/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-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 01:50:45,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 01:50:45,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 01:50:45,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 01:50:45,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 01:50:45,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 01:50:45,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 01:50:45,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 01:50:45,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 01:50:45,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 01:50:45,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 01:50:45,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 01:50:45,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 01:50:45,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 01:50:45,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 01:50:45,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 01:50:45,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-25 01:50:45,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 01:50:45,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 01:50:45,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 01:50:45,380 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-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf [2021-10-25 01:50:45,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 01:50:45,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 01:50:45,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 01:50:45,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 01:50:45,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 01:50:45,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 01:50:45,417 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 01:50:45,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 01:50:45,417 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 01:50:45,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 01:50:45,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 01:50:45,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 01:50:45,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 01:50:45,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 01:50:45,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 01:50:45,419 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 01:50:45,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 01:50:45,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 01:50:45,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 01:50:45,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 01:50:45,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 01:50:45,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 01:50:45,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 01:50:45,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 01:50:45,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 01:50:45,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 01:50:45,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 01:50:45,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 01:50:45,420 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-25 01:50:45,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 01:50:45,420 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 01:50:45,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 01:50:45,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 01:50:45,421 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 01:50:45,421 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 01:50:45,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 01:50:45,421 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 01:50:45,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 01:50:45,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 01:50:45,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 01:50:45,634 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 01:50:45,635 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 01:50:45,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl [2021-10-25 01:50:45,636 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl' [2021-10-25 01:50:45,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 01:50:45,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 01:50:45,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 01:50:45,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 01:50:45,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 01:50:45,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/1) ... [2021-10-25 01:50:45,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/1) ... [2021-10-25 01:50:45,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 01:50:45,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 01:50:45,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 01:50:45,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 01:50:45,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/1) ... [2021-10-25 01:50:45,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/1) ... [2021-10-25 01:50:45,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/1) ... [2021-10-25 01:50:45,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/1) ... [2021-10-25 01:50:45,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/1) ... [2021-10-25 01:50:45,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/1) ... [2021-10-25 01:50:45,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/1) ... [2021-10-25 01:50:45,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 01:50:45,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 01:50:45,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 01:50:45,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 01:50:45,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/1) ... [2021-10-25 01:50:45,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 01:50:45,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:50:45,724 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) [2021-10-25 01:50:45,730 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 [2021-10-25 01:50:45,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-25 01:50:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-25 01:50:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-25 01:50:45,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-25 01:50:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-25 01:50:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-25 01:50:45,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 01:50:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 01:50:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 01:50:45,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-25 01:50:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-25 01:50:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-25 01:50:45,764 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 01:50:45,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 01:50:45,903 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-25 01:50:45,904 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:50:45 BoogieIcfgContainer [2021-10-25 01:50:45,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 01:50:45,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 01:50:45,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 01:50:45,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 01:50:45,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 01:50:45" (1/2) ... [2021-10-25 01:50:45,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e446f94 and model type min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 01:50:45, skipping insertion in model container [2021-10-25 01:50:45,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 01:50:45" (2/2) ... [2021-10-25 01:50:45,912 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun-alt.wvr.bpl [2021-10-25 01:50:45,916 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 01:50:45,916 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 01:50:45,916 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 01:50:45,916 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 01:50:45,946 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-25 01:50:45,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 01:50:45,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:50:45,995 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) [2021-10-25 01:50:46,010 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 [2021-10-25 01:50:46,051 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 01:50:46,057 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 [2021-10-25 01:50:46,057 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-25 01:50:46,208 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:50:46,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:50:46,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1258162814, now seen corresponding path program 1 times [2021-10-25 01:50:46,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:50:46,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022479393] [2021-10-25 01:50:46,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:50:46,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:50:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:50:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-25 01:50:46,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:50:46,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022479393] [2021-10-25 01:50:46,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022479393] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:50:46,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124253219] [2021-10-25 01:50:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:50:46,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:50:46,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:50:46,431 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) [2021-10-25 01:50:46,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-25 01:50:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:50:46,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-25 01:50:46,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:50:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-25 01:50:46,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124253219] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:50:46,804 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:50:46,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-10-25 01:50:46,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057883053] [2021-10-25 01:50:46,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-25 01:50:46,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:50:46,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-25 01:50:46,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-25 01:50:46,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:46,826 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:50:46,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 01:50:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:47,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 01:50:47,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-25 01:50:47,279 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,SelfDestructingSolverStorable0 [2021-10-25 01:50:47,280 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:50:47,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:50:47,280 INFO L82 PathProgramCache]: Analyzing trace with hash -538278918, now seen corresponding path program 2 times [2021-10-25 01:50:47,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:50:47,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133152662] [2021-10-25 01:50:47,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:50:47,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:50:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:50:47,409 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 01:50:47,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:50:47,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133152662] [2021-10-25 01:50:47,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133152662] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:50:47,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933882072] [2021-10-25 01:50:47,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 01:50:47,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:50:47,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:50:47,412 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) [2021-10-25 01:50:47,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 01:50:47,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 01:50:47,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:50:47,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-25 01:50:47,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:50:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 01:50:47,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933882072] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:50:47,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:50:47,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2021-10-25 01:50:47,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784106884] [2021-10-25 01:50:47,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-25 01:50:47,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:50:47,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-25 01:50:47,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-10-25 01:50:47,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:47,707 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:50:47,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 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) [2021-10-25 01:50:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 01:50:47,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-25 01:50:48,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:50:48,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 01:50:48,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:50:48,219 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:50:48,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:50:48,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1818381336, now seen corresponding path program 3 times [2021-10-25 01:50:48,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:50:48,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736201556] [2021-10-25 01:50:48,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:50:48,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:50:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:50:48,342 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 01:50:48,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:50:48,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736201556] [2021-10-25 01:50:48,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736201556] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:50:48,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544580987] [2021-10-25 01:50:48,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 01:50:48,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:50:48,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:50:48,344 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) [2021-10-25 01:50:48,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 01:50:48,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-25 01:50:48,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:50:48,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-25 01:50:48,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:50:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-25 01:50:48,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544580987] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:50:48,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:50:48,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2021-10-25 01:50:48,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798550086] [2021-10-25 01:50:48,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-25 01:50:48,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:50:48,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-25 01:50:48,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2021-10-25 01:50:48,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:48,748 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:50:48,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 01:50:48,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-25 01:50:48,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:50:48,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 01:50:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:50:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-25 01:50:49,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-25 01:50:49,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:50:49,533 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:50:49,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:50:49,533 INFO L82 PathProgramCache]: Analyzing trace with hash 712863214, now seen corresponding path program 4 times [2021-10-25 01:50:49,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:50:49,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609058141] [2021-10-25 01:50:49,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:50:49,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:50:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:50:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 14 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-25 01:50:49,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:50:49,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609058141] [2021-10-25 01:50:49,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609058141] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:50:49,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260835732] [2021-10-25 01:50:49,685 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 01:50:49,685 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:50:49,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:50:49,686 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) [2021-10-25 01:50:49,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 01:50:49,796 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 01:50:49,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:50:49,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-25 01:50:49,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:50:50,172 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 15 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 01:50:50,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260835732] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:50:50,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:50:50,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 21 [2021-10-25 01:50:50,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772617111] [2021-10-25 01:50:50,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-25 01:50:50,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:50:50,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-25 01:50:50,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2021-10-25 01:50:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:50,175 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:50:50,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 21 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 01:50:50,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 01:50:50,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:50:50,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-10-25 01:50:50,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 01:50:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:50:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 01:50:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 01:50:50,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-25 01:50:50,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:50:50,802 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:50:50,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:50:50,803 INFO L82 PathProgramCache]: Analyzing trace with hash 2100013066, now seen corresponding path program 5 times [2021-10-25 01:50:50,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:50:50,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708823971] [2021-10-25 01:50:50,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:50:50,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:50:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 01:50:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 83 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-25 01:50:50,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 01:50:50,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708823971] [2021-10-25 01:50:50,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708823971] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:50:50,988 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920679865] [2021-10-25 01:50:50,988 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 01:50:50,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:50:50,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 01:50:50,991 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) [2021-10-25 01:50:50,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-25 01:50:51,128 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-10-25 01:50:51,128 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 01:50:51,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-25 01:50:51,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 01:50:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-25 01:50:51,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920679865] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 01:50:51,497 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 01:50:51,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 21 [2021-10-25 01:50:51,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032917793] [2021-10-25 01:50:51,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-25 01:50:51,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 01:50:51,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-25 01:50:51,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-10-25 01:50:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:51,499 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 01:50:51,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.4285714285714284) internal successors, (72), 21 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-25 01:50:51,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 01:50:51,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:50:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-10-25 01:50:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-10-25 01:50:51,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 01:50:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 01:50:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-25 01:50:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-25 01:50:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-10-25 01:50:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-25 01:50:52,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-25 01:50:52,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 01:50:52,588 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-25 01:50:52,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 01:50:52,589 INFO L82 PathProgramCache]: Analyzing trace with hash 696109600, now seen corresponding path program 6 times [2021-10-25 01:50:52,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 01:50:52,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211356795] [2021-10-25 01:50:52,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 01:50:52,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 01:50:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-10-25 02:05:15,301 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 02:05:15,301 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 02:05:15,302 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-25 02:05:15,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-25 02:05:15,303 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-2-2-1 context. [2021-10-25 02:05:15,304 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 02:05:15,304 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 02:05:15,304 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 02:05:15,322 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 02:05:15,323 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 02:05:15,333 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 02:05:15 BasicIcfg [2021-10-25 02:05:15,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 02:05:15,334 INFO L168 Benchmark]: Toolchain (without parser) took 869673.52 ms. Allocated memory was 185.6 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 145.7 MB in the beginning and 804.9 MB in the end (delta: -659.3 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-10-25 02:05:15,335 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 185.6 MB. Free memory is still 146.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 02:05:15,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.98 ms. Allocated memory is still 185.6 MB. Free memory was 145.5 MB in the beginning and 144.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 02:05:15,335 INFO L168 Benchmark]: Boogie Preprocessor took 12.80 ms. Allocated memory is still 185.6 MB. Free memory was 144.0 MB in the beginning and 143.1 MB in the end (delta: 870.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 02:05:15,336 INFO L168 Benchmark]: RCFGBuilder took 206.72 ms. Allocated memory is still 185.6 MB. Free memory was 143.0 MB in the beginning and 130.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-25 02:05:15,336 INFO L168 Benchmark]: TraceAbstraction took 869427.05 ms. Allocated memory was 185.6 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 129.8 MB in the beginning and 804.9 MB in the end (delta: -675.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. [2021-10-25 02:05:15,337 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 0.10 ms. Allocated memory is still 185.6 MB. Free memory is still 146.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.98 ms. Allocated memory is still 185.6 MB. Free memory was 145.5 MB in the beginning and 144.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.80 ms. Allocated memory is still 185.6 MB. Free memory was 144.0 MB in the beginning and 143.1 MB in the end (delta: 870.5 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 206.72 ms. Allocated memory is still 185.6 MB. Free memory was 143.0 MB in the beginning and 130.3 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 869427.05 ms. Allocated memory was 185.6 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 129.8 MB in the beginning and 804.9 MB in the end (delta: -675.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1502, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 241, negative conditional: 241, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 0, positive unconditional: 1261, 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: 278, positive: 278, positive conditional: 0, positive unconditional: 278, 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: 278, positive: 276, positive conditional: 0, positive unconditional: 276, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1261, positive: 983, positive conditional: 0, positive unconditional: 983, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 278, Positive conditional cache size: 0, Positive unconditional cache size: 278, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 241 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 94, Number of persistent set computation: 59, Number of trivial persistent sets: 21, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1502, positive: 1261, positive conditional: 939, positive unconditional: 322, negative: 241, negative conditional: 241, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1261, positive: 1261, positive conditional: 0, positive unconditional: 1261, 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: 278, positive: 278, positive conditional: 0, positive unconditional: 278, 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: 278, positive: 276, positive conditional: 0, positive unconditional: 276, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1261, positive: 983, positive conditional: 0, positive unconditional: 983, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 278, unknown conditional: 0, unknown unconditional: 278] , Statistics on independence cache: Total cache size (in pairs): 278, Positive cache size: 278, Positive conditional cache size: 0, Positive unconditional cache size: 278, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 241 - 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-2-2-1 context. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-2-2-1 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-2-2-1 context. - TimeoutResultAtElement [Line: 58]: 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 63 with TraceHistMax 11,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-4-2-110-5-81-5-81-5-72-5-68-5-62-5-61-5-60-5-59-5-58-5-57-5-57-5-55-5-54-5-52-5-52-5-50-5-50-5-49-5-49-5-48-5-48-5-47-5-46-5-45-5-44-5-41-5-39-5-37-5-36-5-36-5-22-5-14-5-4-5-4-3-3-3-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-2-2-1 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: 869339.7ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.9ms, PartialOrderReductionTime: 2571.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 139, 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: 37.1ms SsaConstructionTime, 193.6ms SatisfiabilityAnalysisTime, 2225.5ms InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 1926 SizeOfPredicates, 15 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 10 InterpolantComputations, 0 PerfectInterpolantSequences, 154/486 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