/usr/bin/java -Xmx8000000000 -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-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 06:46:50,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 06:46:50,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 06:46:51,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 06:46:51,087 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-POR-NewStatesSleep-NoLbe-Random42.epf [2021-08-07 06:46:51,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 06:46:51,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 06:46:51,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 06:46:51,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 06:46:51,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 06:46:51,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 06:46:51,128 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 06:46:51,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 06:46:51,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 06:46:51,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 06:46:51,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 06:46:51,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 06:46:51,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 06:46:51,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 06:46:51,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 06:46:51,130 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 06:46:51,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 06:46:51,130 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 06:46:51,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 06:46:51,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 06:46:51,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 06:46:51,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 06:46:51,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 06:46:51,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 06:46:51,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 06:46:51,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 06:46:51,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 06:46:51,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 06:46:51,131 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-07 06:46:51,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 06:46:51,132 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 06:46:51,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 06:46:51,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 06:46:51,132 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-07 06:46:51,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-07 06:46:51,132 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 06:46:51,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 06:46:51,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 06:46:51,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 06:46:51,480 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 06:46:51,481 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 06:46:51,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2021-08-07 06:46:51,482 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2021-08-07 06:46:51,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 06:46:51,505 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 06:46:51,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 06:46:51,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 06:46:51,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 06:46:51,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/1) ... [2021-08-07 06:46:51,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/1) ... [2021-08-07 06:46:51,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 06:46:51,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 06:46:51,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 06:46:51,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 06:46:51,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/1) ... [2021-08-07 06:46:51,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/1) ... [2021-08-07 06:46:51,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/1) ... [2021-08-07 06:46:51,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/1) ... [2021-08-07 06:46:51,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/1) ... [2021-08-07 06:46:51,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/1) ... [2021-08-07 06:46:51,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/1) ... [2021-08-07 06:46:51,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 06:46:51,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 06:46:51,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 06:46:51,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 06:46:51,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/1) ... [2021-08-07 06:46:51,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 06:46:51,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:46:51,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 06:46:51,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 06:46:51,631 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-07 06:46:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 06:46:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 06:46:51,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-07 06:46:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 06:46:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 06:46:51,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 06:46:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 06:46:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 06:46:51,632 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-07 06:46:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-07 06:46:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-07 06:46:51,633 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 06:46:51,887 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 06:46:51,887 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-07 06:46:51,889 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 06:46:51 BoogieIcfgContainer [2021-08-07 06:46:51,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 06:46:51,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 06:46:51,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 06:46:51,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 06:46:51,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 06:46:51" (1/2) ... [2021-08-07 06:46:51,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78dca40 and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 06:46:51, skipping insertion in model container [2021-08-07 06:46:51,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 06:46:51" (2/2) ... [2021-08-07 06:46:51,895 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2021-08-07 06:46:51,899 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 06:46:51,899 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 06:46:51,899 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 06:46:51,899 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 06:46:51,976 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-07 06:46:52,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 06:46:52,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:46:52,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 06:46:52,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 06:46:52,128 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 06:46:52,136 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 06:46:52,137 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 06:46:52,196 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:46:52,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:46:52,201 INFO L82 PathProgramCache]: Analyzing trace with hash 471854238, now seen corresponding path program 1 times [2021-08-07 06:46:52,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:46:52,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608424452] [2021-08-07 06:46:52,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:46:52,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:46:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:46:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:46:52,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:46:52,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608424452] [2021-08-07 06:46:52,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608424452] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 06:46:52,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 06:46:52,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 06:46:52,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905593498] [2021-08-07 06:46:52,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 06:46:52,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:46:52,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 06:46:52,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 06:46:52,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:52,446 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:46:52,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:46:52,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:52,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:46:52,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 06:46:52,479 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:46:52,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:46:52,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1884050180, now seen corresponding path program 1 times [2021-08-07 06:46:52,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:46:52,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809685409] [2021-08-07 06:46:52,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:46:52,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:46:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:46:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 06:46:52,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:46:52,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809685409] [2021-08-07 06:46:52,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809685409] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 06:46:52,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 06:46:52,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-07 06:46:52,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821238153] [2021-08-07 06:46:52,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-07 06:46:52,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:46:52,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-07 06:46:52,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-07 06:46:52,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:52,573 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:46:52,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:46:52,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:46:52,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:52,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:46:52,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:46:52,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 06:46:52,646 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:46:52,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:46:52,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1813922812, now seen corresponding path program 1 times [2021-08-07 06:46:52,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:46:52,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714970135] [2021-08-07 06:46:52,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:46:52,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:46:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:46:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:46:52,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:46:52,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714970135] [2021-08-07 06:46:52,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714970135] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:46:52,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496493427] [2021-08-07 06:46:52,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:46:52,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:46:52,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:46:52,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 06:46:52,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 06:46:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:46:52,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-07 06:46:52,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:46:53,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 06:46:53,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496493427] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 06:46:53,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-07 06:46:53,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2021-08-07 06:46:53,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028893594] [2021-08-07 06:46:53,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-07 06:46:53,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:46:53,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-07 06:46:53,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-07 06:46:53,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:53,099 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:46:53,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:46:53,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:46:53,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:46:53,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:53,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:46:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:46:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:46:53,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-07 06:46:53,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-08-07 06:46:53,357 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:46:53,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:46:53,358 INFO L82 PathProgramCache]: Analyzing trace with hash -646339366, now seen corresponding path program 1 times [2021-08-07 06:46:53,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:46:53,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025455450] [2021-08-07 06:46:53,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:46:53,359 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:46:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:46:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:46:53,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:46:53,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025455450] [2021-08-07 06:46:53,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025455450] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:46:53,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462171016] [2021-08-07 06:46:53,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:46:53,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:46:53,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:46:53,822 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 06:46:53,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 06:46:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:46:53,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-07 06:46:53,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:46:54,658 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-07 06:46:54,659 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 51 treesize of output 47 [2021-08-07 06:46:55,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:46:55,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462171016] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:46:55,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:46:55,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-08-07 06:46:55,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317382171] [2021-08-07 06:46:55,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-07 06:46:55,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:46:55,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-07 06:46:55,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-08-07 06:46:55,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:55,149 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:46:55,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:46:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:46:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:46:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:46:55,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:55,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:46:55,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:46:55,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:46:55,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:46:55,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 06:46:55,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:46:55,650 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:46:55,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:46:55,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1568687672, now seen corresponding path program 2 times [2021-08-07 06:46:55,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:46:55,651 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225580871] [2021-08-07 06:46:55,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:46:55,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:46:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:46:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:46:55,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:46:55,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225580871] [2021-08-07 06:46:55,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225580871] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:46:55,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068134132] [2021-08-07 06:46:55,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 06:46:55,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:46:55,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:46:55,735 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 06:46:55,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 06:46:55,852 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 06:46:55,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 06:46:55,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-07 06:46:55,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:46:56,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:46:56,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068134132] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:46:56,105 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:46:56,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-08-07 06:46:56,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373205433] [2021-08-07 06:46:56,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-07 06:46:56,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:46:56,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-07 06:46:56,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-08-07 06:46:56,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:56,107 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:46:56,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:46:56,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:46:56,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:46:56,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:46:56,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:46:56,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:56,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:46:56,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:46:56,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:46:56,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:46:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:46:56,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 06:46:56,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:46:56,517 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:46:56,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:46:56,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1228140762, now seen corresponding path program 1 times [2021-08-07 06:46:56,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:46:56,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869718009] [2021-08-07 06:46:56,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:46:56,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:46:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:46:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:46:57,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:46:57,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869718009] [2021-08-07 06:46:57,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869718009] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:46:57,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875109453] [2021-08-07 06:46:57,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:46:57,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:46:57,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:46:57,249 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 06:46:57,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 06:46:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:46:57,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 28 conjunts are in the unsatisfiable core [2021-08-07 06:46:57,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:46:59,200 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-08-07 06:46:59,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 110 treesize of output 79 [2021-08-07 06:46:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:46:59,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875109453] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:46:59,722 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:46:59,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2021-08-07 06:46:59,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722154450] [2021-08-07 06:46:59,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-07 06:46:59,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:46:59,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-07 06:46:59,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-08-07 06:46:59,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:46:59,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:46:59,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.263157894736842) internal successors, (43), 19 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:46:59,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:46:59,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:46:59,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:46:59,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:46:59,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:46:59,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:47:01,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:47:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:47:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:47:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:47:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:47:01,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:47:01,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 06:47:01,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:47:01,320 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:47:01,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:47:01,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1009693496, now seen corresponding path program 2 times [2021-08-07 06:47:01,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:47:01,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951475280] [2021-08-07 06:47:01,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:47:01,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:47:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:47:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:47:01,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:47:01,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951475280] [2021-08-07 06:47:01,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951475280] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:47:01,415 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704376757] [2021-08-07 06:47:01,415 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 06:47:01,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:47:01,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:47:01,416 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 06:47:01,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 06:47:01,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 06:47:01,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 06:47:01,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-07 06:47:01,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:47:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:47:01,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704376757] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:47:01,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:47:01,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2021-08-07 06:47:01,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809968238] [2021-08-07 06:47:01,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-07 06:47:01,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:47:01,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-07 06:47:01,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-08-07 06:47:01,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:47:01,908 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:47:01,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:47:01,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:47:01,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:47:01,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:47:01,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:47:01,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:47:01,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:47:01,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:47:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:47:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:47:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:47:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:47:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:47:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:47:02,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 06:47:02,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 06:47:02,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:47:02,391 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:47:02,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:47:02,391 INFO L82 PathProgramCache]: Analyzing trace with hash 905649626, now seen corresponding path program 3 times [2021-08-07 06:47:02,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:47:02,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482880817] [2021-08-07 06:47:02,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:47:02,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:47:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:47:06,625 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:47:06,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:47:06,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482880817] [2021-08-07 06:47:06,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482880817] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:47:06,625 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445149104] [2021-08-07 06:47:06,626 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 06:47:06,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:47:06,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:47:06,633 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 06:47:06,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 06:47:06,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-07 06:47:06,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 06:47:06,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 35 conjunts are in the unsatisfiable core [2021-08-07 06:47:06,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:47:19,995 INFO L354 Elim1Store]: treesize reduction 21, result has 48.8 percent of original size [2021-08-07 06:47:19,995 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 217 treesize of output 160 [2021-08-07 06:47:20,582 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:47:20,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445149104] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:47:20,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:47:20,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-08-07 06:47:20,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072204358] [2021-08-07 06:47:20,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-08-07 06:47:20,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:47:20,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-08-07 06:47:20,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2021-08-07 06:47:20,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:47:20,584 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:47:20,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.1923076923076925) internal successors, (57), 26 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:47:20,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:47:20,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:47:20,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:47:20,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:47:20,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:47:20,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:47:20,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 06:47:20,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:47:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:47:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:47:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:47:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:47:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:47:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:47:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 06:47:22,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 06:47:23,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 06:47:23,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:47:23,190 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:47:23,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:47:23,191 INFO L82 PathProgramCache]: Analyzing trace with hash -823033544, now seen corresponding path program 4 times [2021-08-07 06:47:23,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:47:23,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746140585] [2021-08-07 06:47:23,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:47:23,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:47:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:47:23,307 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:47:23,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:47:23,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746140585] [2021-08-07 06:47:23,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746140585] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:47:23,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281733359] [2021-08-07 06:47:23,308 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 06:47:23,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:47:23,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:47:23,309 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 06:47:23,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 06:47:23,760 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 06:47:23,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 06:47:23,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-07 06:47:23,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:47:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:47:24,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281733359] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:47:24,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:47:24,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2021-08-07 06:47:24,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514854196] [2021-08-07 06:47:24,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-07 06:47:24,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:47:24,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-07 06:47:24,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2021-08-07 06:47:24,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:47:24,048 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:47:24,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.526315789473684) internal successors, (48), 19 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:47:24,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:47:24,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:47:24,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:47:24,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:47:24,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:47:24,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:47:24,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 06:47:24,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 06:47:24,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:47:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:47:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:47:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:47:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:47:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:47:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:47:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 06:47:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 06:47:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 06:47:24,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-07 06:47:24,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-07 06:47:24,565 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:47:24,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:47:24,565 INFO L82 PathProgramCache]: Analyzing trace with hash 591555546, now seen corresponding path program 5 times [2021-08-07 06:47:24,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:47:24,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255391667] [2021-08-07 06:47:24,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:47:24,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:47:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:47:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:47:26,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:47:26,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255391667] [2021-08-07 06:47:26,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255391667] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:47:26,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782851615] [2021-08-07 06:47:26,954 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 06:47:26,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:47:26,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:47:26,958 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 06:47:26,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-07 06:47:27,411 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-08-07 06:47:27,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 06:47:27,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 41 conjunts are in the unsatisfiable core [2021-08-07 06:47:27,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:48:21,654 INFO L354 Elim1Store]: treesize reduction 54, result has 5.3 percent of original size [2021-08-07 06:48:21,654 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 432 treesize of output 267 [2021-08-07 06:48:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:48:23,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782851615] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:48:23,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:48:23,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 30 [2021-08-07 06:48:23,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941224062] [2021-08-07 06:48:23,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-07 06:48:23,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:48:23,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-07 06:48:23,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2021-08-07 06:48:23,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:48:23,144 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:48:23,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.2) internal successors, (66), 30 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:48:23,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:48:23,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:48:23,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:48:23,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:48:23,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:48:23,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:48:23,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 06:48:23,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 06:48:23,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-07 06:48:23,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:48:26,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:48:26,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:48:26,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:48:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:48:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:48:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:48:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 06:48:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 06:48:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 06:48:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:48:26,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-07 06:48:27,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-07 06:48:27,086 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:48:27,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:48:27,087 INFO L82 PathProgramCache]: Analyzing trace with hash -914624456, now seen corresponding path program 6 times [2021-08-07 06:48:27,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:48:27,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064084909] [2021-08-07 06:48:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:48:27,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:48:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 06:48:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:48:27,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 06:48:27,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064084909] [2021-08-07 06:48:27,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064084909] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:48:27,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822411597] [2021-08-07 06:48:27,213 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 06:48:27,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 06:48:27,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 06:48:27,214 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 06:48:27,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-08-07 06:48:27,985 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-08-07 06:48:27,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 06:48:27,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-07 06:48:27,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 06:48:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 06:48:28,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822411597] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 06:48:28,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 06:48:28,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 22 [2021-08-07 06:48:28,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331217931] [2021-08-07 06:48:28,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-08-07 06:48:28,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 06:48:28,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-08-07 06:48:28,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2021-08-07 06:48:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:48:28,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 06:48:28,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.4545454545454546) internal successors, (54), 22 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 06:48:28,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:48:28,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:48:28,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:48:28,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:48:28,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:48:28,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:48:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 06:48:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-08-07 06:48:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-07 06:48:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:48:28,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 06:48:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 06:48:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-07 06:48:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 06:48:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 06:48:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 06:48:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:48:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 06:48:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 06:48:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 06:48:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-08-07 06:48:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-07 06:48:28,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-08-07 06:48:28,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-08-07 06:48:28,889 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 06:48:28,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 06:48:28,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1527964966, now seen corresponding path program 7 times [2021-08-07 06:48:28,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 06:48:28,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165416495] [2021-08-07 06:48:28,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 06:48:28,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 06:48:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-07 07:01:14,238 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-07 07:01:14,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-07 07:01:14,239 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-3-2-6-2-4-4-7-4-6-3-7-3-6-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-5-3-4-3-4-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-43-5-6-7-7-6-7-7-7-6-8-7-8-6-8-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-5-7-4-7-4-7-3-7-3-5-3-4-3-4-3-3-2-3-1 context. [2021-08-07 07:01:14,240 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 07:01:14,241 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 07:01:14,243 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 07:01:14,250 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 07:01:14,250 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 07:01:14,252 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 07:01:14 BasicIcfg [2021-08-07 07:01:14,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 07:01:14,253 INFO L168 Benchmark]: Toolchain (without parser) took 862748.40 ms. Allocated memory was 189.8 MB in the beginning and 914.4 MB in the end (delta: 724.6 MB). Free memory was 170.2 MB in the beginning and 782.7 MB in the end (delta: -612.5 MB). Peak memory consumption was 585.6 MB. Max. memory is 8.0 GB. [2021-08-07 07:01:14,253 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 189.8 MB. Free memory is still 171.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 07:01:14,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.37 ms. Allocated memory is still 189.8 MB. Free memory was 170.1 MB in the beginning and 168.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 07:01:14,253 INFO L168 Benchmark]: Boogie Preprocessor took 23.81 ms. Allocated memory is still 189.8 MB. Free memory was 168.6 MB in the beginning and 167.7 MB in the end (delta: 912.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 07:01:14,253 INFO L168 Benchmark]: RCFGBuilder took 332.28 ms. Allocated memory is still 189.8 MB. Free memory was 167.5 MB in the beginning and 154.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-07 07:01:14,253 INFO L168 Benchmark]: TraceAbstraction took 862361.91 ms. Allocated memory was 189.8 MB in the beginning and 914.4 MB in the end (delta: 724.6 MB). Free memory was 153.9 MB in the beginning and 782.7 MB in the end (delta: -628.8 MB). Peak memory consumption was 567.7 MB. Max. memory is 8.0 GB. [2021-08-07 07:01:14,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 189.8 MB. Free memory is still 171.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.37 ms. Allocated memory is still 189.8 MB. Free memory was 170.1 MB in the beginning and 168.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.81 ms. Allocated memory is still 189.8 MB. Free memory was 168.6 MB in the beginning and 167.7 MB in the end (delta: 912.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 332.28 ms. Allocated memory is still 189.8 MB. Free memory was 167.5 MB in the beginning and 154.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 862361.91 ms. Allocated memory was 189.8 MB in the beginning and 914.4 MB in the end (delta: 724.6 MB). Free memory was 153.9 MB in the beginning and 782.7 MB in the end (delta: -628.8 MB). Peak memory consumption was 567.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1324, positive: 972, positive conditional: 972, positive unconditional: 0, negative: 352, negative conditional: 352, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 972, positive: 972, positive conditional: 972, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 972, positive: 972, positive conditional: 972, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 972, positive: 972, positive conditional: 928, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 972, positive: 972, positive conditional: 849, positive unconditional: 123, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 972, positive: 972, positive conditional: 849, positive unconditional: 123, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 40, positive unconditional: 30, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 972, positive: 902, positive conditional: 809, positive unconditional: 93, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 70, unknown conditional: 40, unknown unconditional: 30] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 40, Positive unconditional cache size: 30, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 79, Maximal queried relation: 0, Independence queries for same thread: 352 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-3-2-6-2-4-4-7-4-6-3-7-3-6-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-5-3-4-3-4-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-43-5-6-7-7-6-7-7-7-6-8-7-8-6-8-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-5-7-4-7-4-7-3-7-3-5-3-4-3-4-3-3-2-3-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-3-2-6-2-4-4-7-4-6-3-7-3-6-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-5-3-4-3-4-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-43-5-6-7-7-6-7-7-7-6-8-7-8-6-8-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-5-7-4-7-4-7-3-7-3-5-3-4-3-4-3-3-2-3-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-3-2-6-2-4-4-7-4-6-3-7-3-6-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-5-3-4-3-4-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-43-5-6-7-7-6-7-7-7-6-8-7-8-6-8-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-5-7-4-7-4-7-3-7-3-5-3-4-3-4-3-3-2-3-1 context. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-3-2-6-2-4-4-7-4-6-3-7-3-6-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-7-3-5-3-4-3-4-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-43-5-6-7-7-6-7-7-7-6-8-7-8-6-8-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-5-7-4-7-4-7-3-7-3-5-3-4-3-4-3-3-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 862203.8ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.6ms, PartialOrderReductionTime: 9188.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 161, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 59.1ms SsaConstructionTime, 313.2ms SatisfiabilityAnalysisTime, 82655.3ms InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 522 ConstructedInterpolants, 49 QuantifiedInterpolants, 16824 SizeOfPredicates, 45 NumberOfNonLiveVariables, 657 ConjunctsInSsa, 167 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 48/243 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown