,506 INFO L147 QuantifierPusher]: treesize reduction 41, result has 77.2 percent of original size 139 [2021-03-25 19:43:04,509 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:04,510 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,512 INFO L142 QuantifierPusher]: treesize reduction 41, result has 82.2 percent of original size [2021-03-25 19:43:04,512 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 19:43:04,513 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,514 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.6 percent of original size [2021-03-25 19:43:04,515 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:04,516 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,517 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.7 percent of original size [2021-03-25 19:43:04,519 INFO L147 QuantifierPusher]: treesize reduction -4, result has 108.3 percent of original size 52 [2021-03-25 19:43:04,520 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:43:04,521 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,522 INFO L142 QuantifierPusher]: treesize reduction 12, result has 86.4 percent of original size [2021-03-25 19:43:04,523 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,524 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,524 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size [2021-03-25 19:43:04,526 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-25 19:43:04,526 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:04,527 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,528 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,530 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,533 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-25 19:43:04,533 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,548 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,549 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size [2021-03-25 19:43:04,549 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-25 19:43:04,550 INFO L147 QuantifierPusher]: treesize reduction -6, result has 108.7 percent of original size 75 [2021-03-25 19:43:04,551 INFO L147 QuantifierPusher]: treesize reduction -10, result has 108.8 percent of original size 124 [2021-03-25 19:43:04,551 INFO L147 QuantifierPusher]: treesize reduction -14, result has 108.4 percent of original size 181 [2021-03-25 19:43:04,552 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:04,553 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,554 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:43:04,555 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,556 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:04,556 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,557 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-03-25 19:43:04,558 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,558 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,560 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-25 19:43:04,560 INFO L147 QuantifierPusher]: treesize reduction 15, result has 66.7 percent of original size 30 [2021-03-25 19:43:04,561 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:04,576 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,577 INFO L142 QuantifierPusher]: treesize reduction 23, result has 70.9 percent of original size [2021-03-25 19:43:04,578 INFO L147 QuantifierPusher]: treesize reduction -4, result has 108.3 percent of original size 52 [2021-03-25 19:43:04,579 INFO L147 QuantifierPusher]: treesize reduction 11, result has 88.8 percent of original size 87 [2021-03-25 19:43:04,579 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:04,580 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,581 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:43:04,581 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,582 INFO L142 QuantifierPusher]: treesize reduction 12, result has 86.4 percent of original size [2021-03-25 19:43:04,583 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,584 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,584 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.3 percent of original size [2021-03-25 19:43:04,585 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-25 19:43:04,586 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:04,586 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,588 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,589 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,589 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.3 percent of original size [2021-03-25 19:43:04,590 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-25 19:43:04,590 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,591 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,593 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-25 19:43:04,593 INFO L147 QuantifierPusher]: treesize reduction -6, result has 108.7 percent of original size 75 [2021-03-25 19:43:04,594 INFO L147 QuantifierPusher]: treesize reduction -10, result has 108.8 percent of original size 124 [2021-03-25 19:43:04,594 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2021-03-25 19:43:04,595 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,596 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,597 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,598 INFO L147 QuantifierPusher]: treesize reduction -2, result has 108.3 percent of original size 26 [2021-03-25 19:43:04,599 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,600 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,600 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.3 percent of original size [2021-03-25 19:43:04,601 INFO L147 QuantifierPusher]: treesize reduction -4, result has 110.0 percent of original size 44 [2021-03-25 19:43:04,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,605 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-25 19:43:04,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:04,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:04,607 INFO L147 QuantifierPusher]: treesize reduction -8, result has 107.9 percent of original size 109 [2021-03-25 19:43:04,608 INFO L147 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size 217 [2021-03-25 19:43:04,609 INFO L147 QuantifierPusher]: treesize reduction 14, result has 95.8 percent of original size 319 [2021-03-25 19:43:04,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 515 [2021-03-25 19:43:04,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 515 [2021-03-25 19:43:04,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,617 INFO L147 QuantifierPusher]: treesize reduction 67, result has 87.0 percent of original size 448 [2021-03-25 19:43:04,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:04,855 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 69 [2021-03-25 19:43:04,856 INFO L628 ElimStorePlain]: treesize reduction 348, result has 33.6 percent of original size [2021-03-25 19:43:04,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,859 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:04,859 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,859 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,861 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,861 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,861 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,862 INFO L142 QuantifierPusher]: treesize reduction 30, result has 81.9 percent of original size [2021-03-25 19:43:04,862 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:04,863 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,863 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,865 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2021-03-25 19:43:04,866 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,869 INFO L147 QuantifierPusher]: treesize reduction 37, result has 86.8 percent of original size 244 [2021-03-25 19:43:04,871 INFO L147 QuantifierPusher]: treesize reduction 36, result has 88.0 percent of original size 263 [2021-03-25 19:43:04,871 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-25 19:43:04,872 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,872 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,874 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:04,874 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,874 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,876 INFO L147 QuantifierPusher]: treesize reduction -5, result has 106.3 percent of original size 84 [2021-03-25 19:43:04,879 INFO L725 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2021-03-25 19:43:04,879 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,886 INFO L147 QuantifierPusher]: treesize reduction 84, result has 90.6 percent of original size 813 [2021-03-25 19:43:04,898 INFO L147 QuantifierPusher]: treesize reduction 74, result has 93.1 percent of original size 994 [2021-03-25 19:43:04,901 INFO L147 QuantifierPusher]: treesize reduction 110, result has 92.0 percent of original size 1261 [2021-03-25 19:43:04,902 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:04,903 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,904 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,904 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,904 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,905 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-03-25 19:43:04,906 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2021-03-25 19:43:04,906 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,909 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:04,910 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,912 INFO L147 QuantifierPusher]: treesize reduction -2, result has 102.4 percent of original size 84 [2021-03-25 19:43:04,912 INFO L147 QuantifierPusher]: treesize reduction -3, result has 102.6 percent of original size 119 [2021-03-25 19:43:04,913 INFO L147 QuantifierPusher]: treesize reduction 1, result has 99.3 percent of original size 143 [2021-03-25 19:43:04,917 INFO L147 QuantifierPusher]: treesize reduction 111, result has 92.7 percent of original size 1409 [2021-03-25 19:43:04,920 INFO L147 QuantifierPusher]: treesize reduction 111, result has 92.7 percent of original size 1409 [2021-03-25 19:43:04,921 INFO L725 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2021-03-25 19:43:04,923 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,927 INFO L142 QuantifierPusher]: treesize reduction 303, result has 81.0 percent of original size [2021-03-25 19:43:04,928 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:04,928 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,928 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,933 INFO L147 QuantifierPusher]: treesize reduction 35, result has 70.6 percent of original size 84 [2021-03-25 19:43:04,974 INFO L725 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2021-03-25 19:43:04,975 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,995 INFO L147 QuantifierPusher]: treesize reduction 121, result has 48.1 percent of original size 112 [2021-03-25 19:43:04,995 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:04,996 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:04,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:04,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,000 INFO L142 QuantifierPusher]: treesize reduction 18, result has 85.1 percent of original size [2021-03-25 19:43:05,001 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:05,001 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,003 INFO L147 QuantifierPusher]: treesize reduction -7, result has 105.1 percent of original size 143 [2021-03-25 19:43:05,004 INFO L147 QuantifierPusher]: treesize reduction -7, result has 105.1 percent of original size 143 [2021-03-25 19:43:05,004 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:05,005 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,005 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,006 INFO L142 QuantifierPusher]: treesize reduction -7, result has 104.3 percent of original size [2021-03-25 19:43:05,008 INFO L147 QuantifierPusher]: treesize reduction 123, result has 43.8 percent of original size 96 [2021-03-25 19:43:05,009 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:05,009 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,009 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 85.7 percent of original size [2021-03-25 19:43:05,011 INFO L147 QuantifierPusher]: treesize reduction -4, result has 107.4 percent of original size 58 [2021-03-25 19:43:05,012 INFO L147 QuantifierPusher]: treesize reduction 119, result has 60.1 percent of original size 179 [2021-03-25 19:43:05,012 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:05,013 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,014 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:05,015 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,016 INFO L147 QuantifierPusher]: treesize reduction 26, result has 79.4 percent of original size 100 [2021-03-25 19:43:05,017 INFO L725 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2021-03-25 19:43:05,017 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,019 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:05,020 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,020 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,021 INFO L147 QuantifierPusher]: treesize reduction -8, result has 110.7 percent of original size 83 [2021-03-25 19:43:05,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,025 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:05,026 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,026 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,028 INFO L147 QuantifierPusher]: treesize reduction -14, result has 108.1 percent of original size 186 [2021-03-25 19:43:05,028 INFO L147 QuantifierPusher]: treesize reduction -14, result has 108.1 percent of original size 186 [2021-03-25 19:43:05,029 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:05,029 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,030 INFO L142 QuantifierPusher]: treesize reduction -14, result has 107.2 percent of original size [2021-03-25 19:43:05,032 INFO L147 QuantifierPusher]: treesize reduction 117, result has 54.3 percent of original size 139 [2021-03-25 19:43:05,033 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:05,033 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:05,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,034 INFO L147 QuantifierPusher]: treesize reduction -5, result has 106.4 percent of original size 83 [2021-03-25 19:43:05,036 INFO L147 QuantifierPusher]: treesize reduction 119, result has 76.5 percent of original size 387 [2021-03-25 19:43:05,038 INFO L147 QuantifierPusher]: treesize reduction 145, result has 77.2 percent of original size 492 [2021-03-25 19:43:05,051 INFO L147 QuantifierPusher]: treesize reduction 551, result has 65.3 percent of original size 1035 [2021-03-25 19:43:05,054 INFO L147 QuantifierPusher]: treesize reduction 551, result has 65.3 percent of original size 1035 [2021-03-25 19:43:05,055 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 19:43:05,055 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:1586 [2021-03-25 19:43:05,058 INFO L142 QuantifierPusher]: treesize reduction 551, result has 65.3 percent of original size [2021-03-25 19:43:05,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1035 [2021-03-25 19:43:05,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1035 [2021-03-25 19:43:05,253 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 51 [2021-03-25 19:43:05,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:05,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-03-25 19:43:05,288 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 19:43:05,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:05,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-03-25 19:43:05,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328940258] [2021-03-25 19:43:05,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 19:43:05,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:05,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 19:43:05,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-03-25 19:43:05,289 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:05,289 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 19:43:05,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:05,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:05,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:05,644 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2021-03-25 19:43:05,760 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 19:43:05,761 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:05,761 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:05,761 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:05,761 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:05,766 INFO L382 tUnfolder$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 19:43:05,766 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:05,766 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:05,766 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:05,766 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:05,851 INFO L129 PetriNetUnfolder]: 597/1178 cut-off events. [2021-03-25 19:43:05,852 INFO L130 PetriNetUnfolder]: For 5800/5923 co-relation queries the response was YES. [2021-03-25 19:43:05,856 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 19:43:05,864 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 189 selfloop transitions, 144 changer transitions 0/345 dead transitions. [2021-03-25 19:43:05,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 345 transitions, 6405 flow [2021-03-25 19:43:05,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:43:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:43:05,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 199 transitions. [2021-03-25 19:43:05,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6503267973856209 [2021-03-25 19:43:05,865 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 199 transitions. [2021-03-25 19:43:05,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 199 transitions. [2021-03-25 19:43:05,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:05,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 199 transitions. [2021-03-25 19:43:05,866 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 19:43:05,866 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 19:43:05,866 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 19:43:05,866 INFO L185 Difference]: Start difference. First operand has 113 places, 304 transitions, 5041 flow. Second operand 9 states and 199 transitions. [2021-03-25 19:43:05,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 345 transitions, 6405 flow [2021-03-25 19:43:05,893 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 19:43:05,898 INFO L241 Difference]: Finished difference. Result has 120 places, 345 transitions, 6059 flow [2021-03-25 19:43:05,898 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 19:43:05,898 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 93 predicate places. [2021-03-25 19:43:05,898 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:05,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 345 transitions, 6059 flow [2021-03-25 19:43:05,898 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 345 transitions, 6059 flow [2021-03-25 19:43:05,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 345 transitions, 6059 flow [2021-03-25 19:43:05,927 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][342], [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), 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), 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 19:43:05,928 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:05,928 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:05,928 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:05,928 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:05,932 INFO L382 tUnfolder$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][246], [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), 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)), 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)))), Black: 103#(or (and (< s2 (+ s1 1)) (<= s1 s2)) (not (= i2 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 19:43:05,932 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:05,932 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:05,932 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:05,932 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:05,977 INFO L129 PetriNetUnfolder]: 579/1141 cut-off events. [2021-03-25 19:43:05,977 INFO L130 PetriNetUnfolder]: For 5903/5993 co-relation queries the response was YES. [2021-03-25 19:43:05,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6652 conditions, 1141 events. 579/1141 cut-off events. For 5903/5993 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 7142 event pairs, 0 based on Foata normal form. 2/1074 useless extension candidates. Maximal degree in co-relation 6134. Up to 233 conditions per place. [2021-03-25 19:43:05,992 INFO L142 LiptonReduction]: Number of co-enabled transitions 3366 [2021-03-25 19:43:06,008 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:06,009 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:06,009 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-03-25 19:43:06,009 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 345 transitions, 6059 flow [2021-03-25 19:43:06,009 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 19:43:06,009 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:06,009 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 19:43:06,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:06,225 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:06,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:06,226 INFO L82 PathProgramCache]: Analyzing trace with hash 632211053, now seen corresponding path program 3 times [2021-03-25 19:43:06,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:06,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655741385] [2021-03-25 19:43:06,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:06,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:06,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,262 INFO L142 QuantifierPusher]: treesize reduction 27, result has 12.9 percent of original size [2021-03-25 19:43:06,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:06,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:06,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:06,269 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 19:43:06,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655741385] [2021-03-25 19:43:06,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722810140] [2021-03-25 19:43:06,269 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 19:43:06,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-25 19:43:06,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:06,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 19:43:06,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:06,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:06,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:06,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:06,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:06,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:06,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:06,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:06,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:06,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:06,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:06,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:06,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:06,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,308 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:06,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:06,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:06,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:06,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:06,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:06,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:06,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,326 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:06,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:06,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,343 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 19:43:06,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:06,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-25 19:43:06,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957952194] [2021-03-25 19:43:06,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 19:43:06,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:06,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 19:43:06,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:43:06,344 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:43:06,344 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 19:43:06,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:06,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:43:06,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:06,445 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 19:43:06,445 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:06,445 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:06,445 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:06,445 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:06,447 INFO L382 tUnfolder$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 19:43:06,447 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:06,447 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:06,447 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:06,447 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:06,465 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 19:43:06,465 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:06,465 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:06,465 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:06,465 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:06,529 INFO L129 PetriNetUnfolder]: 654/1291 cut-off events. [2021-03-25 19:43:06,530 INFO L130 PetriNetUnfolder]: For 7668/7732 co-relation queries the response was YES. [2021-03-25 19:43:06,535 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 19:43:06,543 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 114 selfloop transitions, 256 changer transitions 0/382 dead transitions. [2021-03-25 19:43:06,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 382 transitions, 7411 flow [2021-03-25 19:43:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 19:43:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 19:43:06,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 315 transitions. [2021-03-25 19:43:06,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7720588235294118 [2021-03-25 19:43:06,544 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 315 transitions. [2021-03-25 19:43:06,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 315 transitions. [2021-03-25 19:43:06,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:06,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 315 transitions. [2021-03-25 19:43:06,545 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 19:43:06,546 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 19:43:06,546 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 19:43:06,546 INFO L185 Difference]: Start difference. First operand has 120 places, 345 transitions, 6059 flow. Second operand 12 states and 315 transitions. [2021-03-25 19:43:06,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 382 transitions, 7411 flow [2021-03-25 19:43:06,581 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 19:43:06,587 INFO L241 Difference]: Finished difference. Result has 132 places, 380 transitions, 7534 flow [2021-03-25 19:43:06,588 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 19:43:06,588 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 105 predicate places. [2021-03-25 19:43:06,588 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:06,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 380 transitions, 7534 flow [2021-03-25 19:43:06,588 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 132 places, 380 transitions, 7534 flow [2021-03-25 19:43:06,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 380 transitions, 7534 flow [2021-03-25 19:43:06,631 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][4], [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))), 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)))), 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), 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 19:43:06,632 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:06,632 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:06,632 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:06,632 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:06,635 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][290], [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))), 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: 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)))), 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), 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 19:43:06,636 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:06,636 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:06,636 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:06,636 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:06,699 INFO L129 PetriNetUnfolder]: 631/1249 cut-off events. [2021-03-25 19:43:06,699 INFO L130 PetriNetUnfolder]: For 8140/8243 co-relation queries the response was YES. [2021-03-25 19:43:06,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8133 conditions, 1249 events. 631/1249 cut-off events. For 8140/8243 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 7919 event pairs, 0 based on Foata normal form. 2/1180 useless extension candidates. Maximal degree in co-relation 7544. Up to 245 conditions per place. [2021-03-25 19:43:06,715 INFO L142 LiptonReduction]: Number of co-enabled transitions 3726 [2021-03-25 19:43:06,735 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:06,735 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:06,735 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 147 [2021-03-25 19:43:06,735 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 380 transitions, 7534 flow [2021-03-25 19:43:06,735 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 19:43:06,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:06,736 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 19:43:06,950 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:06,950 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:06,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:06,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1510143607, now seen corresponding path program 4 times [2021-03-25 19:43:06,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:06,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927231361] [2021-03-25 19:43:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:06,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:06,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:06,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:06,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:06,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 19:43:06,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927231361] [2021-03-25 19:43:06,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405095498] [2021-03-25 19:43:06,979 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 19:43:07,002 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 19:43:07,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:07,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 19:43:07,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:07,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:07,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:07,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:07,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:07,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:07,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:07,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:07,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:07,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:07,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:07,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:07,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:07,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:07,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:07,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:07,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:07,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:07,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:07,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:07,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:07,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:07,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:07,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:07,050 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 19:43:07,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-25 19:43:07,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-03-25 19:43:07,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990781208] [2021-03-25 19:43:07,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 19:43:07,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:07,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 19:43:07,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-03-25 19:43:07,052 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:43:07,052 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 19:43:07,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:07,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:43:07,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:07,115 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 19:43:07,115 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:07,115 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:07,115 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:07,116 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:07,121 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 19:43:07,122 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:07,122 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:07,122 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:07,122 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:07,219 INFO L129 PetriNetUnfolder]: 738/1452 cut-off events. [2021-03-25 19:43:07,219 INFO L130 PetriNetUnfolder]: For 10546/10708 co-relation queries the response was YES. [2021-03-25 19:43:07,226 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 19:43:07,237 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 111 selfloop transitions, 306 changer transitions 0/429 dead transitions. [2021-03-25 19:43:07,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 429 transitions, 9330 flow [2021-03-25 19:43:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 19:43:07,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 19:43:07,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions. [2021-03-25 19:43:07,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7745098039215687 [2021-03-25 19:43:07,238 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 158 transitions. [2021-03-25 19:43:07,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 158 transitions. [2021-03-25 19:43:07,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:07,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 158 transitions. [2021-03-25 19:43:07,238 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 19:43:07,239 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 19:43:07,239 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 19:43:07,239 INFO L185 Difference]: Start difference. First operand has 132 places, 380 transitions, 7534 flow. Second operand 6 states and 158 transitions. [2021-03-25 19:43:07,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 429 transitions, 9330 flow [2021-03-25 19:43:07,285 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 19:43:07,292 INFO L241 Difference]: Finished difference. Result has 135 places, 427 transitions, 9314 flow [2021-03-25 19:43:07,293 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 19:43:07,293 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 108 predicate places. [2021-03-25 19:43:07,293 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:07,293 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 427 transitions, 9314 flow [2021-03-25 19:43:07,293 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 427 transitions, 9314 flow [2021-03-25 19:43:07,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 427 transitions, 9314 flow [2021-03-25 19:43:07,329 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][290], [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, 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), 29#L23true, 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, 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 19:43:07,329 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:07,329 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:07,330 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:07,330 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-25 19:43:07,340 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], [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: 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)), 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, 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 19:43:07,340 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:07,341 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:07,341 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:07,341 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:07,434 INFO L129 PetriNetUnfolder]: 713/1383 cut-off events. [2021-03-25 19:43:07,434 INFO L130 PetriNetUnfolder]: For 11081/11194 co-relation queries the response was YES. [2021-03-25 19:43:07,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9892 conditions, 1383 events. 713/1383 cut-off events. For 11081/11194 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 8788 event pairs, 0 based on Foata normal form. 3/1309 useless extension candidates. Maximal degree in co-relation 9182. Up to 265 conditions per place. [2021-03-25 19:43:07,454 INFO L142 LiptonReduction]: Number of co-enabled transitions 4146 [2021-03-25 19:43:07,478 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:07,478 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:07,478 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-03-25 19:43:07,479 INFO L480 AbstractCegarLoop]: Abstraction has has 135 places, 427 transitions, 9314 flow [2021-03-25 19:43:07,479 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 19:43:07,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:07,479 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 19:43:07,694 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:07,694 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:07,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:07,694 INFO L82 PathProgramCache]: Analyzing trace with hash -581335632, now seen corresponding path program 6 times [2021-03-25 19:43:07,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:07,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065904845] [2021-03-25 19:43:07,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:07,740 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-25 19:43:07,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:07,750 INFO L142 QuantifierPusher]: treesize reduction 15, result has 55.9 percent of original size [2021-03-25 19:43:07,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,757 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-25 19:43:07,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:07,764 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-25 19:43:07,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 19:43:07,773 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-03-25 19:43:07,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 19:43:07,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:07,795 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 19:43:07,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:07,808 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 19:43:07,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065904845] [2021-03-25 19:43:07,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611617724] [2021-03-25 19:43:07,808 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 19:43:07,832 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-25 19:43:07,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:07,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 19:43:07,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:07,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:07,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:07,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:07,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:07,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:07,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:07,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:07,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:07,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,840 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-25 19:43:07,841 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:43:07,841 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-25 19:43:07,841 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 19:43:07,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:07,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:07,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,852 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-25 19:43:07,852 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-25 19:43:07,852 INFO L147 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size 16 [2021-03-25 19:43:07,853 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-25 19:43:07,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:07,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:07,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,864 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-03-25 19:43:07,864 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.5 percent of original size [2021-03-25 19:43:07,865 INFO L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-03-25 19:43:07,865 INFO L142 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-03-25 19:43:07,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:07,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:43:07,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:07,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:07,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:07,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,898 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-25 19:43:07,898 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-25 19:43:07,898 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-25 19:43:07,899 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-25 19:43:07,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:07,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:07,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,913 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 19:43:07,914 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-25 19:43:07,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,914 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:43:07,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:07,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:07,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:07,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:07,937 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,938 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 19:43:07,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,939 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 19:43:07,940 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:07,940 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:07,941 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,942 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:07,942 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:07,942 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,945 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:07,945 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:07,945 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,946 INFO L147 QuantifierPusher]: treesize reduction 33, result has 68.9 percent of original size 73 [2021-03-25 19:43:07,947 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:07,948 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,949 INFO L142 QuantifierPusher]: treesize reduction 43, result has 67.9 percent of original size [2021-03-25 19:43:07,949 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:07,950 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:07,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:07,951 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.2 percent of original size 47 [2021-03-25 19:43:07,952 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-25 19:43:07,952 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-25 19:43:07,953 INFO L142 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size [2021-03-25 19:43:07,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-25 19:43:07,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:08,033 INFO L628 ElimStorePlain]: treesize reduction 49, result has 54.6 percent of original size [2021-03-25 19:43:08,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,034 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:08,034 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:59 [2021-03-25 19:43:08,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:08,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:08,084 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 19:43:08,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:08,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 19:43:08,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949511293] [2021-03-25 19:43:08,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 19:43:08,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:08,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 19:43:08,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2021-03-25 19:43:08,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:08,086 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 19:43:08,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:08,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:08,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:08,501 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 19:43:08,502 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:08,502 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:08,502 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:08,502 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:08,564 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 19:43:08,565 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:08,565 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:08,565 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:08,565 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:08,591 INFO L382 tUnfolder$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 19:43:08,591 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:08,591 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:08,591 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:08,591 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:08,682 INFO L129 PetriNetUnfolder]: 917/1803 cut-off events. [2021-03-25 19:43:08,682 INFO L130 PetriNetUnfolder]: For 13742/13840 co-relation queries the response was YES. [2021-03-25 19:43:08,691 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 19:43:08,702 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 210 selfloop transitions, 298 changer transitions 0/520 dead transitions. [2021-03-25 19:43:08,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 520 transitions, 12040 flow [2021-03-25 19:43:08,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 19:43:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 19:43:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 333 transitions. [2021-03-25 19:43:08,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6529411764705882 [2021-03-25 19:43:08,703 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 333 transitions. [2021-03-25 19:43:08,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 333 transitions. [2021-03-25 19:43:08,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:08,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 333 transitions. [2021-03-25 19:43:08,704 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 19:43:08,705 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 19:43:08,705 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 19:43:08,705 INFO L185 Difference]: Start difference. First operand has 135 places, 427 transitions, 9314 flow. Second operand 15 states and 333 transitions. [2021-03-25 19:43:08,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 520 transitions, 12040 flow [2021-03-25 19:43:08,771 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 19:43:08,780 INFO L241 Difference]: Finished difference. Result has 152 places, 520 transitions, 11688 flow [2021-03-25 19:43:08,780 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 19:43:08,780 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 125 predicate places. [2021-03-25 19:43:08,780 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:08,781 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 520 transitions, 11688 flow [2021-03-25 19:43:08,781 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 520 transitions, 11688 flow [2021-03-25 19:43:08,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 520 transitions, 11688 flow [2021-03-25 19:43:08,841 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][240], [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: 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))), 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 19:43:08,841 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:08,841 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:08,841 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:08,841 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:08,857 INFO L382 tUnfolder$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][282], [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))), 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 19:43:08,857 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:08,857 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:08,857 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:08,857 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:08,899 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[][306], [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), 403#true, Black: 214#(not (= i1 (+ i2 1))), 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: 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)))), 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: 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: 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 19:43:08,899 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-03-25 19:43:08,900 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:08,900 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:08,900 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:08,932 INFO L129 PetriNetUnfolder]: 880/1703 cut-off events. [2021-03-25 19:43:08,932 INFO L130 PetriNetUnfolder]: For 13700/13825 co-relation queries the response was YES. [2021-03-25 19:43:08,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12460 conditions, 1703 events. 880/1703 cut-off events. For 13700/13825 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 11337 event pairs, 0 based on Foata normal form. 2/1611 useless extension candidates. Maximal degree in co-relation 11634. Up to 305 conditions per place. [2021-03-25 19:43:08,969 INFO L142 LiptonReduction]: Number of co-enabled transitions 5118 [2021-03-25 19:43:09,024 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:09,024 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:09,024 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 244 [2021-03-25 19:43:09,024 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 520 transitions, 11688 flow [2021-03-25 19:43:09,024 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 19:43:09,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:09,025 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 19:43:09,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable73 [2021-03-25 19:43:09,238 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:09,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:09,239 INFO L82 PathProgramCache]: Analyzing trace with hash -2059252656, now seen corresponding path program 5 times [2021-03-25 19:43:09,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:09,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179763317] [2021-03-25 19:43:09,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:09,265 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-25 19:43:09,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:09,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:09,277 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-03-25 19:43:09,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 19:43:09,286 INFO L142 QuantifierPusher]: treesize reduction 38, result has 47.9 percent of original size [2021-03-25 19:43:09,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:43:09,307 INFO L142 QuantifierPusher]: treesize reduction 65, result has 46.3 percent of original size [2021-03-25 19:43:09,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:43:09,332 INFO L142 QuantifierPusher]: treesize reduction 40, result has 39.4 percent of original size [2021-03-25 19:43:09,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:09,345 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 19:43:09,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,361 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 19:43:09,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179763317] [2021-03-25 19:43:09,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097889948] [2021-03-25 19:43:09,361 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) [2021-03-25 19:43:09,387 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-25 19:43:09,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:09,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 19:43:09,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:09,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:09,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:09,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:09,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:09,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:09,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:09,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:09,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:09,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,405 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-03-25 19:43:09,406 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 19:43:09,406 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-25 19:43:09,406 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 19:43:09,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,418 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-25 19:43:09,418 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 19:43:09,419 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-25 19:43:09,419 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 19:43:09,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:09,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,433 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.3 percent of original size 26 [2021-03-25 19:43:09,434 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.4 percent of original size [2021-03-25 19:43:09,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:09,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:09,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:09,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:09,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:09,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:09,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:09,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,449 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-03-25 19:43:09,449 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-03-25 19:43:09,449 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-25 19:43:09,450 INFO L142 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size [2021-03-25 19:43:09,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:09,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:09,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,462 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 19:43:09,462 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 19:43:09,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:09,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,483 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 19:43:09,483 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-25 19:43:09,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:09,484 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:43:09,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:09,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:09,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:09,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:09,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:09,501 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,501 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 19:43:09,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:09,503 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 19:43:09,503 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:09,503 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:09,504 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,504 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:09,504 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:09,505 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,505 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:09,505 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:09,505 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,507 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size 88 [2021-03-25 19:43:09,507 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:09,507 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:09,508 INFO L142 QuantifierPusher]: treesize reduction 68, result has 68.7 percent of original size [2021-03-25 19:43:09,509 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:09,509 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:09,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,510 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-25 19:43:09,511 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:09,511 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:09,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,512 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.8 percent of original size 45 [2021-03-25 19:43:09,513 INFO L147 QuantifierPusher]: treesize reduction 2, result has 99.0 percent of original size 208 [2021-03-25 19:43:09,514 INFO L147 QuantifierPusher]: treesize reduction 2, result has 99.0 percent of original size 208 [2021-03-25 19:43:09,515 INFO L142 QuantifierPusher]: treesize reduction 2, result has 99.0 percent of original size [2021-03-25 19:43:09,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-03-25 19:43:09,517 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:09,644 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2021-03-25 19:43:09,644 INFO L628 ElimStorePlain]: treesize reduction 111, result has 46.6 percent of original size [2021-03-25 19:43:09,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,646 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:09,646 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:97 [2021-03-25 19:43:09,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:09,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:09,707 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 19:43:09,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:09,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 19:43:09,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505343019] [2021-03-25 19:43:09,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 19:43:09,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:09,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 19:43:09,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-03-25 19:43:09,708 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:09,709 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 19:43:09,709 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:09,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:09,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:10,128 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 19:43:10,129 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:10,129 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:10,129 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:10,129 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:10,164 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 19:43:10,164 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:10,164 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:10,164 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:10,164 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:10,348 INFO L129 PetriNetUnfolder]: 1041/2055 cut-off events. [2021-03-25 19:43:10,348 INFO L130 PetriNetUnfolder]: For 16380/16558 co-relation queries the response was YES. [2021-03-25 19:43:10,358 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 19:43:10,370 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 408 selfloop transitions, 181 changer transitions 0/601 dead transitions. [2021-03-25 19:43:10,370 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 601 transitions, 14658 flow [2021-03-25 19:43:10,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 19:43:10,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 19:43:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 371 transitions. [2021-03-25 19:43:10,371 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6418685121107266 [2021-03-25 19:43:10,371 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 371 transitions. [2021-03-25 19:43:10,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 371 transitions. [2021-03-25 19:43:10,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:10,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 371 transitions. [2021-03-25 19:43:10,372 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 19:43:10,373 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 19:43:10,373 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 19:43:10,373 INFO L185 Difference]: Start difference. First operand has 152 places, 520 transitions, 11688 flow. Second operand 17 states and 371 transitions. [2021-03-25 19:43:10,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 601 transitions, 14658 flow [2021-03-25 19:43:10,500 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 19:43:10,510 INFO L241 Difference]: Finished difference. Result has 168 places, 601 transitions, 13937 flow [2021-03-25 19:43:10,510 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 19:43:10,510 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 141 predicate places. [2021-03-25 19:43:10,510 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:10,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 601 transitions, 13937 flow [2021-03-25 19:43:10,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 601 transitions, 13937 flow [2021-03-25 19:43:10,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 168 places, 601 transitions, 13937 flow [2021-03-25 19:43:10,563 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][310], [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)), 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 19:43:10,564 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is not cut-off event [2021-03-25 19:43:10,564 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:10,564 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is not cut-off event [2021-03-25 19:43:10,564 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:10,583 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][324], [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: 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)), 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 19:43:10,583 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:10,583 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:10,583 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:10,584 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:10,685 INFO L129 PetriNetUnfolder]: 996/1938 cut-off events. [2021-03-25 19:43:10,686 INFO L130 PetriNetUnfolder]: For 16052/16177 co-relation queries the response was YES. [2021-03-25 19:43:10,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14818 conditions, 1938 events. 996/1938 cut-off events. For 16052/16177 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 13331 event pairs, 0 based on Foata normal form. 2/1835 useless extension candidates. Maximal degree in co-relation 14186. Up to 349 conditions per place. [2021-03-25 19:43:10,715 INFO L142 LiptonReduction]: Number of co-enabled transitions 5958 [2021-03-25 19:43:10,760 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:10,760 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:10,760 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 250 [2021-03-25 19:43:10,761 INFO L480 AbstractCegarLoop]: Abstraction has has 168 places, 601 transitions, 13937 flow [2021-03-25 19:43:10,761 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 19:43:10,761 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:10,761 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 19:43:10,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2021-03-25 19:43:10,976 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:10,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:10,976 INFO L82 PathProgramCache]: Analyzing trace with hash 875659922, now seen corresponding path program 7 times [2021-03-25 19:43:10,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:10,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427121509] [2021-03-25 19:43:10,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:10,998 INFO L142 QuantifierPusher]: treesize reduction 45, result has 28.6 percent of original size [2021-03-25 19:43:10,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:11,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,014 INFO L142 QuantifierPusher]: treesize reduction 34, result has 51.4 percent of original size [2021-03-25 19:43:11,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 19:43:11,030 INFO L142 QuantifierPusher]: treesize reduction 30, result has 63.9 percent of original size [2021-03-25 19:43:11,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 19:43:11,062 INFO L142 QuantifierPusher]: treesize reduction 50, result has 57.3 percent of original size [2021-03-25 19:43:11,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-25 19:43:11,094 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 19:43:11,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:11,111 INFO L142 QuantifierPusher]: treesize reduction 8, result has 77.8 percent of original size [2021-03-25 19:43:11,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:11,133 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 19:43:11,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427121509] [2021-03-25 19:43:11,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726720756] [2021-03-25 19:43:11,133 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) [2021-03-25 19:43:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:11,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 19:43:11,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:11,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:11,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:11,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:11,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:11,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:11,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:11,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:11,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:11,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:11,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:11,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,167 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-25 19:43:11,167 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:43:11,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:11,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:11,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:11,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:11,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:11,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:11,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:11,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:11,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,189 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-25 19:43:11,190 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-25 19:43:11,190 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 19:43:11,190 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 19:43:11,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:11,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:11,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,200 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 19:43:11,201 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-25 19:43:11,201 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-25 19:43:11,201 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:43:11,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:11,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,210 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 19:43:11,210 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 19:43:11,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:11,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:11,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:11,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:11,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:11,224 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:43:11,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:11,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:11,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:11,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:11,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:11,241 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,241 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 19:43:11,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:11,242 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 19:43:11,243 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:11,243 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:11,243 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,244 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:11,244 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:11,244 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,244 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:11,244 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:11,245 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,246 INFO L147 QuantifierPusher]: treesize reduction 35, result has 67.6 percent of original size 73 [2021-03-25 19:43:11,246 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:11,246 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:11,247 INFO L142 QuantifierPusher]: treesize reduction 93, result has 60.1 percent of original size [2021-03-25 19:43:11,248 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:11,248 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:11,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,249 INFO L147 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size 41 [2021-03-25 19:43:11,250 INFO L147 QuantifierPusher]: treesize reduction 8, result has 95.1 percent of original size 154 [2021-03-25 19:43:11,251 INFO L147 QuantifierPusher]: treesize reduction 8, result has 95.1 percent of original size 154 [2021-03-25 19:43:11,251 INFO L142 QuantifierPusher]: treesize reduction 8, result has 95.1 percent of original size [2021-03-25 19:43:11,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-03-25 19:43:11,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:11,342 INFO L628 ElimStorePlain]: treesize reduction 82, result has 46.8 percent of original size [2021-03-25 19:43:11,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,343 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:11,343 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:72 [2021-03-25 19:43:11,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:11,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-03-25 19:43:11,398 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 19:43:11,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:11,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 19:43:11,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335217940] [2021-03-25 19:43:11,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 19:43:11,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:11,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 19:43:11,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-03-25 19:43:11,399 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:11,400 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 19:43:11,400 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:11,400 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:11,400 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:11,675 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2021-03-25 19:43:11,918 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 19:43:11,918 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:11,918 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:11,918 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:11,918 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:11,953 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 19:43:11,953 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:11,953 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:11,953 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:11,953 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:11,957 INFO L382 tUnfolder$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 19:43:11,957 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:11,957 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:11,957 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:11,957 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:12,175 INFO L129 PetriNetUnfolder]: 1138/2252 cut-off events. [2021-03-25 19:43:12,175 INFO L130 PetriNetUnfolder]: For 18534/18697 co-relation queries the response was YES. [2021-03-25 19:43:12,187 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 19:43:12,217 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 480 selfloop transitions, 177 changer transitions 0/669 dead transitions. [2021-03-25 19:43:12,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 669 transitions, 17077 flow [2021-03-25 19:43:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 19:43:12,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 19:43:12,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 371 transitions. [2021-03-25 19:43:12,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6418685121107266 [2021-03-25 19:43:12,232 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 371 transitions. [2021-03-25 19:43:12,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 371 transitions. [2021-03-25 19:43:12,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:12,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 371 transitions. [2021-03-25 19:43:12,232 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 19:43:12,233 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 19:43:12,233 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 19:43:12,233 INFO L185 Difference]: Start difference. First operand has 168 places, 601 transitions, 13937 flow. Second operand 17 states and 371 transitions. [2021-03-25 19:43:12,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 669 transitions, 17077 flow [2021-03-25 19:43:12,437 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 19:43:12,451 INFO L241 Difference]: Finished difference. Result has 178 places, 669 transitions, 16144 flow [2021-03-25 19:43:12,452 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 19:43:12,452 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 151 predicate places. [2021-03-25 19:43:12,452 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:12,452 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 669 transitions, 16144 flow [2021-03-25 19:43:12,453 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 669 transitions, 16144 flow [2021-03-25 19:43:12,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 669 transitions, 16144 flow [2021-03-25 19:43:12,546 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][343], [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, 21#L79true, Black: 218#(<= 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)))), 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: 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 19:43:12,546 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:12,546 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:12,546 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:12,546 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:12,563 INFO L382 tUnfolder$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][359], [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: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 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: 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: 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 19:43:12,563 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:12,563 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:12,563 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:12,563 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:12,684 INFO L129 PetriNetUnfolder]: 1115/2167 cut-off events. [2021-03-25 19:43:12,684 INFO L130 PetriNetUnfolder]: For 18274/18399 co-relation queries the response was YES. [2021-03-25 19:43:12,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17158 conditions, 2167 events. 1115/2167 cut-off events. For 18274/18399 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 15294 event pairs, 0 based on Foata normal form. 2/2058 useless extension candidates. Maximal degree in co-relation 16650. Up to 385 conditions per place. [2021-03-25 19:43:12,721 INFO L142 LiptonReduction]: Number of co-enabled transitions 6672 [2021-03-25 19:43:12,775 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:12,775 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:12,775 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 323 [2021-03-25 19:43:12,775 INFO L480 AbstractCegarLoop]: Abstraction has has 178 places, 669 transitions, 16144 flow [2021-03-25 19:43:12,775 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 19:43:12,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:12,775 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 19:43:12,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2021-03-25 19:43:12,990 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:12,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:12,990 INFO L82 PathProgramCache]: Analyzing trace with hash 492832063, now seen corresponding path program 6 times [2021-03-25 19:43:12,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:12,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378734351] [2021-03-25 19:43:12,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:13,015 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 19:43:13,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:13,019 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 19:43:13,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:13,023 INFO L142 QuantifierPusher]: treesize reduction 19, result has 34.5 percent of original size [2021-03-25 19:43:13,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:13,028 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 19:43:13,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:13,032 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 19:43:13,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:13,038 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-25 19:43:13,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:13,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:13,045 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 19:43:13,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378734351] [2021-03-25 19:43:13,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273427334] [2021-03-25 19:43:13,046 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 19:43:13,068 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-25 19:43:13,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:13,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-25 19:43:13,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:13,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:13,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:13,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:13,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:13,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:13,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:13,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:13,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,090 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:13,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:13,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:13,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:13,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:13,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:13,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:13,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:13,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:13,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:13,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:13,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:13,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:13,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:13,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:13,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,117 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:13,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:13,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:13,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:13,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:13,130 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 19:43:13,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:13,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 12 [2021-03-25 19:43:13,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346112215] [2021-03-25 19:43:13,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 19:43:13,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:13,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 19:43:13,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-03-25 19:43:13,131 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 19:43:13,132 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 19:43:13,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:13,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 19:43:13,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:13,258 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 19:43:13,258 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:13,258 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:13,258 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:13,258 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:13,299 INFO L382 tUnfolder$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 19:43:13,299 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:13,299 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:13,299 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:13,299 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:13,549 INFO L129 PetriNetUnfolder]: 1225/2419 cut-off events. [2021-03-25 19:43:13,549 INFO L130 PetriNetUnfolder]: For 19936/20062 co-relation queries the response was YES. [2021-03-25 19:43:13,564 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 19:43:13,597 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 364 selfloop transitions, 353 changer transitions 0/729 dead transitions. [2021-03-25 19:43:13,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 729 transitions, 18642 flow [2021-03-25 19:43:13,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:43:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:43:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 213 transitions. [2021-03-25 19:43:13,598 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.696078431372549 [2021-03-25 19:43:13,598 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 213 transitions. [2021-03-25 19:43:13,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 213 transitions. [2021-03-25 19:43:13,598 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:13,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 213 transitions. [2021-03-25 19:43:13,598 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 19:43:13,599 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 19:43:13,599 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 19:43:13,599 INFO L185 Difference]: Start difference. First operand has 178 places, 669 transitions, 16144 flow. Second operand 9 states and 213 transitions. [2021-03-25 19:43:13,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 729 transitions, 18642 flow [2021-03-25 19:43:13,731 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 19:43:13,743 INFO L241 Difference]: Finished difference. Result has 179 places, 723 transitions, 17799 flow [2021-03-25 19:43:13,744 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 19:43:13,744 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 152 predicate places. [2021-03-25 19:43:13,744 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:13,744 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 723 transitions, 17799 flow [2021-03-25 19:43:13,744 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 723 transitions, 17799 flow [2021-03-25 19:43:13,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 723 transitions, 17799 flow [2021-03-25 19:43:13,800 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][369], [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, 21#L79true, Black: 218#(<= 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)))), 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)), 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 19:43:13,800 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:13,800 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:13,800 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:13,800 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:13,833 INFO L382 tUnfolder$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][386], [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, 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), 29#L23true, Black: 1357#(or (not (= i2 i1)) (and (or (< s1 (+ s2 1)) (not (= i2 n))) (or (not (= i2 n)) (<= s2 s1)))), 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: 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)), 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 19:43:13,833 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:13,834 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:13,834 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:13,834 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:13,938 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[][433], [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)), Black: 348#(<= i2 i1), 403#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 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, 1438#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: 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)), 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 19:43:13,938 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-25 19:43:13,938 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:13,938 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:13,938 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:13,976 INFO L129 PetriNetUnfolder]: 1210/2343 cut-off events. [2021-03-25 19:43:13,976 INFO L130 PetriNetUnfolder]: For 19153/19276 co-relation queries the response was YES. [2021-03-25 19:43:13,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18925 conditions, 2343 events. 1210/2343 cut-off events. For 19153/19276 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 16867 event pairs, 0 based on Foata normal form. 2/2223 useless extension candidates. Maximal degree in co-relation 18416. Up to 441 conditions per place. [2021-03-25 19:43:14,014 INFO L142 LiptonReduction]: Number of co-enabled transitions 7236 [2021-03-25 19:43:14,081 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:14,082 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:14,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 338 [2021-03-25 19:43:14,082 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 723 transitions, 17799 flow [2021-03-25 19:43:14,082 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 19:43:14,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:14,082 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 19:43:14,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:14,296 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:14,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:14,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1406977508, now seen corresponding path program 7 times [2021-03-25 19:43:14,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:14,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463450888] [2021-03-25 19:43:14,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:14,337 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-25 19:43:14,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:14,349 INFO L142 QuantifierPusher]: treesize reduction 39, result has 51.2 percent of original size [2021-03-25 19:43:14,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 19:43:14,365 INFO L142 QuantifierPusher]: treesize reduction 50, result has 41.2 percent of original size [2021-03-25 19:43:14,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:43:14,395 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-25 19:43:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 19:43:14,415 INFO L142 QuantifierPusher]: treesize reduction 39, result has 40.0 percent of original size [2021-03-25 19:43:14,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:14,426 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 19:43:14,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:14,452 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 19:43:14,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463450888] [2021-03-25 19:43:14,453 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482803729] [2021-03-25 19:43:14,453 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 19:43:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:14,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 19:43:14,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:14,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:14,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:14,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,495 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-25 19:43:14,495 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-25 19:43:14,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:14,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:14,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,503 INFO L147 QuantifierPusher]: treesize reduction 1, result has 96.0 percent of original size 24 [2021-03-25 19:43:14,504 INFO L142 QuantifierPusher]: treesize reduction 1, result has 96.2 percent of original size [2021-03-25 19:43:14,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:14,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:14,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:14,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,515 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size 30 [2021-03-25 19:43:14,515 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.2 percent of original size [2021-03-25 19:43:14,516 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size 32 [2021-03-25 19:43:14,516 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-03-25 19:43:14,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:14,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:14,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,528 INFO L147 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size 38 [2021-03-25 19:43:14,528 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.9 percent of original size [2021-03-25 19:43:14,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:43:14,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:43:14,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:43:14,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,543 INFO L147 QuantifierPusher]: treesize reduction 4, result has 93.1 percent of original size 54 [2021-03-25 19:43:14,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.2 percent of original size [2021-03-25 19:43:14,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 19:43:14,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 19:43:14,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 19:43:14,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:14,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:14,561 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:43:14,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:14,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:14,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:14,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:14,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:14,580 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,581 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 19:43:14,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:14,582 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 19:43:14,582 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:14,582 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:14,583 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,583 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:14,583 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:14,584 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,584 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:14,584 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:14,584 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,586 INFO L147 QuantifierPusher]: treesize reduction 35, result has 67.6 percent of original size 73 [2021-03-25 19:43:14,586 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:14,586 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:14,587 INFO L142 QuantifierPusher]: treesize reduction 45, result has 66.9 percent of original size [2021-03-25 19:43:14,587 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:14,588 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:14,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,605 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.2 percent of original size 47 [2021-03-25 19:43:14,606 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-25 19:43:14,606 INFO L147 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size 108 [2021-03-25 19:43:14,607 INFO L142 QuantifierPusher]: treesize reduction 4, result has 96.4 percent of original size [2021-03-25 19:43:14,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-03-25 19:43:14,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:14,686 INFO L628 ElimStorePlain]: treesize reduction 49, result has 54.6 percent of original size [2021-03-25 19:43:14,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,687 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:14,687 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:59 [2021-03-25 19:43:14,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:14,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 19:43:14,732 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 19:43:14,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:14,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 19:43:14,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662595988] [2021-03-25 19:43:14,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 19:43:14,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:14,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 19:43:14,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-03-25 19:43:14,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:14,733 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 19:43:14,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:14,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:14,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:15,226 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 19:43:15,226 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:15,226 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:15,227 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:15,227 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:15,271 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 19:43:15,272 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:15,272 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:15,272 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:15,272 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:15,294 INFO L382 tUnfolder$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 19:43:15,294 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:15,294 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:15,294 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:15,295 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:15,336 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 19:43:15,336 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:43:15,336 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:15,336 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:15,336 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:43:15,583 INFO L129 PetriNetUnfolder]: 1339/2651 cut-off events. [2021-03-25 19:43:15,583 INFO L130 PetriNetUnfolder]: For 22179/22355 co-relation queries the response was YES. [2021-03-25 19:43:15,599 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 19:43:15,621 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 558 selfloop transitions, 217 changer transitions 0/787 dead transitions. [2021-03-25 19:43:15,621 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 787 transitions, 20833 flow [2021-03-25 19:43:15,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 19:43:15,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 19:43:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 398 transitions. [2021-03-25 19:43:15,622 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6503267973856209 [2021-03-25 19:43:15,622 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 398 transitions. [2021-03-25 19:43:15,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 398 transitions. [2021-03-25 19:43:15,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:15,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 398 transitions. [2021-03-25 19:43:15,623 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 19:43:15,624 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 19:43:15,624 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 19:43:15,624 INFO L185 Difference]: Start difference. First operand has 179 places, 723 transitions, 17799 flow. Second operand 18 states and 398 transitions. [2021-03-25 19:43:15,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 787 transitions, 20833 flow [2021-03-25 19:43:15,781 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 19:43:15,796 INFO L241 Difference]: Finished difference. Result has 194 places, 787 transitions, 19333 flow [2021-03-25 19:43:15,796 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 19:43:15,796 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 167 predicate places. [2021-03-25 19:43:15,796 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:15,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 787 transitions, 19333 flow [2021-03-25 19:43:15,797 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 194 places, 787 transitions, 19333 flow [2021-03-25 19:43:15,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 787 transitions, 19333 flow [2021-03-25 19:43:15,868 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][531], [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, 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))), 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: 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 19:43:15,868 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is cut-off event [2021-03-25 19:43:15,868 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:15,868 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-25 19:43:15,868 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:15,908 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][424], [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, 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: 1527#(or (not (= i2 n)) (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: 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 19:43:15,908 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:15,908 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:15,908 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:15,908 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:15,990 INFO L382 tUnfolder$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[][254], [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)))), 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), 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)), 23#L81true, 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, 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: 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))), 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: 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: 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 19:43:15,990 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-03-25 19:43:15,990 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:15,990 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:15,990 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:16,019 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[][254], [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)), Black: 348#(<= i2 i1), 403#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 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, 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: 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))), 76#(<= (+ i2 1) i1), Black: 1527#(or (not (= i2 n)) (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: 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 19:43:16,019 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-25 19:43:16,019 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:16,019 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:16,019 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:16,070 INFO L129 PetriNetUnfolder]: 1324/2565 cut-off events. [2021-03-25 19:43:16,070 INFO L130 PetriNetUnfolder]: For 21299/21432 co-relation queries the response was YES. [2021-03-25 19:43:16,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20654 conditions, 2565 events. 1324/2565 cut-off events. For 21299/21432 co-relation queries the response was YES. Maximal size of possible extension queue 238. Compared 18798 event pairs, 0 based on Foata normal form. 2/2449 useless extension candidates. Maximal degree in co-relation 20060. Up to 473 conditions per place. [2021-03-25 19:43:16,115 INFO L142 LiptonReduction]: Number of co-enabled transitions 7890 [2021-03-25 19:43:16,197 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:16,198 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:16,198 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 402 [2021-03-25 19:43:16,198 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 787 transitions, 19333 flow [2021-03-25 19:43:16,198 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 19:43:16,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:16,198 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 19:43:16,412 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:16,413 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:16,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:16,413 INFO L82 PathProgramCache]: Analyzing trace with hash -318368322, now seen corresponding path program 8 times [2021-03-25 19:43:16,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:16,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649307439] [2021-03-25 19:43:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:16,428 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 19:43:16,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:16,439 INFO L142 QuantifierPusher]: treesize reduction 45, result has 40.0 percent of original size [2021-03-25 19:43:16,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:43:16,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:43:16,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 19:43:16,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:16,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 19:43:16,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:16,489 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 19:43:16,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649307439] [2021-03-25 19:43:16,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [886100467] [2021-03-25 19:43:16,489 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 19:43:16,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 19:43:16,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:16,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 19:43:16,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:16,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:16,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:16,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:16,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:16,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:16,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,531 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size 28 [2021-03-25 19:43:16,532 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.9 percent of original size [2021-03-25 19:43:16,532 INFO L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-03-25 19:43:16,532 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-03-25 19:43:16,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:16,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:16,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:43:16,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,542 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 19:43:16,542 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 19:43:16,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:16,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:16,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:43:16,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,552 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-25 19:43:16,552 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 19:43:16,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:16,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:16,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:16,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:16,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:16,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:16,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,564 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size 30 [2021-03-25 19:43:16,564 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 19:43:16,565 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size 22 [2021-03-25 19:43:16,565 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-25 19:43:16,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:16,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:16,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,576 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 19:43:16,576 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-25 19:43:16,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:16,577 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:43:16,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:16,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:16,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:16,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:16,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:16,604 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,604 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 19:43:16,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:16,605 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 19:43:16,606 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:16,606 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:16,606 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,607 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:16,607 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:16,607 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,608 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:16,608 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:16,608 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,609 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.0 percent of original size 88 [2021-03-25 19:43:16,609 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:16,610 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:16,610 INFO L142 QuantifierPusher]: treesize reduction 68, result has 68.7 percent of original size [2021-03-25 19:43:16,611 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:16,611 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:16,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,612 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-25 19:43:16,613 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:16,613 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:16,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,614 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 52 [2021-03-25 19:43:16,615 INFO L147 QuantifierPusher]: treesize reduction -3, result has 101.4 percent of original size 215 [2021-03-25 19:43:16,616 INFO L147 QuantifierPusher]: treesize reduction -3, result has 101.4 percent of original size 215 [2021-03-25 19:43:16,617 INFO L142 QuantifierPusher]: treesize reduction -3, result has 101.4 percent of original size [2021-03-25 19:43:16,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-03-25 19:43:16,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:16,727 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39 [2021-03-25 19:43:16,728 INFO L628 ElimStorePlain]: treesize reduction 118, result has 45.1 percent of original size [2021-03-25 19:43:16,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,729 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:16,729 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:97 [2021-03-25 19:43:16,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:16,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-03-25 19:43:16,797 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 19:43:16,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:16,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2021-03-25 19:43:16,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639689749] [2021-03-25 19:43:16,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 19:43:16,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:16,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 19:43:16,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-03-25 19:43:16,798 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:16,799 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 19:43:16,799 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:16,799 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:16,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:17,243 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 19:43:17,243 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:17,243 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:17,243 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:17,243 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:17,462 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 19:43:17,462 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-25 19:43:17,462 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:17,462 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:17,462 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:17,566 INFO L129 PetriNetUnfolder]: 1588/3150 cut-off events. [2021-03-25 19:43:17,566 INFO L130 PetriNetUnfolder]: For 24051/24235 co-relation queries the response was YES. [2021-03-25 19:43:17,587 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 19:43:17,610 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 389 selfloop transitions, 526 changer transitions 0/927 dead transitions. [2021-03-25 19:43:17,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 927 transitions, 23827 flow [2021-03-25 19:43:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 19:43:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 19:43:17,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 356 transitions. [2021-03-25 19:43:17,627 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6544117647058824 [2021-03-25 19:43:17,628 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 356 transitions. [2021-03-25 19:43:17,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 356 transitions. [2021-03-25 19:43:17,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:17,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 356 transitions. [2021-03-25 19:43:17,628 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 19:43:17,630 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 19:43:17,630 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 19:43:17,630 INFO L185 Difference]: Start difference. First operand has 194 places, 787 transitions, 19333 flow. Second operand 16 states and 356 transitions. [2021-03-25 19:43:17,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 927 transitions, 23827 flow [2021-03-25 19:43:17,864 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 19:43:17,881 INFO L241 Difference]: Finished difference. Result has 205 places, 927 transitions, 23645 flow [2021-03-25 19:43:17,882 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 19:43:17,882 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 178 predicate places. [2021-03-25 19:43:17,882 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:17,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 927 transitions, 23645 flow [2021-03-25 19:43:17,882 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 927 transitions, 23645 flow [2021-03-25 19:43:17,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 927 transitions, 23645 flow [2021-03-25 19:43:18,016 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][513], [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, 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))))), 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 19:43:18,016 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:18,016 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:18,016 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:18,016 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:18,262 INFO L129 PetriNetUnfolder]: 1522/2969 cut-off events. [2021-03-25 19:43:18,262 INFO L130 PetriNetUnfolder]: For 25625/25754 co-relation queries the response was YES. [2021-03-25 19:43:18,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25190 conditions, 2969 events. 1522/2969 cut-off events. For 25625/25754 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 22310 event pairs, 0 based on Foata normal form. 2/2833 useless extension candidates. Maximal degree in co-relation 24583. Up to 569 conditions per place. [2021-03-25 19:43:18,332 INFO L142 LiptonReduction]: Number of co-enabled transitions 9360 [2021-03-25 19:43:18,451 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:18,451 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:18,451 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 569 [2021-03-25 19:43:18,452 INFO L480 AbstractCegarLoop]: Abstraction has has 205 places, 927 transitions, 23645 flow [2021-03-25 19:43:18,452 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 19:43:18,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:18,452 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 19:43:18,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-03-25 19:43:18,656 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:18,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:18,656 INFO L82 PathProgramCache]: Analyzing trace with hash 434122472, now seen corresponding path program 8 times [2021-03-25 19:43:18,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:18,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916152019] [2021-03-25 19:43:18,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:18,700 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 19:43:18,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:18,711 INFO L142 QuantifierPusher]: treesize reduction 35, result has 47.8 percent of original size [2021-03-25 19:43:18,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:18,719 INFO L142 QuantifierPusher]: treesize reduction 55, result has 38.9 percent of original size [2021-03-25 19:43:18,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:43:18,737 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-03-25 19:43:18,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 19:43:18,751 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-25 19:43:18,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:18,764 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 19:43:18,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:18,782 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 19:43:18,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916152019] [2021-03-25 19:43:18,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16808071] [2021-03-25 19:43:18,782 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 19:43:18,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 19:43:18,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:18,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 19:43:18,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:18,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:18,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:18,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:18,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:18,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:18,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:18,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,824 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-25 19:43:18,824 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-25 19:43:18,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:18,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:18,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,835 INFO L147 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size 21 [2021-03-25 19:43:18,835 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-25 19:43:18,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:18,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:18,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:18,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:18,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:18,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:18,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:18,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:43:18,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:18,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:18,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:18,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,862 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-25 19:43:18,862 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-25 19:43:18,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:18,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:18,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:18,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,876 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 19:43:18,876 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-25 19:43:18,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:18,876 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:43:18,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:18,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:18,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:18,895 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,895 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 19:43:18,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:18,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 19:43:18,897 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:18,897 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:18,897 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,897 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:18,898 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:18,898 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,898 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:18,898 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:18,899 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,900 INFO L147 QuantifierPusher]: treesize reduction 14, result has 86.3 percent of original size 88 [2021-03-25 19:43:18,900 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:18,900 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,900 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:18,901 INFO L142 QuantifierPusher]: treesize reduction 54, result has 75.6 percent of original size [2021-03-25 19:43:18,901 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:18,902 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,902 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:18,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,903 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-25 19:43:18,903 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:18,903 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:18,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:18,904 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 52 [2021-03-25 19:43:18,905 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-25 19:43:18,906 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-25 19:43:18,907 INFO L142 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size [2021-03-25 19:43:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-03-25 19:43:18,908 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:19,099 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2021-03-25 19:43:19,100 INFO L628 ElimStorePlain]: treesize reduction 131, result has 39.1 percent of original size [2021-03-25 19:43:19,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,102 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:19,102 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:84 [2021-03-25 19:43:19,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:19,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:19,182 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 19:43:19,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:19,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 19:43:19,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231485834] [2021-03-25 19:43:19,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 19:43:19,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:19,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 19:43:19,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-03-25 19:43:19,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:19,183 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 19:43:19,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:19,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:19,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:19,838 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 19:43:19,838 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:19,838 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:19,838 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:19,838 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:20,292 INFO L129 PetriNetUnfolder]: 1659/3307 cut-off events. [2021-03-25 19:43:20,292 INFO L130 PetriNetUnfolder]: For 27204/27308 co-relation queries the response was YES. [2021-03-25 19:43:20,309 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 19:43:20,330 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 784 selfloop transitions, 179 changer transitions 0/975 dead transitions. [2021-03-25 19:43:20,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 975 transitions, 26813 flow [2021-03-25 19:43:20,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 19:43:20,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 19:43:20,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 370 transitions. [2021-03-25 19:43:20,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6401384083044983 [2021-03-25 19:43:20,331 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 370 transitions. [2021-03-25 19:43:20,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 370 transitions. [2021-03-25 19:43:20,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:20,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 370 transitions. [2021-03-25 19:43:20,332 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 19:43:20,333 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 19:43:20,333 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 19:43:20,333 INFO L185 Difference]: Start difference. First operand has 205 places, 927 transitions, 23645 flow. Second operand 17 states and 370 transitions. [2021-03-25 19:43:20,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 975 transitions, 26813 flow [2021-03-25 19:43:20,556 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 19:43:20,574 INFO L241 Difference]: Finished difference. Result has 217 places, 975 transitions, 25247 flow [2021-03-25 19:43:20,575 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 19:43:20,575 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 190 predicate places. [2021-03-25 19:43:20,575 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:20,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 217 places, 975 transitions, 25247 flow [2021-03-25 19:43:20,575 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 217 places, 975 transitions, 25247 flow [2021-03-25 19:43:20,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 217 places, 975 transitions, 25247 flow [2021-03-25 19:43:20,704 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][518], [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, 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), 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))), 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 19:43:20,704 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:20,704 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:20,704 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:20,704 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:20,938 INFO L129 PetriNetUnfolder]: 1620/3143 cut-off events. [2021-03-25 19:43:20,938 INFO L130 PetriNetUnfolder]: For 26881/26918 co-relation queries the response was YES. [2021-03-25 19:43:20,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26904 conditions, 3143 events. 1620/3143 cut-off events. For 26881/26918 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 24025 event pairs, 0 based on Foata normal form. 0/3002 useless extension candidates. Maximal degree in co-relation 26294. Up to 601 conditions per place. [2021-03-25 19:43:21,000 INFO L142 LiptonReduction]: Number of co-enabled transitions 9864 [2021-03-25 19:43:21,199 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:21,199 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:21,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 624 [2021-03-25 19:43:21,199 INFO L480 AbstractCegarLoop]: Abstraction has has 217 places, 975 transitions, 25247 flow [2021-03-25 19:43:21,200 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 19:43:21,200 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:21,200 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 19:43:21,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:21,414 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:21,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:21,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1195143958, now seen corresponding path program 9 times [2021-03-25 19:43:21,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:21,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512854910] [2021-03-25 19:43:21,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:21,431 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 19:43:21,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:21,445 INFO L142 QuantifierPusher]: treesize reduction 35, result has 47.8 percent of original size [2021-03-25 19:43:21,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:21,453 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size [2021-03-25 19:43:21,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 19:43:21,463 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-03-25 19:43:21,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 19:43:21,477 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-25 19:43:21,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:21,490 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 19:43:21,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:21,509 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 19:43:21,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512854910] [2021-03-25 19:43:21,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692537260] [2021-03-25 19:43:21,509 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 19:43:21,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-25 19:43:21,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:21,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 19:43:21,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:21,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:21,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:21,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:21,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:21,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:21,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:21,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:21,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:21,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:21,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:21,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,574 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 19:43:21,574 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 19:43:21,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:21,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:21,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:21,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,587 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size 23 [2021-03-25 19:43:21,587 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-25 19:43:21,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:21,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:21,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:21,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:21,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:21,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:21,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,616 INFO L147 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size 27 [2021-03-25 19:43:21,616 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 19:43:21,616 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 19:43:21,617 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-03-25 19:43:21,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:43:21,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:43:21,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:21,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,634 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-25 19:43:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:43:21,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:43:21,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:43:21,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:43:21,697 INFO L354 Elim1Store]: treesize reduction 20, result has 79.4 percent of original size [2021-03-25 19:43:21,697 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 19:43:21,698 INFO L142 QuantifierPusher]: treesize reduction 8, result has 91.1 percent of original size [2021-03-25 19:43:21,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,699 INFO L142 QuantifierPusher]: treesize reduction 19, result has 80.0 percent of original size [2021-03-25 19:43:21,700 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2021-03-25 19:43:21,700 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 19:43:21,701 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,701 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2021-03-25 19:43:21,701 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:43:21,702 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,702 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:21,702 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:21,703 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,703 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:21,703 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:21,704 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,704 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:21,704 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,704 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,706 INFO L147 QuantifierPusher]: treesize reduction 72, result has 73.6 percent of original size 201 [2021-03-25 19:43:21,707 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:21,707 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,709 INFO L142 QuantifierPusher]: treesize reduction 177, result has 70.3 percent of original size [2021-03-25 19:43:21,710 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,710 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,712 INFO L142 QuantifierPusher]: treesize reduction 139, result has 65.4 percent of original size [2021-03-25 19:43:21,713 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,713 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,714 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-25 19:43:21,714 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.8 percent of original size 22 [2021-03-25 19:43:21,714 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,715 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,715 INFO L142 QuantifierPusher]: treesize reduction 11, result has 69.4 percent of original size [2021-03-25 19:43:21,716 INFO L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-03-25 19:43:21,716 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:21,716 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,717 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.9 percent of original size [2021-03-25 19:43:21,717 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,718 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,718 INFO L142 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size [2021-03-25 19:43:21,719 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.0 percent of original size 26 [2021-03-25 19:43:21,719 INFO L147 QuantifierPusher]: treesize reduction -2, result has 103.6 percent of original size 58 [2021-03-25 19:43:21,721 INFO L147 QuantifierPusher]: treesize reduction 25, result has 91.7 percent of original size 278 [2021-03-25 19:43:21,721 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,722 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,723 INFO L142 QuantifierPusher]: treesize reduction 5, result has 97.8 percent of original size [2021-03-25 19:43:21,724 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:43:21,724 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,725 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:21,726 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,726 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,726 INFO L142 QuantifierPusher]: treesize reduction 29, result has 77.2 percent of original size [2021-03-25 19:43:21,727 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,727 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,727 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,728 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-03-25 19:43:21,728 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-25 19:43:21,729 INFO L147 QuantifierPusher]: treesize reduction 6, result has 94.1 percent of original size 95 [2021-03-25 19:43:21,729 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:21,729 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:21,730 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,730 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:21,731 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,731 INFO L142 QuantifierPusher]: treesize reduction 29, result has 64.2 percent of original size [2021-03-25 19:43:21,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 19:43:21,732 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:21,732 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:21,733 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,733 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:21,733 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,733 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,735 INFO L147 QuantifierPusher]: treesize reduction 50, result has 72.5 percent of original size 132 [2021-03-25 19:43:21,736 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,736 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,737 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,738 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,739 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 1] term [2021-03-25 19:43:21,739 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,740 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,740 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:21,741 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,741 INFO L142 QuantifierPusher]: treesize reduction 8, result has 90.0 percent of original size [2021-03-25 19:43:21,742 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,742 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,742 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:21,744 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:21,744 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,745 INFO L142 QuantifierPusher]: treesize reduction 13, result has 83.5 percent of original size [2021-03-25 19:43:21,746 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.5 percent of original size 68 [2021-03-25 19:43:21,746 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.2 percent of original size 87 [2021-03-25 19:43:21,750 INFO L147 QuantifierPusher]: treesize reduction 12, result has 89.5 percent of original size 102 [2021-03-25 19:43:21,750 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:43:21,751 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,752 INFO L142 QuantifierPusher]: treesize reduction 12, result has 91.1 percent of original size [2021-03-25 19:43:21,752 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:21,752 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,754 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,754 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,756 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size 24 [2021-03-25 19:43:21,756 INFO L147 QuantifierPusher]: treesize reduction 11, result has 82.8 percent of original size 53 [2021-03-25 19:43:21,757 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:21,758 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,758 INFO L142 QuantifierPusher]: treesize reduction 13, result has 86.6 percent of original size [2021-03-25 19:43:21,759 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:21,759 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:21,760 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-03-25 19:43:21,760 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-25 19:43:21,761 INFO L147 QuantifierPusher]: treesize reduction 6, result has 92.6 percent of original size 75 [2021-03-25 19:43:21,762 INFO L147 QuantifierPusher]: treesize reduction 23, result has 86.1 percent of original size 143 [2021-03-25 19:43:21,763 INFO L147 QuantifierPusher]: treesize reduction 35, result has 87.7 percent of original size 250 [2021-03-25 19:43:21,765 INFO L147 QuantifierPusher]: treesize reduction 85, result has 82.5 percent of original size 401 [2021-03-25 19:43:21,768 INFO L147 QuantifierPusher]: treesize reduction 110, result has 86.1 percent of original size 684 [2021-03-25 19:43:21,771 INFO L147 QuantifierPusher]: treesize reduction 110, result has 86.1 percent of original size 684 [2021-03-25 19:43:21,775 INFO L142 QuantifierPusher]: treesize reduction 110, result has 86.1 percent of original size [2021-03-25 19:43:21,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 684 [2021-03-25 19:43:21,778 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-25 19:43:21,870 INFO L628 ElimStorePlain]: treesize reduction 676, result has 1.2 percent of original size [2021-03-25 19:43:21,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,871 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:21,871 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:29, output treesize:8 [2021-03-25 19:43:21,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:21,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:21,899 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 19:43:21,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:21,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 19:43:21,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065114822] [2021-03-25 19:43:21,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 19:43:21,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:21,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 19:43:21,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-03-25 19:43:21,900 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:21,901 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 19:43:21,901 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:21,901 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:21,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:22,541 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 19:43:22,541 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:22,541 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:22,542 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:22,542 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:22,616 INFO L382 tUnfolder$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 19:43:22,616 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:43:22,616 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:22,616 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:43:22,616 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:23,011 INFO L129 PetriNetUnfolder]: 1681/3353 cut-off events. [2021-03-25 19:43:23,011 INFO L130 PetriNetUnfolder]: For 28558/28690 co-relation queries the response was YES. [2021-03-25 19:43:23,029 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 19:43:23,054 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 856 selfloop transitions, 127 changer transitions 0/995 dead transitions. [2021-03-25 19:43:23,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 995 transitions, 27511 flow [2021-03-25 19:43:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 19:43:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 19:43:23,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 370 transitions. [2021-03-25 19:43:23,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6401384083044983 [2021-03-25 19:43:23,055 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 370 transitions. [2021-03-25 19:43:23,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 370 transitions. [2021-03-25 19:43:23,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:23,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 370 transitions. [2021-03-25 19:43:23,055 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 19:43:23,056 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 19:43:23,056 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 19:43:23,056 INFO L185 Difference]: Start difference. First operand has 217 places, 975 transitions, 25247 flow. Second operand 17 states and 370 transitions. [2021-03-25 19:43:23,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 995 transitions, 27511 flow [2021-03-25 19:43:23,295 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 19:43:23,313 INFO L241 Difference]: Finished difference. Result has 229 places, 995 transitions, 25762 flow [2021-03-25 19:43:23,314 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 19:43:23,314 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 202 predicate places. [2021-03-25 19:43:23,315 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:23,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 995 transitions, 25762 flow [2021-03-25 19:43:23,316 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 995 transitions, 25762 flow [2021-03-25 19:43:23,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 229 places, 995 transitions, 25762 flow [2021-03-25 19:43:23,458 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][513], [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), 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: 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))), 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))), 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 19:43:23,458 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:23,458 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:23,458 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:23,458 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:23,699 INFO L129 PetriNetUnfolder]: 1622/3179 cut-off events. [2021-03-25 19:43:23,699 INFO L130 PetriNetUnfolder]: For 27937/27984 co-relation queries the response was YES. [2021-03-25 19:43:23,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27420 conditions, 3179 events. 1622/3179 cut-off events. For 27937/27984 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 24451 event pairs, 0 based on Foata normal form. 1/3040 useless extension candidates. Maximal degree in co-relation 26806. Up to 609 conditions per place. [2021-03-25 19:43:23,761 INFO L142 LiptonReduction]: Number of co-enabled transitions 10074 [2021-03-25 19:43:23,888 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:23,888 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:23,889 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 574 [2021-03-25 19:43:23,889 INFO L480 AbstractCegarLoop]: Abstraction has has 229 places, 995 transitions, 25762 flow [2021-03-25 19:43:23,889 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 19:43:23,889 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:23,889 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 19:43:24,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-03-25 19:43:24,103 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:24,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:24,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1616481878, now seen corresponding path program 1 times [2021-03-25 19:43:24,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:24,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064449472] [2021-03-25 19:43:24,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:24,122 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 19:43:24,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:24,133 INFO L142 QuantifierPusher]: treesize reduction 39, result has 51.9 percent of original size [2021-03-25 19:43:24,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 19:43:24,153 INFO L142 QuantifierPusher]: treesize reduction 54, result has 39.3 percent of original size [2021-03-25 19:43:24,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:43:24,172 INFO L142 QuantifierPusher]: treesize reduction 71, result has 43.7 percent of original size [2021-03-25 19:43:24,174 INFO L147 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-03-25 19:43:24,198 INFO L142 QuantifierPusher]: treesize reduction 45, result has 36.6 percent of original size [2021-03-25 19:43:24,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:24,211 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 19:43:24,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:24,227 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 19:43:24,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064449472] [2021-03-25 19:43:24,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103422396] [2021-03-25 19:43:24,227 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 19:43:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:24,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 19:43:24,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:24,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:24,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:24,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:24,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:24,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:24,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,268 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-03-25 19:43:24,268 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 19:43:24,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:24,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:24,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:24,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,277 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size 26 [2021-03-25 19:43:24,278 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-03-25 19:43:24,278 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 19:43:24,278 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 19:43:24,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:24,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:24,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,289 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 19:43:24,289 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-25 19:43:24,289 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-25 19:43:24,289 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:43:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:24,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:24,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,299 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 19:43:24,299 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 19:43:24,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:24,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:24,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:24,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:24,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,312 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:24,312 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:43:24,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:24,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:24,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:24,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:24,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:24,331 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,331 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 19:43:24,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:24,332 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 19:43:24,333 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:24,333 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:24,333 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,334 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:24,334 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:24,334 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,334 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:24,334 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:24,335 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,336 INFO L147 QuantifierPusher]: treesize reduction 14, result has 86.3 percent of original size 88 [2021-03-25 19:43:24,336 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:24,336 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:24,337 INFO L142 QuantifierPusher]: treesize reduction 54, result has 75.6 percent of original size [2021-03-25 19:43:24,337 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:24,338 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:24,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,339 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.0 percent of original size 52 [2021-03-25 19:43:24,339 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:24,339 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:24,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,340 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-25 19:43:24,341 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-25 19:43:24,342 INFO L147 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size 215 [2021-03-25 19:43:24,343 INFO L142 QuantifierPusher]: treesize reduction 32, result has 87.0 percent of original size [2021-03-25 19:43:24,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-03-25 19:43:24,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:24,463 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2021-03-25 19:43:24,464 INFO L628 ElimStorePlain]: treesize reduction 131, result has 39.1 percent of original size [2021-03-25 19:43:24,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:24,465 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:84 [2021-03-25 19:43:24,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:24,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-03-25 19:43:24,523 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 19:43:24,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:24,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-03-25 19:43:24,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602253441] [2021-03-25 19:43:24,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 19:43:24,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:24,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 19:43:24,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-03-25 19:43:24,524 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:24,524 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 19:43:24,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:24,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:24,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:24,910 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2021-03-25 19:43:25,121 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 19:43:25,122 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:25,122 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:25,122 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:25,122 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:25,570 INFO L129 PetriNetUnfolder]: 1796/3585 cut-off events. [2021-03-25 19:43:25,571 INFO L130 PetriNetUnfolder]: For 30294/30478 co-relation queries the response was YES. [2021-03-25 19:43:25,596 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 19:43:25,620 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 840 selfloop transitions, 207 changer transitions 0/1059 dead transitions. [2021-03-25 19:43:25,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 244 places, 1059 transitions, 29596 flow [2021-03-25 19:43:25,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-25 19:43:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-25 19:43:25,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 349 transitions. [2021-03-25 19:43:25,621 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6415441176470589 [2021-03-25 19:43:25,621 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 349 transitions. [2021-03-25 19:43:25,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 349 transitions. [2021-03-25 19:43:25,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:25,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 349 transitions. [2021-03-25 19:43:25,621 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 19:43:25,622 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 19:43:25,622 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 19:43:25,622 INFO L185 Difference]: Start difference. First operand has 229 places, 995 transitions, 25762 flow. Second operand 16 states and 349 transitions. [2021-03-25 19:43:25,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 244 places, 1059 transitions, 29596 flow [2021-03-25 19:43:25,961 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 19:43:25,981 INFO L241 Difference]: Finished difference. Result has 238 places, 1059 transitions, 28023 flow [2021-03-25 19:43:25,982 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 19:43:25,982 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 211 predicate places. [2021-03-25 19:43:25,982 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:25,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 238 places, 1059 transitions, 28023 flow [2021-03-25 19:43:25,983 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 238 places, 1059 transitions, 28023 flow [2021-03-25 19:43:25,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 238 places, 1059 transitions, 28023 flow [2021-03-25 19:43:26,112 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][547], [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, 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))), 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 19:43:26,113 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:26,113 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:26,113 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:26,113 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:26,430 INFO L129 PetriNetUnfolder]: 1751/3410 cut-off events. [2021-03-25 19:43:26,430 INFO L130 PetriNetUnfolder]: For 29876/29913 co-relation queries the response was YES. [2021-03-25 19:43:26,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29840 conditions, 3410 events. 1751/3410 cut-off events. For 29876/29913 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 26528 event pairs, 0 based on Foata normal form. 0/3261 useless extension candidates. Maximal degree in co-relation 29305. Up to 665 conditions per place. [2021-03-25 19:43:26,498 INFO L142 LiptonReduction]: Number of co-enabled transitions 10746 [2021-03-25 19:43:26,661 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:26,661 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:26,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 679 [2021-03-25 19:43:26,661 INFO L480 AbstractCegarLoop]: Abstraction has has 238 places, 1059 transitions, 28023 flow [2021-03-25 19:43:26,661 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 19:43:26,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:26,661 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 19:43:26,875 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable144 [2021-03-25 19:43:26,876 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:26,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:26,876 INFO L82 PathProgramCache]: Analyzing trace with hash -789344370, now seen corresponding path program 10 times [2021-03-25 19:43:26,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:26,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061605924] [2021-03-25 19:43:26,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:26,925 INFO L142 QuantifierPusher]: treesize reduction 15, result has 46.4 percent of original size [2021-03-25 19:43:26,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:26,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:26,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:43:26,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:26,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:26,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:26,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:43:26,955 INFO L142 QuantifierPusher]: treesize reduction 39, result has 42.6 percent of original size [2021-03-25 19:43:26,956 INFO L147 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size 20 [2021-03-25 19:43:26,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:26,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:26,979 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 19:43:26,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:26,984 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 19:43:26,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061605924] [2021-03-25 19:43:26,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431170019] [2021-03-25 19:43:26,984 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 19:43:27,040 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 19:43:27,040 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:27,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-25 19:43:27,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:27,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:27,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:27,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:27,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:27,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:43:27,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,060 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 19:43:27,060 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 19:43:27,060 INFO L147 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size 16 [2021-03-25 19:43:27,061 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-25 19:43:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:27,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:43:27,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:27,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:27,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:27,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:43:27,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,083 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 19:43:27,083 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-25 19:43:27,083 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size 19 [2021-03-25 19:43:27,084 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-25 19:43:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:27,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:27,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,095 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 19:43:27,095 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 19:43:27,096 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size 22 [2021-03-25 19:43:27,096 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-03-25 19:43:27,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:27,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:27,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:27,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:27,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:27,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:27,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,111 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.3 percent of original size 28 [2021-03-25 19:43:27,111 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size [2021-03-25 19:43:27,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:27,112 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:43:27,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:27,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:27,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:27,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:27,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:27,132 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,132 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 19:43:27,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:27,134 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.5 percent of original size [2021-03-25 19:43:27,134 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:27,134 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:27,135 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,135 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:27,135 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:27,135 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,135 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:27,136 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:27,136 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,137 INFO L147 QuantifierPusher]: treesize reduction 13, result has 87.1 percent of original size 88 [2021-03-25 19:43:27,137 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:27,138 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:27,139 INFO L142 QuantifierPusher]: treesize reduction 64, result has 70.8 percent of original size [2021-03-25 19:43:27,139 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:27,139 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:27,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 19:43:27,141 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:27,141 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:27,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,142 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.3 percent of original size 44 [2021-03-25 19:43:27,143 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.5 percent of original size 203 [2021-03-25 19:43:27,143 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.5 percent of original size 203 [2021-03-25 19:43:27,145 INFO L142 QuantifierPusher]: treesize reduction -1, result has 100.5 percent of original size [2021-03-25 19:43:27,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 203 [2021-03-25 19:43:27,146 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:27,257 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 38 [2021-03-25 19:43:27,257 INFO L628 ElimStorePlain]: treesize reduction 114, result has 43.8 percent of original size [2021-03-25 19:43:27,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:27,258 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:89 [2021-03-25 19:43:27,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:27,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-25 19:43:27,325 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 19:43:27,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:27,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2021-03-25 19:43:27,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889533446] [2021-03-25 19:43:27,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 19:43:27,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:27,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 19:43:27,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-03-25 19:43:27,326 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:27,326 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 19:43:27,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:27,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:27,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:27,995 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 19:43:27,995 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:27,995 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:27,995 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:27,995 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:28,138 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 19:43:28,138 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:43:28,138 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:28,138 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:43:28,138 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:28,533 INFO L129 PetriNetUnfolder]: 1929/3861 cut-off events. [2021-03-25 19:43:28,534 INFO L130 PetriNetUnfolder]: For 33977/34109 co-relation queries the response was YES. [2021-03-25 19:43:28,561 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 19:43:28,587 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 482 selfloop transitions, 657 changer transitions 0/1151 dead transitions. [2021-03-25 19:43:28,587 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 1151 transitions, 32425 flow [2021-03-25 19:43:28,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-25 19:43:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-25 19:43:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 417 transitions. [2021-03-25 19:43:28,588 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6455108359133127 [2021-03-25 19:43:28,588 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 417 transitions. [2021-03-25 19:43:28,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 417 transitions. [2021-03-25 19:43:28,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:28,588 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 417 transitions. [2021-03-25 19:43:28,589 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 19:43:28,590 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 19:43:28,590 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 19:43:28,590 INFO L185 Difference]: Start difference. First operand has 238 places, 1059 transitions, 28023 flow. Second operand 19 states and 417 transitions. [2021-03-25 19:43:28,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 1151 transitions, 32425 flow [2021-03-25 19:43:28,941 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 19:43:28,963 INFO L241 Difference]: Finished difference. Result has 251 places, 1151 transitions, 32174 flow [2021-03-25 19:43:28,963 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 19:43:28,963 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 224 predicate places. [2021-03-25 19:43:28,963 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:28,963 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 1151 transitions, 32174 flow [2021-03-25 19:43:28,964 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 1151 transitions, 32174 flow [2021-03-25 19:43:28,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 251 places, 1151 transitions, 32174 flow [2021-03-25 19:43:29,099 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][570], [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)), 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: 1977#(or (and (<= s2 s1) (<= s1 s2)) (not (= i2 i1))), Black: 342#(<= i2 (+ i1 1)), Black: 492#(and (= (select x 1) s2) (= (+ (select x i1) (select x 1)) s1)), 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)))), 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)), 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 19:43:29,099 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:29,099 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:29,099 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:29,099 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:29,429 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[][321], [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: 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: 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: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 348#(<= 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: 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: 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: 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)), 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 19:43:29,430 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-25 19:43:29,430 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:29,430 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:29,430 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:29,525 INFO L129 PetriNetUnfolder]: 1918/3722 cut-off events. [2021-03-25 19:43:29,525 INFO L130 PetriNetUnfolder]: For 35293/35372 co-relation queries the response was YES. [2021-03-25 19:43:29,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34313 conditions, 3722 events. 1918/3722 cut-off events. For 35293/35372 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 29278 event pairs, 0 based on Foata normal form. 1/3561 useless extension candidates. Maximal degree in co-relation 33686. Up to 737 conditions per place. [2021-03-25 19:43:29,610 INFO L142 LiptonReduction]: Number of co-enabled transitions 11730 [2021-03-25 19:43:29,781 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:29,781 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:29,781 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 818 [2021-03-25 19:43:29,782 INFO L480 AbstractCegarLoop]: Abstraction has has 251 places, 1151 transitions, 32174 flow [2021-03-25 19:43:29,782 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 19:43:29,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:29,782 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 19:43:29,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151,28 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:29,996 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:29,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:29,996 INFO L82 PathProgramCache]: Analyzing trace with hash 859896467, now seen corresponding path program 11 times [2021-03-25 19:43:29,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:29,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081518787] [2021-03-25 19:43:29,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:30,005 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 19:43:30,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:30,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:30,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:30,030 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 19:43:30,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081518787] [2021-03-25 19:43:30,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273379464] [2021-03-25 19:43:30,030 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 19:43:30,122 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-03-25 19:43:30,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:30,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-25 19:43:30,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:30,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:30,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,124 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:30,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:30,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:30,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:30,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:30,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:30,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:30,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:30,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:30,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:30,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:30,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:30,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,136 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:30,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:30,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:30,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:30,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:30,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:30,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:30,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:30,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:30,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:30,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:30,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:30,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:30,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:30,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:30,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:30,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:30,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:30,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:30,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:30,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:30,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:30,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:30,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:30,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:30,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:30,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:30,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:30,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:30,179 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 19:43:30,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:30,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-25 19:43:30,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673068440] [2021-03-25 19:43:30,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 19:43:30,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:30,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 19:43:30,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-03-25 19:43:30,181 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 19:43:30,181 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 19:43:30,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:30,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 19:43:30,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:30,507 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: 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: 342#(<= i2 (+ i1 1)), 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 19:43:30,507 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:30,507 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:30,507 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:30,507 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:31,203 INFO L129 PetriNetUnfolder]: 2100/4172 cut-off events. [2021-03-25 19:43:31,203 INFO L130 PetriNetUnfolder]: For 42017/42147 co-relation queries the response was YES. [2021-03-25 19:43:31,240 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 19:43:31,273 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 226 selfloop transitions, 1018 changer transitions 0/1256 dead transitions. [2021-03-25 19:43:31,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 1256 transitions, 36910 flow [2021-03-25 19:43:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 19:43:31,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 19:43:31,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 243 transitions. [2021-03-25 19:43:31,274 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7147058823529412 [2021-03-25 19:43:31,274 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 243 transitions. [2021-03-25 19:43:31,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 243 transitions. [2021-03-25 19:43:31,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:31,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 243 transitions. [2021-03-25 19:43:31,275 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 19:43:31,275 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 19:43:31,275 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 19:43:31,275 INFO L185 Difference]: Start difference. First operand has 251 places, 1151 transitions, 32174 flow. Second operand 10 states and 243 transitions. [2021-03-25 19:43:31,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 1256 transitions, 36910 flow [2021-03-25 19:43:31,760 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 19:43:31,784 INFO L241 Difference]: Finished difference. Result has 256 places, 1256 transitions, 38102 flow [2021-03-25 19:43:31,785 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 19:43:31,786 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 229 predicate places. [2021-03-25 19:43:31,786 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:31,786 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 256 places, 1256 transitions, 38102 flow [2021-03-25 19:43:31,786 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 256 places, 1256 transitions, 38102 flow [2021-03-25 19:43:31,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 256 places, 1256 transitions, 38102 flow [2021-03-25 19:43:31,957 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][533], [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: 1976#(or (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1)), 1167#true, 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: 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, 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: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), 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 19:43:31,958 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:31,958 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:31,958 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:31,958 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:32,241 INFO L382 tUnfolder$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[][365], [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: 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: 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: 342#(<= i2 (+ i1 1)), Black: 1978#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (not (= i1 (+ i2 1)))), Black: 348#(<= i2 i1), 2066#true, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 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: 2069#(<= i1 (+ i2 1)), Black: 2070#(<= i1 (+ i2 2)), 735#true, Black: 2071#(<= i1 (+ i2 3)), Black: 54#(<= i2 i1), Black: 2077#(<= i1 i2), 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 19:43:32,241 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-25 19:43:32,241 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:32,241 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:32,241 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:32,370 INFO L129 PetriNetUnfolder]: 2082/4040 cut-off events. [2021-03-25 19:43:32,370 INFO L130 PetriNetUnfolder]: For 47529/47611 co-relation queries the response was YES. [2021-03-25 19:43:32,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40237 conditions, 4040 events. 2082/4040 cut-off events. For 47529/47611 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 32249 event pairs, 0 based on Foata normal form. 2/3861 useless extension candidates. Maximal degree in co-relation 39341. Up to 793 conditions per place. [2021-03-25 19:43:32,456 INFO L142 LiptonReduction]: Number of co-enabled transitions 12726 [2021-03-25 19:43:32,655 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:32,655 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:32,655 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 869 [2021-03-25 19:43:32,655 INFO L480 AbstractCegarLoop]: Abstraction has has 256 places, 1256 transitions, 38102 flow [2021-03-25 19:43:32,656 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 19:43:32,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:32,656 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 19:43:32,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2021-03-25 19:43:32,857 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:32,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:32,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1509931455, now seen corresponding path program 12 times [2021-03-25 19:43:32,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:32,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587272514] [2021-03-25 19:43:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:32,885 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-25 19:43:32,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:32,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,891 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 19:43:32,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,897 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 19:43:32,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,902 INFO L142 QuantifierPusher]: treesize reduction 19, result has 34.5 percent of original size [2021-03-25 19:43:32,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:32,908 INFO L142 QuantifierPusher]: treesize reduction 19, result has 38.7 percent of original size [2021-03-25 19:43:32,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,914 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-25 19:43:32,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:32,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:32,923 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 19:43:32,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587272514] [2021-03-25 19:43:32,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243062602] [2021-03-25 19:43:32,924 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 19:43:32,947 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-25 19:43:32,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:32,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-25 19:43:32,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:32,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:32,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,949 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:32,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:32,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:32,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:32,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:32,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:32,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:32,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:32,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:32,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:32,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:32,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:32,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:32,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:32,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,973 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:32,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,974 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:32,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:32,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:32,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:32,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:32,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:32,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:32,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:32,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:32,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:32,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:32,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:32,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:32,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:32,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:32,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:33,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:33,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:33,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:33,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:33,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:33,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:33,012 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 19:43:33,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:33,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2021-03-25 19:43:33,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904887012] [2021-03-25 19:43:33,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 19:43:33,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:33,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 19:43:33,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-03-25 19:43:33,013 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 34 [2021-03-25 19:43:33,013 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 19:43:33,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:33,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 34 [2021-03-25 19:43:33,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:33,373 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: 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: 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 19:43:33,373 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:33,373 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:33,373 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:33,373 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:34,089 INFO L129 PetriNetUnfolder]: 2128/4240 cut-off events. [2021-03-25 19:43:34,089 INFO L130 PetriNetUnfolder]: For 50392/50530 co-relation queries the response was YES. [2021-03-25 19:43:34,195 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 19:43:34,228 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 342 selfloop transitions, 918 changer transitions 0/1272 dead transitions. [2021-03-25 19:43:34,228 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 1272 transitions, 40752 flow [2021-03-25 19:43:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:43:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:43:34,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 214 transitions. [2021-03-25 19:43:34,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6993464052287581 [2021-03-25 19:43:34,229 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 214 transitions. [2021-03-25 19:43:34,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 214 transitions. [2021-03-25 19:43:34,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:34,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 214 transitions. [2021-03-25 19:43:34,230 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 19:43:34,230 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 19:43:34,230 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 19:43:34,230 INFO L185 Difference]: Start difference. First operand has 256 places, 1256 transitions, 38102 flow. Second operand 9 states and 214 transitions. [2021-03-25 19:43:34,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 1272 transitions, 40752 flow [2021-03-25 19:43:34,768 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 19:43:34,796 INFO L241 Difference]: Finished difference. Result has 265 places, 1270 transitions, 41544 flow [2021-03-25 19:43:34,796 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 19:43:34,797 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 238 predicate places. [2021-03-25 19:43:34,797 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:34,797 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 1270 transitions, 41544 flow [2021-03-25 19:43:34,797 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 1270 transitions, 41544 flow [2021-03-25 19:43:34,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 1270 transitions, 41544 flow [2021-03-25 19:43:34,980 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][580], [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: 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: 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, 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))), 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)), 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: 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))), 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 19:43:34,980 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:34,980 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:34,980 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:34,980 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:35,524 INFO L129 PetriNetUnfolder]: 2113/4104 cut-off events. [2021-03-25 19:43:35,524 INFO L130 PetriNetUnfolder]: For 51949/52017 co-relation queries the response was YES. [2021-03-25 19:43:35,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43882 conditions, 4104 events. 2113/4104 cut-off events. For 51949/52017 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 32895 event pairs, 0 based on Foata normal form. 0/3924 useless extension candidates. Maximal degree in co-relation 43008. Up to 801 conditions per place. [2021-03-25 19:43:35,624 INFO L142 LiptonReduction]: Number of co-enabled transitions 12930 [2021-03-25 19:43:35,866 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:35,866 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:35,866 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1069 [2021-03-25 19:43:35,866 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 1270 transitions, 41544 flow [2021-03-25 19:43:35,866 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 19:43:35,866 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:35,867 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 19:43:36,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable159 [2021-03-25 19:43:36,081 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:36,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:36,082 INFO L82 PathProgramCache]: Analyzing trace with hash -741029581, now seen corresponding path program 13 times [2021-03-25 19:43:36,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:36,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342149015] [2021-03-25 19:43:36,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:36,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:36,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,109 INFO L142 QuantifierPusher]: treesize reduction 25, result has 19.4 percent of original size [2021-03-25 19:43:36,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:36,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:36,120 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 19:43:36,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342149015] [2021-03-25 19:43:36,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58979039] [2021-03-25 19:43:36,120 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 19:43:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:36,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-25 19:43:36,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:36,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:36,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:36,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:36,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:36,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:36,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:36,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:36,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:36,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:36,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:36,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:36,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:36,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:36,211 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 19:43:36,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:36,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2021-03-25 19:43:36,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384967255] [2021-03-25 19:43:36,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 19:43:36,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:36,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 19:43:36,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-03-25 19:43:36,212 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:43:36,212 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 19:43:36,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:36,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:43:36,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:36,559 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: 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: 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 19:43:36,559 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:36,559 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:36,559 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:36,559 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:37,366 INFO L129 PetriNetUnfolder]: 2318/4618 cut-off events. [2021-03-25 19:43:37,366 INFO L130 PetriNetUnfolder]: For 57990/58133 co-relation queries the response was YES. [2021-03-25 19:43:37,406 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 19:43:37,444 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 822 selfloop transitions, 553 changer transitions 0/1387 dead transitions. [2021-03-25 19:43:37,444 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 1387 transitions, 47020 flow [2021-03-25 19:43:37,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 19:43:37,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 19:43:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 231 transitions. [2021-03-25 19:43:37,445 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7549019607843137 [2021-03-25 19:43:37,445 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 231 transitions. [2021-03-25 19:43:37,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 231 transitions. [2021-03-25 19:43:37,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:37,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 231 transitions. [2021-03-25 19:43:37,446 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 19:43:37,446 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 19:43:37,446 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 19:43:37,446 INFO L185 Difference]: Start difference. First operand has 265 places, 1270 transitions, 41544 flow. Second operand 9 states and 231 transitions. [2021-03-25 19:43:37,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 1387 transitions, 47020 flow [2021-03-25 19:43:38,077 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 19:43:38,106 INFO L241 Difference]: Finished difference. Result has 273 places, 1385 transitions, 45118 flow [2021-03-25 19:43:38,107 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 19:43:38,107 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 246 predicate places. [2021-03-25 19:43:38,107 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:38,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 273 places, 1385 transitions, 45118 flow [2021-03-25 19:43:38,108 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 273 places, 1385 transitions, 45118 flow [2021-03-25 19:43:38,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 1385 transitions, 45118 flow [2021-03-25 19:43:38,273 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][506], [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: 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: 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))), 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: 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: 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))), 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 19:43:38,273 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:38,273 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:38,273 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:38,273 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:38,905 INFO L129 PetriNetUnfolder]: 2310/4486 cut-off events. [2021-03-25 19:43:38,905 INFO L130 PetriNetUnfolder]: For 53121/53156 co-relation queries the response was YES. [2021-03-25 19:43:38,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47732 conditions, 4486 events. 2310/4486 cut-off events. For 53121/53156 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 36333 event pairs, 0 based on Foata normal form. 0/4294 useless extension candidates. Maximal degree in co-relation 46910. Up to 897 conditions per place. [2021-03-25 19:43:38,998 INFO L142 LiptonReduction]: Number of co-enabled transitions 14112 [2021-03-25 19:43:39,248 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:39,248 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:39,248 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1141 [2021-03-25 19:43:39,249 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 1385 transitions, 45118 flow [2021-03-25 19:43:39,249 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 19:43:39,249 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:39,249 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 19:43:39,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:39,452 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:39,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:39,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1740255446, now seen corresponding path program 9 times [2021-03-25 19:43:39,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:39,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220677973] [2021-03-25 19:43:39,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:39,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:39,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,504 INFO L142 QuantifierPusher]: treesize reduction 27, result has 12.9 percent of original size [2021-03-25 19:43:39,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:39,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:39,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:39,511 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 19:43:39,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220677973] [2021-03-25 19:43:39,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760592292] [2021-03-25 19:43:39,512 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 19:43:39,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-25 19:43:39,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:39,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-25 19:43:39,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:39,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:39,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:39,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:39,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:39,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:39,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:39,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:39,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:39,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:39,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:39,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:39,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:39,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:39,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:39,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:39,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:39,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:39,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:39,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:39,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:39,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:39,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:39,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:39,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:39,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:39,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:39,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:39,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:39,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:39,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:39,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:39,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:39,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:39,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:39,614 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 19:43:39,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:39,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-25 19:43:39,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732269076] [2021-03-25 19:43:39,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 19:43:39,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:39,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 19:43:39,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-03-25 19:43:39,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:43:39,616 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 19:43:39,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:39,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:43:39,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:40,009 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: 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: 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 19:43:40,009 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:40,009 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:40,010 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:40,010 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:41,035 INFO L129 PetriNetUnfolder]: 2455/4894 cut-off events. [2021-03-25 19:43:41,036 INFO L130 PetriNetUnfolder]: For 63377/63513 co-relation queries the response was YES. [2021-03-25 19:43:41,173 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 19:43:41,221 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 514 selfloop transitions, 938 changer transitions 0/1464 dead transitions. [2021-03-25 19:43:41,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 1464 transitions, 49664 flow [2021-03-25 19:43:41,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 19:43:41,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 19:43:41,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 341 transitions. [2021-03-25 19:43:41,223 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7714932126696833 [2021-03-25 19:43:41,223 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 341 transitions. [2021-03-25 19:43:41,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 341 transitions. [2021-03-25 19:43:41,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:41,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 341 transitions. [2021-03-25 19:43:41,223 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 19:43:41,224 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 19:43:41,224 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 19:43:41,224 INFO L185 Difference]: Start difference. First operand has 273 places, 1385 transitions, 45118 flow. Second operand 13 states and 341 transitions. [2021-03-25 19:43:41,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 1464 transitions, 49664 flow [2021-03-25 19:43:41,920 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 19:43:41,952 INFO L241 Difference]: Finished difference. Result has 286 places, 1460 transitions, 49651 flow [2021-03-25 19:43:41,953 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 19:43:41,954 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 259 predicate places. [2021-03-25 19:43:41,954 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:41,954 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 286 places, 1460 transitions, 49651 flow [2021-03-25 19:43:41,954 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 286 places, 1460 transitions, 49651 flow [2021-03-25 19:43:41,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 286 places, 1460 transitions, 49651 flow [2021-03-25 19:43:42,158 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][1315], [9#L62true, 10#L49true, Black: 1136#(<= (+ i2 1) i1), Black: 2305#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2307#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), Black: 1098#true, 268#(and (< i2 n) (<= (+ i2 1) i1)), 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)), 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: 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: 342#(<= i2 (+ i1 1)), 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, 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)), Black: 2159#(<= i1 i2), 949#true, 2358#(<= (+ i2 1) i1), 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: 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)), Black: 2324#(<= i2 (+ i1 2)), 2146#true, 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)), 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 19:43:42,158 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:42,158 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:42,158 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:42,158 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:42,839 INFO L129 PetriNetUnfolder]: 2428/4738 cut-off events. [2021-03-25 19:43:42,839 INFO L130 PetriNetUnfolder]: For 64145/64300 co-relation queries the response was YES. [2021-03-25 19:43:42,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52310 conditions, 4738 events. 2428/4738 cut-off events. For 64145/64300 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 38737 event pairs, 0 based on Foata normal form. 4/4539 useless extension candidates. Maximal degree in co-relation 51389. Up to 921 conditions per place. [2021-03-25 19:43:42,958 INFO L142 LiptonReduction]: Number of co-enabled transitions 14850 [2021-03-25 19:43:43,265 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:43,265 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:43,265 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1311 [2021-03-25 19:43:43,265 INFO L480 AbstractCegarLoop]: Abstraction has has 286 places, 1460 transitions, 49651 flow [2021-03-25 19:43:43,265 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 19:43:43,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:43,265 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 19:43:43,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:43,479 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:43,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:43,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1147427306, now seen corresponding path program 14 times [2021-03-25 19:43:43,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:43,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499581735] [2021-03-25 19:43:43,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:43,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:43,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-03-25 19:43:43,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 19:43:43,506 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 19:43:43,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499581735] [2021-03-25 19:43:43,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419156746] [2021-03-25 19:43:43,506 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 19:43:43,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-25 19:43:43,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:43,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 19:43:43,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:43,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:43,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:43,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:43,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:43,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 19:43:43,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 19:43:43,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:43,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:43,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:43,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:43,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:43,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:43,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:43,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:43,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:43,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:43,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:43,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:43,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:43,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:43,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:43,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-25 19:43:43,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:43,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:43,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 19:43:43,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:43,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:43,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:43,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:43,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 19:43:43,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:43,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:43,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 19:43:43,575 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 19:43:43,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:43,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-03-25 19:43:43,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380433633] [2021-03-25 19:43:43,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 19:43:43,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:43,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 19:43:43,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-25 19:43:43,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 34 [2021-03-25 19:43:43,576 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 19:43:43,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:43,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 34 [2021-03-25 19:43:43,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:43,973 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: 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: 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 19:43:43,973 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is cut-off event [2021-03-25 19:43:43,973 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:43,973 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:43,973 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:45,050 INFO L129 PetriNetUnfolder]: 2610/5179 cut-off events. [2021-03-25 19:43:45,050 INFO L130 PetriNetUnfolder]: For 72335/72555 co-relation queries the response was YES. [2021-03-25 19:43:45,096 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 19:43:45,140 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 336 selfloop transitions, 1199 changer transitions 0/1547 dead transitions. [2021-03-25 19:43:45,140 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 1547 transitions, 54842 flow [2021-03-25 19:43:45,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 19:43:45,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 19:43:45,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 263 transitions. [2021-03-25 19:43:45,141 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7735294117647059 [2021-03-25 19:43:45,141 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 263 transitions. [2021-03-25 19:43:45,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 263 transitions. [2021-03-25 19:43:45,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:45,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 263 transitions. [2021-03-25 19:43:45,142 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 19:43:45,142 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 19:43:45,142 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 19:43:45,142 INFO L185 Difference]: Start difference. First operand has 286 places, 1460 transitions, 49651 flow. Second operand 10 states and 263 transitions. [2021-03-25 19:43:45,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 1547 transitions, 54842 flow [2021-03-25 19:43:45,960 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 19:43:45,995 INFO L241 Difference]: Finished difference. Result has 293 places, 1543 transitions, 55858 flow [2021-03-25 19:43:45,996 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 19:43:45,996 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 266 predicate places. [2021-03-25 19:43:45,996 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:45,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 1543 transitions, 55858 flow [2021-03-25 19:43:45,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 1543 transitions, 55858 flow [2021-03-25 19:43:46,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 293 places, 1543 transitions, 55858 flow [2021-03-25 19:43:46,219 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][885], [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: 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)), 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 19:43:46,219 INFO L384 tUnfolder$Statistics]: this new event has 11 ancestors and is not cut-off event [2021-03-25 19:43:46,219 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:46,219 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:46,219 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is not cut-off event [2021-03-25 19:43:47,012 INFO L129 PetriNetUnfolder]: 2595/5003 cut-off events. [2021-03-25 19:43:47,013 INFO L130 PetriNetUnfolder]: For 78712/78751 co-relation queries the response was YES. [2021-03-25 19:43:47,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58438 conditions, 5003 events. 2595/5003 cut-off events. For 78712/78751 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 41113 event pairs, 0 based on Foata normal form. 0/4802 useless extension candidates. Maximal degree in co-relation 57531. Up to 953 conditions per place. [2021-03-25 19:43:47,362 INFO L142 LiptonReduction]: Number of co-enabled transitions 15624 [2021-03-25 19:43:47,680 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:47,680 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:47,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1684 [2021-03-25 19:43:47,680 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 1543 transitions, 55858 flow [2021-03-25 19:43:47,680 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 19:43:47,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:47,680 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 19:43:47,895 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,33 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:47,895 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:47,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:47,895 INFO L82 PathProgramCache]: Analyzing trace with hash -284815881, now seen corresponding path program 10 times [2021-03-25 19:43:47,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:47,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263727695] [2021-03-25 19:43:47,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:47,924 INFO L142 QuantifierPusher]: treesize reduction 17, result has 50.0 percent of original size [2021-03-25 19:43:47,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:43:47,933 INFO L142 QuantifierPusher]: treesize reduction 14, result has 57.6 percent of original size [2021-03-25 19:43:47,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:47,940 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-25 19:43:47,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:47,948 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-03-25 19:43:47,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 19:43:47,958 INFO L142 QuantifierPusher]: treesize reduction 14, result has 76.7 percent of original size [2021-03-25 19:43:47,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 19:43:47,969 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.7 percent of original size [2021-03-25 19:43:47,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 19:43:47,984 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-03-25 19:43:47,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 19:43:47,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:47,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,010 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 19:43:48,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,024 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 19:43:48,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263727695] [2021-03-25 19:43:48,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506844957] [2021-03-25 19:43:48,024 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 19:43:48,120 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-25 19:43:48,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:48,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-25 19:43:48,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:48,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:48,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,130 INFO L147 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size 24 [2021-03-25 19:43:48,130 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:43:48,130 INFO L147 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size 21 [2021-03-25 19:43:48,131 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.5 percent of original size [2021-03-25 19:43:48,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:48,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:48,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,143 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.6 percent of original size 29 [2021-03-25 19:43:48,143 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-03-25 19:43:48,143 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-25 19:43:48,144 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 19:43:48,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:48,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:48,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,158 INFO L147 QuantifierPusher]: treesize reduction 7, result has 82.9 percent of original size 34 [2021-03-25 19:43:48,159 INFO L142 QuantifierPusher]: treesize reduction 7, result has 83.3 percent of original size [2021-03-25 19:43:48,159 INFO L147 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size 19 [2021-03-25 19:43:48,159 INFO L142 QuantifierPusher]: treesize reduction 5, result has 79.2 percent of original size [2021-03-25 19:43:48,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:48,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:48,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,176 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 19:43:48,176 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 19:43:48,176 INFO L147 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size 22 [2021-03-25 19:43:48,177 INFO L142 QuantifierPusher]: treesize reduction 6, result has 78.6 percent of original size [2021-03-25 19:43:48,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:48,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,198 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-03-25 19:43:48,198 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-25 19:43:48,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:43:48,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:43:48,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:43:48,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,220 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-25 19:43:48,221 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-25 19:43:48,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:43:48,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:43:48,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:43:48,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,242 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.4 percent of original size 38 [2021-03-25 19:43:48,242 INFO L142 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size [2021-03-25 19:43:48,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:48,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:48,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:48,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,262 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-03-25 19:43:48,262 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-03-25 19:43:48,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:48,263 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-25 19:43:48,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 19:43:48,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:48,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:48,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 19:43:48,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:48,289 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,289 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 19:43:48,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:48,291 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-25 19:43:48,291 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:48,291 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:48,292 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,292 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:48,292 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:48,293 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,293 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:48,293 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:48,293 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,294 INFO L147 QuantifierPusher]: treesize reduction 16, result has 85.3 percent of original size 93 [2021-03-25 19:43:48,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:48,295 INFO L142 QuantifierPusher]: treesize reduction 17, result has 87.1 percent of original size [2021-03-25 19:43:48,295 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-25 19:43:48,295 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:48,296 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,296 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-25 19:43:48,296 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:48,297 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,297 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-25 19:43:48,298 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:48,298 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,299 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:48,300 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:48,300 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,300 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:48,300 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:48,301 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,302 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:48,302 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:48,302 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,303 INFO L147 QuantifierPusher]: treesize reduction 46, result has 82.3 percent of original size 214 [2021-03-25 19:43:48,304 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:48,304 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:48,305 INFO L142 QuantifierPusher]: treesize reduction 56, result has 80.6 percent of original size [2021-03-25 19:43:48,306 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:48,306 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:48,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 19:43:48,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-25 19:43:48,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-25 19:43:48,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-25 19:43:48,313 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:48,337 INFO L628 ElimStorePlain]: treesize reduction 232, result has 3.3 percent of original size [2021-03-25 19:43:48,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:48,338 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:48,338 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-25 19:43:48,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:48,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:48,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:48,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:48,365 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 19:43:48,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:48,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-25 19:43:48,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025707833] [2021-03-25 19:43:48,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-25 19:43:48,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:48,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-25 19:43:48,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2021-03-25 19:43:48,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:48,367 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 19:43:48,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:48,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:48,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:49,515 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: 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)), 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 19:43:49,515 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:49,515 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:49,515 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:49,515 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:49,542 INFO L382 tUnfolder$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: 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, 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 19:43:49,542 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:43:49,542 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:43:49,542 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:49,542 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:49,613 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: 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))), 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 19:43:49,613 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:49,613 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:49,613 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:49,613 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:49,828 INFO L382 tUnfolder$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: 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, 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 19:43:49,829 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is cut-off event [2021-03-25 19:43:49,829 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:49,829 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:49,829 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-25 19:43:49,831 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: 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: 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 19:43:49,831 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is not cut-off event [2021-03-25 19:43:49,831 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:49,831 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:49,831 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:51,021 INFO L129 PetriNetUnfolder]: 3005/5960 cut-off events. [2021-03-25 19:43:51,021 INFO L130 PetriNetUnfolder]: For 94698/94794 co-relation queries the response was YES. [2021-03-25 19:43:51,067 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 19:43:51,122 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 460 selfloop transitions, 1307 changer transitions 0/1779 dead transitions. [2021-03-25 19:43:51,122 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 1779 transitions, 66104 flow [2021-03-25 19:43:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-25 19:43:51,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-03-25 19:43:51,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 446 transitions. [2021-03-25 19:43:51,124 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6558823529411765 [2021-03-25 19:43:51,124 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 446 transitions. [2021-03-25 19:43:51,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 446 transitions. [2021-03-25 19:43:51,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:51,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 446 transitions. [2021-03-25 19:43:51,124 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 19:43:51,125 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 19:43:51,125 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 19:43:51,125 INFO L185 Difference]: Start difference. First operand has 293 places, 1543 transitions, 55858 flow. Second operand 20 states and 446 transitions. [2021-03-25 19:43:51,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 1779 transitions, 66104 flow [2021-03-25 19:43:52,101 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 19:43:52,143 INFO L241 Difference]: Finished difference. Result has 314 places, 1779 transitions, 65796 flow [2021-03-25 19:43:52,144 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 19:43:52,144 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 287 predicate places. [2021-03-25 19:43:52,144 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:52,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 314 places, 1779 transitions, 65796 flow [2021-03-25 19:43:52,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 314 places, 1779 transitions, 65796 flow [2021-03-25 19:43:52,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 314 places, 1779 transitions, 65796 flow [2021-03-25 19:43:52,564 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][1296], [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: 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: 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)))), 18#L36true, 2066#true, Black: 218#(<= i2 i1), 21#L79true, 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)), 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), 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)), 949#true, Black: 2410#(<= i2 (+ i1 2)), Black: 2159#(<= i1 i2), Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), 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 19:43:52,565 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:52,565 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:52,565 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:52,565 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:52,645 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][341], [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: 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, 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, 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)), 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 19:43:52,646 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:43:52,646 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:43:52,646 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:52,646 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:52,703 INFO L382 tUnfolder$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][758], [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: 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, 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, 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 19:43:52,703 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:52,703 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:52,703 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:52,703 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:53,078 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[][249], [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)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 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: 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, 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, 23#L81true, 1056#(<= (+ i2 2) i1), 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, 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))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 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))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2417#(<= i2 i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 884#(<= (+ i2 2) i1), 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)), 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 19:43:53,078 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-25 19:43:53,079 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:43:53,079 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:43:53,079 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:53,201 INFO L382 tUnfolder$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[][249], [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)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 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: 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, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, 1056#(<= (+ i2 2) i1), 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))), 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)), 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))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2417#(<= i2 i1), Black: 2221#(and (not (= i1 n)) (<= (+ i1 1) i2)), Black: 2409#(<= i2 (+ i1 1)), Black: 884#(<= (+ i2 2) i1), 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)), 2232#true, 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)), 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 19:43:53,201 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-25 19:43:53,202 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:53,202 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:53,202 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:53,415 INFO L129 PetriNetUnfolder]: 3014/5803 cut-off events. [2021-03-25 19:43:53,415 INFO L130 PetriNetUnfolder]: For 96998/97039 co-relation queries the response was YES. [2021-03-25 19:43:53,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69004 conditions, 5803 events. 3014/5803 cut-off events. For 96998/97039 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 48702 event pairs, 0 based on Foata normal form. 0/5571 useless extension candidates. Maximal degree in co-relation 67765. Up to 1073 conditions per place. [2021-03-25 19:43:53,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 18048 [2021-03-25 19:43:54,231 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:43:54,232 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:43:54,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2088 [2021-03-25 19:43:54,232 INFO L480 AbstractCegarLoop]: Abstraction has has 314 places, 1779 transitions, 65796 flow [2021-03-25 19:43:54,232 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 19:43:54,232 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:43:54,232 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 19:43:54,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:43:54,447 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:43:54,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:43:54,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1341630961, now seen corresponding path program 11 times [2021-03-25 19:43:54,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:43:54,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122719858] [2021-03-25 19:43:54,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:43:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:43:54,477 INFO L142 QuantifierPusher]: treesize reduction 41, result has 35.9 percent of original size [2021-03-25 19:43:54,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:43:54,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:43:54,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:54,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:43:54,521 INFO L142 QuantifierPusher]: treesize reduction 50, result has 37.5 percent of original size [2021-03-25 19:43:54,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:43:54,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:43:54,560 INFO L142 QuantifierPusher]: treesize reduction 39, result has 42.6 percent of original size [2021-03-25 19:43:54,560 INFO L147 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size 20 [2021-03-25 19:43:54,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:43:54,573 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 19:43:54,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:43:54,579 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 19:43:54,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122719858] [2021-03-25 19:43:54,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705297214] [2021-03-25 19:43:54,579 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 19:43:54,607 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-25 19:43:54,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:43:54,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-25 19:43:54,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:43:54,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:54,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:54,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:54,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:54,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:54,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:54,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:54,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:43:54,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,615 INFO L147 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size 24 [2021-03-25 19:43:54,615 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.6 percent of original size [2021-03-25 19:43:54,615 INFO L147 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size 21 [2021-03-25 19:43:54,616 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-25 19:43:54,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:54,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:54,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:54,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:54,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:54,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:43:54,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,628 INFO L147 QuantifierPusher]: treesize reduction 7, result has 80.6 percent of original size 29 [2021-03-25 19:43:54,628 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.1 percent of original size [2021-03-25 19:43:54,628 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-25 19:43:54,629 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-03-25 19:43:54,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:54,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:54,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:54,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:54,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:54,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:43:54,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,643 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size 31 [2021-03-25 19:43:54,643 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-25 19:43:54,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:54,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:54,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:54,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:54,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:54,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:54,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:54,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:43:54,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:54,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:54,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:54,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 19:43:54,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 19:43:54,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 19:43:54,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 19:43:54,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,690 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size 42 [2021-03-25 19:43:54,691 INFO L142 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size [2021-03-25 19:43:54,691 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 19:43:54,691 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-25 19:43:54,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:54,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:43:54,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 19:43:54,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,705 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size 28 [2021-03-25 19:43:54,706 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size [2021-03-25 19:43:54,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:54,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:43:54,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,721 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-03-25 19:43:54,721 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-03-25 19:43:54,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:54,722 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-25 19:43:54,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 19:43:54,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:54,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:54,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 19:43:54,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:43:54,750 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,750 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 19:43:54,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:54,752 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-25 19:43:54,752 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:54,752 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:54,753 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,753 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:54,754 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:54,754 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,754 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:54,754 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:54,755 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,756 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.6 percent of original size 93 [2021-03-25 19:43:54,756 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:54,757 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.8 percent of original size [2021-03-25 19:43:54,757 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-25 19:43:54,757 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:54,758 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,758 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-25 19:43:54,758 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:54,758 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,759 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-25 19:43:54,759 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:54,759 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,760 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:54,760 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:54,760 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,761 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:43:54,761 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:43:54,761 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,762 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:43:54,762 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:43:54,762 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,762 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:43:54,763 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:54,763 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,764 INFO L147 QuantifierPusher]: treesize reduction 48, result has 83.0 percent of original size 235 [2021-03-25 19:43:54,765 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:54,765 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:54,766 INFO L142 QuantifierPusher]: treesize reduction 58, result has 81.4 percent of original size [2021-03-25 19:43:54,767 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:54,767 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:54,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 19:43:54,769 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:54,769 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:54,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,770 INFO L147 QuantifierPusher]: treesize reduction 4, result has 92.5 percent of original size 49 [2021-03-25 19:43:54,771 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:43:54,771 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:43:54,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:43:54,774 INFO L147 QuantifierPusher]: treesize reduction 4, result has 98.7 percent of original size 306 [2021-03-25 19:43:54,775 INFO L147 QuantifierPusher]: treesize reduction 4, result has 98.7 percent of original size 306 [2021-03-25 19:43:54,776 INFO L142 QuantifierPusher]: treesize reduction 4, result has 98.7 percent of original size [2021-03-25 19:43:54,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2021-03-25 19:43:54,778 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:43:54,802 INFO L628 ElimStorePlain]: treesize reduction 298, result has 2.6 percent of original size [2021-03-25 19:43:54,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:54,802 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:43:54,803 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-25 19:43:54,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:54,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:43:54,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:43:54,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 19:43:54,825 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 19:43:54,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:43:54,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-03-25 19:43:54,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880982979] [2021-03-25 19:43:54,825 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 19:43:54,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:43:54,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 19:43:54,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-03-25 19:43:54,826 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:43:54,826 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 19:43:54,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:43:54,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:43:54,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:43:55,765 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: 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, 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 19:43:55,765 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:43:55,765 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:55,765 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:55,765 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:43:55,774 INFO L382 tUnfolder$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 19:43:55,774 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:43:55,774 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:43:55,774 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:55,774 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:55,891 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: 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))), 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 19:43:55,892 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:55,892 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:55,892 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:55,892 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:57,185 INFO L129 PetriNetUnfolder]: 3147/6247 cut-off events. [2021-03-25 19:43:57,185 INFO L130 PetriNetUnfolder]: For 104237/104370 co-relation queries the response was YES. [2021-03-25 19:43:57,249 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 19:43:57,303 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1006 selfloop transitions, 840 changer transitions 0/1858 dead transitions. [2021-03-25 19:43:57,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 1858 transitions, 72140 flow [2021-03-25 19:43:57,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-25 19:43:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-25 19:43:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 371 transitions. [2021-03-25 19:43:57,305 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6418685121107266 [2021-03-25 19:43:57,305 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 371 transitions. [2021-03-25 19:43:57,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 371 transitions. [2021-03-25 19:43:57,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:43:57,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 371 transitions. [2021-03-25 19:43:57,306 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 19:43:57,306 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 19:43:57,307 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 19:43:57,307 INFO L185 Difference]: Start difference. First operand has 314 places, 1779 transitions, 65796 flow. Second operand 17 states and 371 transitions. [2021-03-25 19:43:57,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 1858 transitions, 72140 flow [2021-03-25 19:43:58,591 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 19:43:58,639 INFO L241 Difference]: Finished difference. Result has 326 places, 1858 transitions, 70339 flow [2021-03-25 19:43:58,641 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 19:43:58,641 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 299 predicate places. [2021-03-25 19:43:58,641 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:43:58,641 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 326 places, 1858 transitions, 70339 flow [2021-03-25 19:43:58,641 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 326 places, 1858 transitions, 70339 flow [2021-03-25 19:43:58,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 326 places, 1858 transitions, 70339 flow [2021-03-25 19:43:59,079 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][1125], [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: 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: 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)), 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: 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 19:43:59,080 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:43:59,080 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:59,080 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:43:59,080 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:43:59,084 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][29], [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: 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)))), 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)), 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: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), 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 19:43:59,085 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:43:59,085 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:59,085 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:43:59,085 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:43:59,116 INFO L382 tUnfolder$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][812], [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, 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)), 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, 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 19:43:59,116 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:43:59,116 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:59,116 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:43:59,116 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:43:59,545 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[][290], [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)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 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: 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, 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, 23#L81true, 1056#(<= (+ i2 2) i1), 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, 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), 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))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 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: 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)), 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))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2417#(<= i2 i1), 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)), 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 19:43:59,545 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-25 19:43:59,545 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:43:59,545 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:43:59,545 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:43:59,800 INFO L382 tUnfolder$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[][290], [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: 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: 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, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, 1056#(<= (+ i2 2) i1), 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, 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))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 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: 2323#(<= i2 (+ i1 1)), Black: 2077#(<= i1 i2), 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: 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)), 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))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2417#(<= i2 i1), 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)), 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 19:43:59,800 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-25 19:43:59,800 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:43:59,800 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:59,800 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:43:59,807 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[][290], [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)), 270#(and (< (+ i2 1) n) (<= (+ i2 1) i1) (not (= i1 (+ i2 1)))), 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: 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, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, 1056#(<= (+ i2 2) i1), 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))), 2596#true, 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))), Black: 1527#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 76#(<= (+ i2 1) i1), 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: 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)), 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))), Black: 2149#(<= i1 (+ i2 1)), 1971#true, Black: 2417#(<= i2 i1), 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)), 2232#true, 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)), 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 19:43:59,807 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-25 19:43:59,807 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:43:59,807 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:43:59,807 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:00,045 INFO L129 PetriNetUnfolder]: 3124/6036 cut-off events. [2021-03-25 19:44:00,045 INFO L130 PetriNetUnfolder]: For 103331/103463 co-relation queries the response was YES. [2021-03-25 19:44:00,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73702 conditions, 6036 events. 3124/6036 cut-off events. For 103331/103463 co-relation queries the response was YES. Maximal size of possible extension queue 534. Compared 51088 event pairs, 0 based on Foata normal form. 0/5789 useless extension candidates. Maximal degree in co-relation 72518. Up to 1089 conditions per place. [2021-03-25 19:44:00,195 INFO L142 LiptonReduction]: Number of co-enabled transitions 18888 [2021-03-25 19:44:00,689 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:44:00,689 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:44:00,690 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2049 [2021-03-25 19:44:00,690 INFO L480 AbstractCegarLoop]: Abstraction has has 326 places, 1858 transitions, 70339 flow [2021-03-25 19:44:00,690 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 19:44:00,690 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:44:00,690 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 19:44:00,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,35 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:44:00,904 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:44:00,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:44:00,904 INFO L82 PathProgramCache]: Analyzing trace with hash -615312551, now seen corresponding path program 12 times [2021-03-25 19:44:00,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:44:00,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227776416] [2021-03-25 19:44:00,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:44:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:44:00,923 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-25 19:44:00,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:00,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:00,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:44:00,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:00,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:44:00,941 INFO L142 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size [2021-03-25 19:44:00,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:44:00,957 INFO L142 QuantifierPusher]: treesize reduction 36, result has 53.8 percent of original size [2021-03-25 19:44:00,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 19:44:00,971 INFO L142 QuantifierPusher]: treesize reduction 47, result has 42.7 percent of original size [2021-03-25 19:44:00,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:44:00,992 INFO L142 QuantifierPusher]: treesize reduction 76, result has 42.0 percent of original size [2021-03-25 19:44:00,993 INFO L147 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-03-25 19:44:01,016 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-25 19:44:01,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:44:01,029 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 19:44:01,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:44:01,047 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 19:44:01,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227776416] [2021-03-25 19:44:01,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654541903] [2021-03-25 19:44:01,047 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 19:44:01,072 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-03-25 19:44:01,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:44:01,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-25 19:44:01,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:44:01,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:01,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,084 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-25 19:44:01,084 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-25 19:44:01,085 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-25 19:44:01,085 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-25 19:44:01,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:44:01,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:44:01,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,093 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-03-25 19:44:01,093 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 19:44:01,094 INFO L147 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size 21 [2021-03-25 19:44:01,094 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.3 percent of original size [2021-03-25 19:44:01,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:44:01,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:44:01,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:44:01,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:44:01,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:44:01,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:44:01,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 19:44:01,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,119 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-03-25 19:44:01,119 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 19:44:01,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:44:01,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:44:01,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:44:01,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,134 INFO L147 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size 25 [2021-03-25 19:44:01,134 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-25 19:44:01,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:44:01,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:44:01,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,150 INFO L147 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size 33 [2021-03-25 19:44:01,150 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.4 percent of original size [2021-03-25 19:44:01,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:44:01,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:44:01,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:44:01,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 19:44:01,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,166 INFO L147 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size 28 [2021-03-25 19:44:01,167 INFO L142 QuantifierPusher]: treesize reduction 6, result has 82.4 percent of original size [2021-03-25 19:44:01,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:44:01,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:44:01,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,182 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size 34 [2021-03-25 19:44:01,183 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-03-25 19:44:01,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:01,183 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-25 19:44:01,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 19:44:01,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:44:01,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:01,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 19:44:01,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:44:01,207 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,208 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 19:44:01,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:01,209 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-25 19:44:01,210 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:44:01,210 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:44:01,210 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,211 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:44:01,211 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:01,211 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,211 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:44:01,211 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:01,212 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,213 INFO L147 QuantifierPusher]: treesize reduction 14, result has 86.9 percent of original size 93 [2021-03-25 19:44:01,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:01,213 INFO L142 QuantifierPusher]: treesize reduction 15, result has 88.5 percent of original size [2021-03-25 19:44:01,213 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-25 19:44:01,214 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:01,214 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,214 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:44:01,214 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:44:01,215 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,215 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:44:01,215 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:01,215 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,215 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:44:01,216 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:01,216 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,217 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-25 19:44:01,217 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:01,217 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,217 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-25 19:44:01,218 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:01,218 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,218 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:44:01,218 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:01,219 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,220 INFO L147 QuantifierPusher]: treesize reduction 49, result has 82.7 percent of original size 235 [2021-03-25 19:44:01,220 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:01,221 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,221 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:01,222 INFO L142 QuantifierPusher]: treesize reduction 59, result has 81.1 percent of original size [2021-03-25 19:44:01,222 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:01,222 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:01,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,223 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.1 percent of original size 48 [2021-03-25 19:44:01,224 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:01,224 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:01,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 19:44:01,225 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:01,226 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:01,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:44:01,227 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.3 percent of original size 321 [2021-03-25 19:44:01,228 INFO L147 QuantifierPusher]: treesize reduction -1, result has 100.3 percent of original size 321 [2021-03-25 19:44:01,230 INFO L142 QuantifierPusher]: treesize reduction -1, result has 100.3 percent of original size [2021-03-25 19:44:01,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-03-25 19:44:01,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:44:01,254 INFO L628 ElimStorePlain]: treesize reduction 313, result has 2.5 percent of original size [2021-03-25 19:44:01,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:44:01,255 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-25 19:44:01,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:01,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:01,284 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 19:44:01,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:44:01,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-03-25 19:44:01,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079581884] [2021-03-25 19:44:01,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-03-25 19:44:01,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:44:01,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-03-25 19:44:01,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-03-25 19:44:01,285 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:44:01,285 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 19:44:01,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:44:01,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:44:01,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:44:02,484 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: 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)))), 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 19:44:02,484 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:44:02,484 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:44:02,484 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:44:02,484 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:44:02,504 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 19:44:02,504 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:44:02,504 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:44:02,504 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:44:02,504 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:44:02,648 INFO L382 tUnfolder$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: 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))), 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 19:44:02,648 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:44:02,648 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:44:02,648 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:44:02,648 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:44:04,351 INFO L129 PetriNetUnfolder]: 3640/7221 cut-off events. [2021-03-25 19:44:04,351 INFO L130 PetriNetUnfolder]: For 119191/119323 co-relation queries the response was YES. [2021-03-25 19:44:04,600 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 19:44:04,673 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1348 selfloop transitions, 802 changer transitions 0/2162 dead transitions. [2021-03-25 19:44:04,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 2162 transitions, 87422 flow [2021-03-25 19:44:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-25 19:44:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-03-25 19:44:04,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 526 transitions. [2021-03-25 19:44:04,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6446078431372549 [2021-03-25 19:44:04,674 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 526 transitions. [2021-03-25 19:44:04,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 526 transitions. [2021-03-25 19:44:04,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:44:04,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 526 transitions. [2021-03-25 19:44:04,675 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 19:44:04,676 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 19:44:04,676 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 19:44:04,676 INFO L185 Difference]: Start difference. First operand has 326 places, 1858 transitions, 70339 flow. Second operand 24 states and 526 transitions. [2021-03-25 19:44:04,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 2162 transitions, 87422 flow [2021-03-25 19:44:06,329 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 19:44:06,385 INFO L241 Difference]: Finished difference. Result has 345 places, 2162 transitions, 85373 flow [2021-03-25 19:44:06,386 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 19:44:06,386 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 318 predicate places. [2021-03-25 19:44:06,386 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:44:06,387 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 2162 transitions, 85373 flow [2021-03-25 19:44:06,387 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 2162 transitions, 85373 flow [2021-03-25 19:44:06,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 345 places, 2162 transitions, 85373 flow [2021-03-25 19:44:07,157 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][1244], [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: 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: 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), 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: 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: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), 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: 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)))), 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 19:44:07,157 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:44:07,157 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:44:07,157 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:44:07,157 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:44:07,187 INFO L382 tUnfolder$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][1748], [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: 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, 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: 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))), 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)), Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), 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))), 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: 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: 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)))), 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 19:44:07,187 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:44:07,187 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:44:07,187 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:44:07,187 INFO L387 tUnfolder$Statistics]: existing Event has 11 ancestors and is cut-off event [2021-03-25 19:44:07,201 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][895], [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: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), 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))), 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: 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)))), 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 19:44:07,201 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:44:07,201 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:44:07,201 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:44:07,201 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:44:07,715 INFO L382 tUnfolder$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[][276], [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: 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, 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, 23#L81true, 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)))))), 1056#(<= (+ i2 2) i1), 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, 2601#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), 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: 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: 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)), 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: 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: 2159#(<= i1 i2), Black: 2410#(<= i2 (+ i1 2)), Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), 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: 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: 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)))), 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 19:44:07,715 INFO L384 tUnfolder$Statistics]: this new event has 14 ancestors and is not cut-off event [2021-03-25 19:44:07,715 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:07,716 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:07,716 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is not cut-off event [2021-03-25 19:44:07,843 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[][276], [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: 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: 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, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 23#L81true, 279#true, 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)))))), 1056#(<= (+ i2 2) i1), 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, 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: 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: 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: 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 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Black: 2175#(<= i1 (+ i2 2)), Black: 2411#(<= i2 (+ i1 3)), Black: 2223#(and (not (= i1 n)) (not (= n (+ i1 1))) (<= (+ i1 2) i2)), 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: 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)))), 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 19:44:07,843 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-25 19:44:07,843 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:07,844 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:44:07,844 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:07,854 INFO L382 tUnfolder$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[][276], [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: 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 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(<= 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 19:44:07,855 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-25 19:44:07,855 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:07,855 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:07,855 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:44:08,065 INFO L129 PetriNetUnfolder]: 3546/6894 cut-off events. [2021-03-25 19:44:08,065 INFO L130 PetriNetUnfolder]: For 121096/121137 co-relation queries the response was YES. [2021-03-25 19:44:08,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89380 conditions, 6894 events. 3546/6894 cut-off events. For 121096/121137 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 59868 event pairs, 0 based on Foata normal form. 0/6593 useless extension candidates. Maximal degree in co-relation 87637. Up to 1273 conditions per place. [2021-03-25 19:44:08,266 INFO L142 LiptonReduction]: Number of co-enabled transitions 22062 [2021-03-25 19:44:08,891 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:44:08,891 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:44:08,891 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2505 [2021-03-25 19:44:08,891 INFO L480 AbstractCegarLoop]: Abstraction has has 345 places, 2162 transitions, 85373 flow [2021-03-25 19:44:08,891 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 19:44:08,891 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:44:08,891 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 19:44:09,105 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 19:44:09,106 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:44:09,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:44:09,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1949506671, now seen corresponding path program 13 times [2021-03-25 19:44:09,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:44:09,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403997693] [2021-03-25 19:44:09,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:44:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:44:09,124 INFO L142 QuantifierPusher]: treesize reduction 38, result has 25.5 percent of original size [2021-03-25 19:44:09,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:09,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:44:09,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:44:09,143 INFO L142 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size [2021-03-25 19:44:09,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:44:09,170 INFO L142 QuantifierPusher]: treesize reduction 57, result has 41.8 percent of original size [2021-03-25 19:44:09,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 19:44:09,190 INFO L142 QuantifierPusher]: treesize reduction 65, result has 35.0 percent of original size [2021-03-25 19:44:09,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:44:09,220 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.6 percent of original size [2021-03-25 19:44:09,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 19:44:09,244 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-25 19:44:09,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 19:44:09,257 INFO L142 QuantifierPusher]: treesize reduction 14, result has 61.1 percent of original size [2021-03-25 19:44:09,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:44:09,286 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 19:44:09,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403997693] [2021-03-25 19:44:09,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500165249] [2021-03-25 19:44:09,286 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 19:44:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:44:09,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-25 19:44:09,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:44:09,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:09,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:09,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:09,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:09,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:09,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:09,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:09,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:09,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,318 INFO L147 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size 17 [2021-03-25 19:44:09,318 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-25 19:44:09,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:44:09,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:44:09,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 19:44:09,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,327 INFO L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-03-25 19:44:09,328 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 19:44:09,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:09,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,343 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-03-25 19:44:09,343 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size [2021-03-25 19:44:09,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:44:09,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:44:09,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:44:09,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:44:09,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:44:09,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:44:09,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 19:44:09,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,358 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-03-25 19:44:09,358 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-03-25 19:44:09,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:44:09,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:44:09,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:44:09,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,383 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.7 percent of original size 64 [2021-03-25 19:44:09,383 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-03-25 19:44:09,384 INFO L147 QuantifierPusher]: treesize reduction 4, result has 93.8 percent of original size 61 [2021-03-25 19:44:09,384 INFO L142 QuantifierPusher]: treesize reduction 4, result has 93.8 percent of original size [2021-03-25 19:44:09,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 19:44:09,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 19:44:09,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,402 INFO L147 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-03-25 19:44:09,402 INFO L142 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-03-25 19:44:09,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 19:44:09,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 19:44:09,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 19:44:09,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 19:44:09,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,431 INFO L147 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size 28 [2021-03-25 19:44:09,431 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-25 19:44:09,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:44:09,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:44:09,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 19:44:09,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:09,450 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size [2021-03-25 19:44:09,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 19:44:09,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:44:09,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:09,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 19:44:09,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 19:44:09,471 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,472 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 19:44:09,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:09,488 INFO L142 QuantifierPusher]: treesize reduction 13, result has 79.7 percent of original size [2021-03-25 19:44:09,488 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:44:09,488 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:44:09,489 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,489 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:44:09,489 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:09,490 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,490 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:44:09,490 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:09,490 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,491 INFO L147 QuantifierPusher]: treesize reduction 12, result has 88.6 percent of original size 93 [2021-03-25 19:44:09,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:09,492 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.8 percent of original size [2021-03-25 19:44:09,492 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 2, 3, 1] term [2021-03-25 19:44:09,492 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:09,493 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,493 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:44:09,493 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:44:09,493 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,493 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:44:09,494 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:09,494 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,494 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:44:09,494 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:09,495 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,495 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 2, 3, 1] term [2021-03-25 19:44:09,495 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:09,497 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,497 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 1] term [2021-03-25 19:44:09,497 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:09,497 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,498 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:44:09,498 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:09,498 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,499 INFO L147 QuantifierPusher]: treesize reduction 50, result has 82.5 percent of original size 235 [2021-03-25 19:44:09,500 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:09,500 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:09,503 INFO L142 QuantifierPusher]: treesize reduction 243, result has 58.6 percent of original size [2021-03-25 19:44:09,503 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:09,504 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:09,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,505 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 58 [2021-03-25 19:44:09,505 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:09,509 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,509 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:09,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:44:09,510 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:09,524 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:09,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,525 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.8 percent of original size 58 [2021-03-25 19:44:09,527 INFO L147 QuantifierPusher]: treesize reduction 152, result has 66.1 percent of original size 297 [2021-03-25 19:44:09,528 INFO L147 QuantifierPusher]: treesize reduction 152, result has 66.1 percent of original size 297 [2021-03-25 19:44:09,530 INFO L142 QuantifierPusher]: treesize reduction 152, result has 66.1 percent of original size [2021-03-25 19:44:09,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 297 [2021-03-25 19:44:09,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-25 19:44:09,548 INFO L628 ElimStorePlain]: treesize reduction 289, result has 2.7 percent of original size [2021-03-25 19:44:09,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:09,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-25 19:44:09,549 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:8 [2021-03-25 19:44:09,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:09,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 19:44:09,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:09,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 19:44:09,565 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 19:44:09,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 19:44:09,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-03-25 19:44:09,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483461533] [2021-03-25 19:44:09,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-25 19:44:09,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 19:44:09,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-25 19:44:09,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2021-03-25 19:44:09,566 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 34 [2021-03-25 19:44:09,566 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 19:44:09,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 19:44:09,566 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 34 [2021-03-25 19:44:09,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 19:44:11,132 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: 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)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 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 19:44:11,132 INFO L384 tUnfolder$Statistics]: this new event has 13 ancestors and is cut-off event [2021-03-25 19:44:11,132 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:44:11,132 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is cut-off event [2021-03-25 19:44:11,132 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is cut-off event [2021-03-25 19:44:11,339 INFO L382 tUnfolder$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: 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))), 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: 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)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 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 19:44:11,339 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:44:11,339 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:44:11,339 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:44:11,339 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:44:13,523 INFO L129 PetriNetUnfolder]: 4128/8206 cut-off events. [2021-03-25 19:44:13,523 INFO L130 PetriNetUnfolder]: For 140462/140594 co-relation queries the response was YES. [2021-03-25 19:44:13,613 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 19:44:13,696 INFO L132 encePairwiseOnDemand]: 28/34 looper letters, 1530 selfloop transitions, 905 changer transitions 0/2447 dead transitions. [2021-03-25 19:44:13,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 2447 transitions, 100334 flow [2021-03-25 19:44:13,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-03-25 19:44:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-03-25 19:44:13,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 591 transitions. [2021-03-25 19:44:13,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6437908496732027 [2021-03-25 19:44:13,697 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 591 transitions. [2021-03-25 19:44:13,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 591 transitions. [2021-03-25 19:44:13,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 19:44:13,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 591 transitions. [2021-03-25 19:44:13,698 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 19:44:13,699 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 19:44:13,699 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 19:44:13,699 INFO L185 Difference]: Start difference. First operand has 345 places, 2162 transitions, 85373 flow. Second operand 27 states and 591 transitions. [2021-03-25 19:44:13,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 2447 transitions, 100334 flow [2021-03-25 19:44:15,965 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 19:44:16,030 INFO L241 Difference]: Finished difference. Result has 367 places, 2447 transitions, 98250 flow [2021-03-25 19:44:16,032 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 19:44:16,032 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 340 predicate places. [2021-03-25 19:44:16,032 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 19:44:16,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 367 places, 2447 transitions, 98250 flow [2021-03-25 19:44:16,032 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 367 places, 2447 transitions, 98250 flow [2021-03-25 19:44:16,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 367 places, 2447 transitions, 98250 flow [2021-03-25 19:44:16,752 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][1481], [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: 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, 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))), 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: 2804#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2070#(<= i1 (+ i2 2)), Black: 2807#(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: 2071#(<= i1 (+ i2 3)), Black: 2323#(<= i2 (+ i1 1)), Black: 2808#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2077#(<= i1 i2), Black: 2324#(<= i2 (+ i1 2)), Black: 2809#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2146#true, Black: 2891#(and (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))) (or (not (= n (+ i2 1))) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= i2 i1))), 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: 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))), 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: 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)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 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 19:44:16,752 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:44:16,752 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:44:16,752 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:44:16,752 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:44:16,848 INFO L382 tUnfolder$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][1083], [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: 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))), 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: 2804#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2807#(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: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2808#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2809#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2325#(<= i2 i1), Black: 2891#(and (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))) (or (not (= n (+ i2 1))) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= 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))), 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: 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)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 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 19:44:16,848 INFO L384 tUnfolder$Statistics]: this new event has 12 ancestors and is not cut-off event [2021-03-25 19:44:16,848 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:44:16,848 INFO L387 tUnfolder$Statistics]: existing Event has 12 ancestors and is not cut-off event [2021-03-25 19:44:16,848 INFO L387 tUnfolder$Statistics]: existing Event has 13 ancestors and is not cut-off event [2021-03-25 19:44:18,193 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[][377], [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: 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, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, 1056#(<= (+ i2 2) i1), 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, 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))), 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: 2804#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2070#(<= i1 (+ i2 2)), Black: 54#(<= i2 i1), Black: 2807#(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: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2808#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2324#(<= i2 (+ i1 2)), Black: 2809#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), 2146#true, Black: 2325#(<= i2 i1), Black: 2891#(and (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))) (or (not (= n (+ i2 1))) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= 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: 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: 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: 2149#(<= i1 (+ i2 1)), Black: 2417#(<= i2 i1), 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)), 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: 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: 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)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 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 19:44:18,193 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-25 19:44:18,193 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:18,193 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:18,193 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:44:18,241 INFO L382 tUnfolder$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[][377], [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: 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, Black: 218#(<= i2 i1), Black: 268#(and (< i2 n) (<= (+ i2 1) i1)), 279#true, 23#L81true, 1056#(<= (+ i2 2) i1), 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))), 2596#true, 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))), 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: 2804#(or (and (<= s1 (+ s2 (select x i1))) (<= (+ s2 (select x i1)) s1)) (<= (+ i2 2) i1) (<= i1 i2)), Black: 2807#(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: 54#(<= i2 i1), Black: 2071#(<= i1 (+ i2 3)), Black: 2077#(<= i1 i2), Black: 2323#(<= i2 (+ i1 1)), Black: 2808#(or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))), Black: 2324#(<= i2 (+ i1 2)), 2146#true, Black: 2809#(or (not (= i2 n)) (not (= i2 i1)) (and (< s1 (+ s2 1)) (<= s2 s1))), Black: 2325#(<= i2 i1), Black: 2891#(and (or (not (= n (+ i1 1))) (not (= i2 n)) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2))) (or (not (= n (+ i2 1))) (and (<= s2 (+ s1 (select x i2))) (<= (+ s1 (select x i2)) s2)) (<= (+ i1 2) i2) (<= 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: 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: 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))), Black: 2149#(<= i1 (+ i2 1)), Black: 2417#(<= i2 i1), 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)), 2232#true, 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)), 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: 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)))), Black: 1510#(and (<= (+ i1 1) i2) (< i1 n)), 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 19:44:18,241 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-25 19:44:18,241 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:18,241 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-25 19:44:18,241 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-25 19:44:18,642 INFO L129 PetriNetUnfolder]: 4031/7825 cut-off events. [2021-03-25 19:44:18,642 INFO L130 PetriNetUnfolder]: For 140758/140801 co-relation queries the response was YES. [2021-03-25 19:44:18,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102812 conditions, 7825 events. 4031/7825 cut-off events. For 140758/140801 co-relation queries the response was YES. Maximal size of possible extension queue 687. Compared 69290 event pairs, 0 based on Foata normal form. 0/7498 useless extension candidates. Maximal degree in co-relation 101054. Up to 1465 conditions per place. [2021-03-25 19:44:18,892 INFO L142 LiptonReduction]: Number of co-enabled transitions 25044 [2021-03-25 19:44:19,697 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 19:44:19,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 19:44:19,698 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3666 [2021-03-25 19:44:19,698 INFO L480 AbstractCegarLoop]: Abstraction has has 367 places, 2447 transitions, 98250 flow [2021-03-25 19:44:19,698 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 19:44:19,698 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 19:44:19,698 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 19:44:19,912 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable205 [2021-03-25 19:44:19,913 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-25 19:44:19,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 19:44:19,913 INFO L82 PathProgramCache]: Analyzing trace with hash 436481143, now seen corresponding path program 15 times [2021-03-25 19:44:19,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 19:44:19,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082174114] [2021-03-25 19:44:19,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 19:44:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 19:44:19,939 INFO L142 QuantifierPusher]: treesize reduction 42, result has 34.4 percent of original size [2021-03-25 19:44:19,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:44:19,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:19,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 19:44:19,958 INFO L142 QuantifierPusher]: treesize reduction 34, result has 54.7 percent of original size [2021-03-25 19:44:19,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 19:44:19,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:19,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:44:19,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:19,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 19:44:20,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 19:44:20,009 INFO L142 QuantifierPusher]: treesize reduction 39, result has 42.6 percent of original size [2021-03-25 19:44:20,010 INFO L147 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size 20 [2021-03-25 19:44:20,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:44:20,025 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 19:44:20,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 19:44:20,029 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 19:44:20,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082174114] [2021-03-25 19:44:20,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802151005] [2021-03-25 19:44:20,029 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 19:44:20,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-03-25 19:44:20,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-25 19:44:20,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-25 19:44:20,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 19:44:20,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 19:44:20,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,067 INFO L147 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size 24 [2021-03-25 19:44:20,067 INFO L142 QuantifierPusher]: treesize reduction 7, result has 78.1 percent of original size [2021-03-25 19:44:20,068 INFO L147 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size 15 [2021-03-25 19:44:20,068 INFO L142 QuantifierPusher]: treesize reduction 6, result has 71.4 percent of original size [2021-03-25 19:44:20,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:44:20,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 19:44:20,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 19:44:20,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:44:20,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:44:20,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 19:44:20,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,086 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size 26 [2021-03-25 19:44:20,087 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-25 19:44:20,087 INFO L147 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size 18 [2021-03-25 19:44:20,087 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-03-25 19:44:20,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:44:20,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:44:20,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:44:20,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:44:20,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:44:20,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 19:44:20,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,100 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.9 percent of original size 24 [2021-03-25 19:44:20,100 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-25 19:44:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:44:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:44:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 19:44:20,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,112 INFO L147 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size 30 [2021-03-25 19:44:20,113 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-25 19:44:20,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:44:20,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:44:20,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 19:44:20,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 19:44:20,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,127 INFO L147 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size 25 [2021-03-25 19:44:20,127 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-03-25 19:44:20,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:44:20,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 19:44:20,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,141 INFO L147 QuantifierPusher]: treesize reduction 3, result has 91.7 percent of original size 33 [2021-03-25 19:44:20,141 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-03-25 19:44:20,141 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size 30 [2021-03-25 19:44:20,142 INFO L142 QuantifierPusher]: treesize reduction 6, result has 83.3 percent of original size [2021-03-25 19:44:20,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:44:20,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 19:44:20,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 19:44:20,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,159 INFO L142 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size [2021-03-25 19:44:20,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:44:20,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 19:44:20,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 19:44:20,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 19:44:20,259 INFO L354 Elim1Store]: treesize reduction 20, result has 85.0 percent of original size [2021-03-25 19:44:20,259 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 19:44:20,260 INFO L142 QuantifierPusher]: treesize reduction 12, result has 90.6 percent of original size [2021-03-25 19:44:20,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,262 INFO L142 QuantifierPusher]: treesize reduction 26, result has 79.0 percent of original size [2021-03-25 19:44:20,262 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 1] term [2021-03-25 19:44:20,262 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2021-03-25 19:44:20,263 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,263 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 1] term [2021-03-25 19:44:20,263 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-25 19:44:20,264 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,264 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2021-03-25 19:44:20,264 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 19:44:20,265 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,265 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2021-03-25 19:44:20,265 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:44:20,265 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,266 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2021-03-25 19:44:20,266 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:44:20,266 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,267 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:44:20,267 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,267 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,267 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:44:20,267 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,268 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,270 INFO L147 QuantifierPusher]: treesize reduction 119, result has 76.1 percent of original size 379 [2021-03-25 19:44:20,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,272 INFO L142 QuantifierPusher]: treesize reduction 129, result has 76.3 percent of original size [2021-03-25 19:44:20,272 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,273 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,273 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,275 INFO L142 QuantifierPusher]: treesize reduction 53, result has 93.3 percent of original size [2021-03-25 19:44:20,276 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:44:20,276 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,276 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,277 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:44:20,277 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,277 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,278 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:44:20,278 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,279 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2021-03-25 19:44:20,279 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,280 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,280 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2021-03-25 19:44:20,280 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,280 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,282 INFO L147 QuantifierPusher]: treesize reduction 25, result has 78.6 percent of original size 92 [2021-03-25 19:44:20,282 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:44:20,282 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,283 INFO L142 QuantifierPusher]: treesize reduction 8, result has 92.2 percent of original size [2021-03-25 19:44:20,283 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,284 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,285 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,285 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,286 INFO L147 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size 13 [2021-03-25 19:44:20,287 INFO L147 QuantifierPusher]: treesize reduction 17, result has 77.0 percent of original size 57 [2021-03-25 19:44:20,287 INFO L147 QuantifierPusher]: treesize reduction 13, result has 91.5 percent of original size 140 [2021-03-25 19:44:20,288 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 19:44:20,288 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,289 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:44:20,290 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,291 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:44:20,291 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,292 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,293 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,293 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,294 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,294 INFO L142 QuantifierPusher]: treesize reduction 25, result has 61.5 percent of original size [2021-03-25 19:44:20,295 INFO L147 QuantifierPusher]: treesize reduction 13, result has 43.5 percent of original size 10 [2021-03-25 19:44:20,295 INFO L147 QuantifierPusher]: treesize reduction 11, result has 89.3 percent of original size 92 [2021-03-25 19:44:20,296 INFO L147 QuantifierPusher]: treesize reduction 28, result has 84.5 percent of original size 153 [2021-03-25 19:44:20,297 INFO L147 QuantifierPusher]: treesize reduction 64, result has 76.7 percent of original size 211 [2021-03-25 19:44:20,298 INFO L147 QuantifierPusher]: treesize reduction 83, result has 80.6 percent of original size 344 [2021-03-25 19:44:20,301 INFO L147 QuantifierPusher]: treesize reduction 194, result has 84.2 percent of original size 1030 [2021-03-25 19:44:20,305 INFO L147 QuantifierPusher]: treesize reduction 194, result has 84.3 percent of original size 1045 [2021-03-25 19:44:20,306 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,307 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,313 INFO L142 QuantifierPusher]: treesize reduction 459, result has 81.6 percent of original size [2021-03-25 19:44:20,314 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,315 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,315 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,320 INFO L142 QuantifierPusher]: treesize reduction 256, result has 85.8 percent of original size [2021-03-25 19:44:20,321 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:44:20,321 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,322 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,322 INFO L142 QuantifierPusher]: treesize reduction 28, result has 73.6 percent of original size [2021-03-25 19:44:20,322 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,323 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,323 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,323 INFO L142 QuantifierPusher]: treesize reduction 14, result has 82.1 percent of original size [2021-03-25 19:44:20,324 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,324 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,324 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 19:44:20,326 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.1 percent of original size 96 [2021-03-25 19:44:20,326 INFO L147 QuantifierPusher]: treesize reduction -2, result has 101.5 percent of original size 138 [2021-03-25 19:44:20,326 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,327 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,327 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-03-25 19:44:20,327 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,328 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,328 INFO L142 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size [2021-03-25 19:44:20,329 INFO L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-03-25 19:44:20,329 INFO L147 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size 21 [2021-03-25 19:44:20,329 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,330 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,330 INFO L142 QuantifierPusher]: treesize reduction 11, result has 67.6 percent of original size [2021-03-25 19:44:20,330 INFO L147 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size 17 [2021-03-25 19:44:20,331 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,331 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,332 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.9 percent of original size [2021-03-25 19:44:20,332 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,332 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 19:44:20,334 INFO L147 QuantifierPusher]: treesize reduction -1, result has 101.3 percent of original size 76 [2021-03-25 19:44:20,336 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-03-25 19:44:20,336 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,337 INFO L142 QuantifierPusher]: treesize reduction 74, result has 24.5 percent of original size [2021-03-25 19:44:20,337 INFO L147 QuantifierPusher]: treesize reduction 5, result has 80.0 percent of original size 20 [2021-03-25 19:44:20,337 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,338 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,338 INFO L142 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-03-25 19:44:20,339 INFO L147 QuantifierPusher]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-03-25 19:44:20,340 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:44:20,340 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,341 INFO L142 QuantifierPusher]: treesize reduction 18, result has 90.5 percent of original size [2021-03-25 19:44:20,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,345 INFO L142 QuantifierPusher]: treesize reduction 84, result has 62.0 percent of original size [2021-03-25 19:44:20,346 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 19:44:20,346 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,356 INFO L142 QuantifierPusher]: treesize reduction 30, result has 86.0 percent of original size [2021-03-25 19:44:20,356 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-25 19:44:20,357 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,358 INFO L142 QuantifierPusher]: treesize reduction 32, result has 90.5 percent of original size [2021-03-25 19:44:20,365 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-25 19:44:20,365 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,366 INFO L142 QuantifierPusher]: treesize reduction 17, result has 92.5 percent of original size [2021-03-25 19:44:20,440 INFO L147 QuantifierPusher]: treesize reduction -10, result has 101.8 percent of original size 561 [2021-03-25 19:44:20,441 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-03-25 19:44:20,441 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,443 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:44:20,444 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,455 INFO L147 QuantifierPusher]: treesize reduction -4, result has 101.3 percent of original size 307 [2021-03-25 19:44:20,459 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2021-03-25 19:44:20,460 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,461 INFO L142 QuantifierPusher]: treesize reduction 17, result has 92.5 percent of original size [2021-03-25 19:44:20,469 INFO L147 QuantifierPusher]: treesize reduction -10, result has 101.8 percent of original size 561 [2021-03-25 19:44:20,471 INFO L147 QuantifierPusher]: treesize reduction -14, result has 101.6 percent of original size 873 [2021-03-25 19:44:20,473 INFO L147 QuantifierPusher]: treesize reduction 538, result has 62.0 percent of original size 877 [2021-03-25 19:44:20,474 INFO L147 QuantifierPusher]: treesize reduction 538, result has 62.0 percent of original size 877 [2021-03-25 19:44:20,475 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-25 19:44:20,476 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,478 INFO L142 QuantifierPusher]: treesize reduction -24, result has 101.7 percent of original size [2021-03-25 19:44:20,479 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-25 19:44:20,480 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,482 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,483 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-03-25 19:44:20,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 863 [2021-03-25 19:44:20,488 INFO L147 QuantifierPusher]: treesize reduction 263, result has 81.5 percent of original size 1160 [2021-03-25 19:44:20,489 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:44:20,489 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,490 INFO L142 QuantifierPusher]: treesize reduction 26, result has 86.5 percent of original size [2021-03-25 19:44:20,490 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-03-25 19:44:20,491 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,492 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,492 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,501 INFO L147 QuantifierPusher]: treesize reduction 23, result has 92.6 percent of original size 287 [2021-03-25 19:44:20,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,507 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.9 percent of original size [2021-03-25 19:44:20,507 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,510 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,514 INFO L147 QuantifierPusher]: treesize reduction -2, result has 101.8 percent of original size 116 [2021-03-25 19:44:20,515 INFO L147 QuantifierPusher]: treesize reduction -2, result has 101.8 percent of original size 116 [2021-03-25 19:44:20,515 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,516 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,517 INFO L142 QuantifierPusher]: treesize reduction -2, result has 101.5 percent of original size [2021-03-25 19:44:20,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-03-25 19:44:20,519 INFO L147 QuantifierPusher]: treesize reduction 23, result has 95.0 percent of original size 436 [2021-03-25 19:44:20,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,528 INFO L142 QuantifierPusher]: treesize reduction 10, result has 91.2 percent of original size [2021-03-25 19:44:20,529 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-03-25 19:44:20,529 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,547 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:44:20,548 INFO L147 QuantifierPusher]: treesize reduction 47, result has 83.8 percent of original size 244 [2021-03-25 19:44:20,548 INFO L147 QuantifierPusher]: treesize reduction 47, result has 83.8 percent of original size 244 [2021-03-25 19:44:20,549 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,549 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,550 INFO L142 QuantifierPusher]: treesize reduction 47, result has 85.0 percent of original size [2021-03-25 19:44:20,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-03-25 19:44:20,553 INFO L147 QuantifierPusher]: treesize reduction 23, result has 96.8 percent of original size 705 [2021-03-25 19:44:20,556 INFO L147 QuantifierPusher]: treesize reduction 286, result has 86.8 percent of original size 1884 [2021-03-25 19:44:20,559 INFO L147 QuantifierPusher]: treesize reduction 286, result has 86.8 percent of original size 1884 [2021-03-25 19:44:20,560 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-03-25 19:44:20,560 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,564 INFO L142 QuantifierPusher]: treesize reduction 286, result has 87.0 percent of original size [2021-03-25 19:44:20,568 INFO L725 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2021-03-25 19:44:20,568 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-25 19:44:20,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 19:44:20,711 INFO L842 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:44:21,101 INFO L842 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:44:21,632 INFO L842 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:44:22,352 INFO L842 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:44:23,319 INFO L842 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:44:27,282 INFO L842 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:44:33,687 INFO L842 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:44:41,191 INFO L842 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:44:50,158 INFO L842 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:44:59,990 INFO L842 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:45:11,698 INFO L842 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:45:25,485 INFO L842 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:45:39,854 INFO L842 QuantifierPusher]: Run 130 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:45:55,149 INFO L842 QuantifierPusher]: Run 140 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:46:11,157 INFO L842 QuantifierPusher]: Run 150 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:46:28,339 INFO L842 QuantifierPusher]: Run 160 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:46:46,781 INFO L842 QuantifierPusher]: Run 170 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:47:06,527 INFO L842 QuantifierPusher]: Run 180 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:47:30,326 INFO L842 QuantifierPusher]: Run 190 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:47:58,682 INFO L842 QuantifierPusher]: Run 200 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:48:28,805 INFO L842 QuantifierPusher]: Run 210 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:49:00,538 INFO L842 QuantifierPusher]: Run 220 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:49:33,832 INFO L842 QuantifierPusher]: Run 230 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:50:08,986 INFO L842 QuantifierPusher]: Run 240 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:50:47,484 INFO L842 QuantifierPusher]: Run 250 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:51:25,659 INFO L842 QuantifierPusher]: Run 260 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:52:05,555 INFO L842 QuantifierPusher]: Run 270 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:52:47,374 INFO L842 QuantifierPusher]: Run 280 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:53:30,145 INFO L842 QuantifierPusher]: Run 290 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:54:14,623 INFO L842 QuantifierPusher]: Run 300 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:55:00,657 INFO L842 QuantifierPusher]: Run 310 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:55:50,034 INFO L842 QuantifierPusher]: Run 320 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:56:39,315 INFO L842 QuantifierPusher]: Run 330 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-03-25 19:57:36,753 INFO L842 QuantifierPusher]: Run 340 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown