/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 23:03:08,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 23:03:08,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 23:03:08,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 23:03:08,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 23:03:08,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 23:03:08,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 23:03:08,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 23:03:08,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 23:03:08,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 23:03:08,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 23:03:08,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 23:03:08,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 23:03:08,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 23:03:08,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 23:03:08,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 23:03:08,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 23:03:08,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 23:03:08,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 23:03:08,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 23:03:08,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 23:03:08,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 23:03:08,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 23:03:08,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 23:03:08,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 23:03:08,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 23:03:08,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 23:03:08,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 23:03:08,862 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-MCRwithoutDepranks-Lazy.epf [2022-03-16 23:03:08,890 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 23:03:08,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 23:03:08,891 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 23:03:08,891 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 23:03:08,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 23:03:08,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 23:03:08,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 23:03:08,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 23:03:08,892 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 23:03:08,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 23:03:08,893 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 23:03:08,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 23:03:08,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 23:03:08,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 23:03:08,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 23:03:08,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 23:03:08,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 23:03:08,894 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 23:03:08,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 23:03:08,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 23:03:08,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 23:03:08,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 23:03:08,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 23:03:08,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 23:03:08,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 23:03:08,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 23:03:08,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 23:03:08,895 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 23:03:08,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 23:03:08,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 23:03:08,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 23:03:08,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 23:03:08,896 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 23:03:08,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 23:03:08,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 23:03:08,896 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 23:03:08,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 23:03:09,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 23:03:09,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 23:03:09,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 23:03:09,075 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 23:03:09,076 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 23:03:09,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl [2022-03-16 23:03:09,078 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl' [2022-03-16 23:03:09,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 23:03:09,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 23:03:09,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 23:03:09,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 23:03:09,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 23:03:09,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/1) ... [2022-03-16 23:03:09,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/1) ... [2022-03-16 23:03:09,124 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 23:03:09,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 23:03:09,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 23:03:09,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 23:03:09,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 23:03:09,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/1) ... [2022-03-16 23:03:09,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/1) ... [2022-03-16 23:03:09,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/1) ... [2022-03-16 23:03:09,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/1) ... [2022-03-16 23:03:09,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/1) ... [2022-03-16 23:03:09,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/1) ... [2022-03-16 23:03:09,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/1) ... [2022-03-16 23:03:09,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 23:03:09,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 23:03:09,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 23:03:09,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 23:03:09,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/1) ... [2022-03-16 23:03:09,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 23:03:09,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:03:09,168 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) [2022-03-16 23:03:09,189 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 [2022-03-16 23:03:09,216 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 23:03:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 23:03:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 23:03:09,217 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 23:03:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 23:03:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 23:03:09,217 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 23:03:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 23:03:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 23:03:09,218 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 23:03:09,218 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 23:03:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 23:03:09,219 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 23:03:09,251 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 23:03:09,252 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 23:03:09,322 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 23:03:09,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 23:03:09,327 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 23:03:09,329 INFO L202 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:03:09 BoogieIcfgContainer [2022-03-16 23:03:09,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 23:03:09,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 23:03:09,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 23:03:09,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 23:03:09,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:03:09" (1/2) ... [2022-03-16 23:03:09,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c879826 and model type min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:03:09, skipping insertion in model container [2022-03-16 23:03:09,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:03:09" (2/2) ... [2022-03-16 23:03:09,351 INFO L111 eAbstractionObserver]: Analyzing ICFG min-le-max.wvr.bpl [2022-03-16 23:03:09,354 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 23:03:09,354 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 23:03:09,354 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 23:03:09,355 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 23:03:09,378 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 23:03:09,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 23:03:09,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:03:09,419 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) [2022-03-16 23:03:09,456 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 [2022-03-16 23:03:09,480 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 23:03:09,484 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 23:03:09,485 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 23:03:09,718 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 540 transitions and produced 497 states. [2022-03-16 23:03:09,720 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:03:09,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:03:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash -217646559, now seen corresponding path program 1 times [2022-03-16 23:03:09,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:03:09,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444796131] [2022-03-16 23:03:09,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:03:09,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:03:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:03:10,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3202 backedges. 2718 proven. 466 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-16 23:03:10,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:03:10,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444796131] [2022-03-16 23:03:10,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444796131] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:03:10,942 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425589267] [2022-03-16 23:03:10,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:03:10,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:03:10,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:03:10,944 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) [2022-03-16 23:03:10,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 23:03:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:03:11,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 51 conjunts are in the unsatisfiable core [2022-03-16 23:03:11,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:03:11,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3202 backedges. 3121 proven. 48 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-16 23:03:11,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:03:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3202 backedges. 3121 proven. 48 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-03-16 23:03:12,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425589267] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:03:12,409 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:03:12,409 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 39, 39] total 81 [2022-03-16 23:03:12,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365693370] [2022-03-16 23:03:12,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:03:12,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-03-16 23:03:12,427 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:03:12,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-03-16 23:03:12,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2833, Invalid=3809, Unknown=0, NotChecked=0, Total=6642 [2022-03-16 23:03:12,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:12,453 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:03:12,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 3.658536585365854) internal successors, (300), 81 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:03:12,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:15,616 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1293 transitions and produced 1186 states. [2022-03-16 23:03:15,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2022-03-16 23:03:15,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 23:03:15,835 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 [2022-03-16 23:03:15,836 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:03:15,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:03:15,837 INFO L85 PathProgramCache]: Analyzing trace with hash 473435736, now seen corresponding path program 2 times [2022-03-16 23:03:15,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:03:15,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821077850] [2022-03-16 23:03:15,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:03:15,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:03:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:03:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 11357 backedges. 9322 proven. 2035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:03:19,721 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:03:19,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821077850] [2022-03-16 23:03:19,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821077850] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:03:19,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207920257] [2022-03-16 23:03:19,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 23:03:19,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:03:19,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:03:19,725 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) [2022-03-16 23:03:19,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 23:03:19,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 23:03:19,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:03:19,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 77 conjunts are in the unsatisfiable core [2022-03-16 23:03:19,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:03:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 11357 backedges. 6739 proven. 2035 refuted. 0 times theorem prover too weak. 2583 trivial. 0 not checked. [2022-03-16 23:03:20,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:03:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 11357 backedges. 6739 proven. 2035 refuted. 0 times theorem prover too weak. 2583 trivial. 0 not checked. [2022-03-16 23:03:21,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207920257] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:03:21,125 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:03:21,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [118, 77, 77] total 119 [2022-03-16 23:03:21,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478487427] [2022-03-16 23:03:21,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:03:21,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2022-03-16 23:03:21,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:03:21,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2022-03-16 23:03:21,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4059, Invalid=10221, Unknown=0, NotChecked=0, Total=14280 [2022-03-16 23:03:21,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:21,134 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:03:21,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 3.125) internal successors, (375), 119 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:03:21,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2022-03-16 23:03:21,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:23,103 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1584 transitions and produced 1421 states. [2022-03-16 23:03:23,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2022-03-16 23:03:23,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-16 23:03:23,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 23:03:23,321 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 [2022-03-16 23:03:23,321 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:03:23,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:03:23,322 INFO L85 PathProgramCache]: Analyzing trace with hash 929143292, now seen corresponding path program 3 times [2022-03-16 23:03:23,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:03:23,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005205427] [2022-03-16 23:03:23,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:03:23,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:03:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:03:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 21087 backedges. 10352 proven. 10711 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-16 23:03:28,287 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:03:28,287 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005205427] [2022-03-16 23:03:28,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005205427] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:03:28,291 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346166932] [2022-03-16 23:03:28,291 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 23:03:28,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:03:28,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:03:28,300 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) [2022-03-16 23:03:28,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 23:03:32,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 86 check-sat command(s) [2022-03-16 23:03:32,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:03:32,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 170 conjunts are in the unsatisfiable core [2022-03-16 23:03:32,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:03:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21087 backedges. 10602 proven. 10461 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-16 23:03:33,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:03:34,112 INFO L134 CoverageAnalysis]: Checked inductivity of 21087 backedges. 10602 proven. 10461 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-16 23:03:34,113 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346166932] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:03:34,113 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:03:34,113 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [154, 154, 154] total 157 [2022-03-16 23:03:34,113 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070888289] [2022-03-16 23:03:34,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:03:34,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 158 states [2022-03-16 23:03:34,114 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:03:34,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2022-03-16 23:03:34,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6244, Invalid=18562, Unknown=0, NotChecked=0, Total=24806 [2022-03-16 23:03:34,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:34,119 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:03:34,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 158 states, 158 states have (on average 3.449367088607595) internal successors, (545), 157 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:03:34,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2022-03-16 23:03:34,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-16 23:03:34,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:43,167 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1863 transitions and produced 1633 states. [2022-03-16 23:03:43,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2022-03-16 23:03:43,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-16 23:03:43,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-03-16 23:03:43,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 23:03:43,388 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 [2022-03-16 23:03:43,389 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:03:43,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:03:43,389 INFO L85 PathProgramCache]: Analyzing trace with hash 264352951, now seen corresponding path program 4 times [2022-03-16 23:03:43,389 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:03:43,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125399722] [2022-03-16 23:03:43,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:03:43,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:03:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:03:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 19397 backedges. 10542 proven. 8855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:03:49,691 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:03:49,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125399722] [2022-03-16 23:03:49,691 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125399722] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:03:49,691 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105968757] [2022-03-16 23:03:49,691 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 23:03:49,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:03:49,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:03:49,692 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) [2022-03-16 23:03:49,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 23:03:49,858 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 23:03:49,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:03:49,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 157 conjunts are in the unsatisfiable core [2022-03-16 23:03:49,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:03:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 19397 backedges. 10479 proven. 8855 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-03-16 23:03:50,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:03:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 19397 backedges. 10479 proven. 8855 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-03-16 23:03:51,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105968757] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:03:51,729 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:03:51,729 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [163, 157, 157] total 164 [2022-03-16 23:03:51,729 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526603409] [2022-03-16 23:03:51,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:03:51,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2022-03-16 23:03:51,731 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:03:51,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2022-03-16 23:03:51,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6894, Invalid=20166, Unknown=0, NotChecked=0, Total=27060 [2022-03-16 23:03:51,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:51,737 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:03:51,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 3.090909090909091) internal successors, (510), 164 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:03:51,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2022-03-16 23:03:51,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-16 23:03:51,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-03-16 23:03:51,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:03:57,568 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2139 transitions and produced 1853 states. [2022-03-16 23:03:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2022-03-16 23:03:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-16 23:03:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-03-16 23:03:57,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2022-03-16 23:03:57,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 23:03:57,786 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 [2022-03-16 23:03:57,786 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:03:57,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:03:57,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1850459979, now seen corresponding path program 5 times [2022-03-16 23:03:57,787 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:03:57,787 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882654764] [2022-03-16 23:03:57,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:03:57,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:03:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:04:05,146 INFO L134 CoverageAnalysis]: Checked inductivity of 34947 backedges. 22692 proven. 12231 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-16 23:04:05,146 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:04:05,146 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882654764] [2022-03-16 23:04:05,146 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882654764] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:04:05,150 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639573265] [2022-03-16 23:04:05,150 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 23:04:05,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:04:05,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:04:05,152 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) [2022-03-16 23:04:05,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 23:04:06,155 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 126 check-sat command(s) [2022-03-16 23:04:06,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:04:06,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 215 conjunts are in the unsatisfiable core [2022-03-16 23:04:06,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 23:04:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 34947 backedges. 23062 proven. 11861 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-16 23:04:06,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 23:04:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 34947 backedges. 23062 proven. 11861 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-03-16 23:04:10,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639573265] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 23:04:10,966 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 23:04:10,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [199, 199, 199] total 272 [2022-03-16 23:04:10,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050597387] [2022-03-16 23:04:10,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 23:04:10,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 273 states [2022-03-16 23:04:10,972 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 23:04:10,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 273 interpolants. [2022-03-16 23:04:10,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18994, Invalid=55262, Unknown=0, NotChecked=0, Total=74256 [2022-03-16 23:04:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:04:10,981 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 23:04:10,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 273 states, 273 states have (on average 3.26007326007326) internal successors, (890), 272 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 23:04:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2022-03-16 23:04:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-03-16 23:04:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-03-16 23:04:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2022-03-16 23:04:10,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 23:04:36,015 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3133 transitions and produced 2745 states. [2022-03-16 23:04:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2022-03-16 23:04:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-16 23:04:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-03-16 23:04:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2022-03-16 23:04:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2022-03-16 23:04:36,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-16 23:04:36,231 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 [2022-03-16 23:04:36,231 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 23:04:36,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 23:04:36,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1011089752, now seen corresponding path program 6 times [2022-03-16 23:04:36,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 23:04:36,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448595216] [2022-03-16 23:04:36,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 23:04:36,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 23:04:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 23:04:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 58317 backedges. 37842 proven. 20475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 23:04:52,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 23:04:52,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448595216] [2022-03-16 23:04:52,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448595216] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 23:04:52,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800199788] [2022-03-16 23:04:52,766 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 23:04:52,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:04:52,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 23:04:52,780 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) [2022-03-16 23:04:52,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 23:04:52,876 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2022-03-16 23:04:52,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 23:04:52,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 36 conjunts are in the unsatisfiable core [2022-03-16 23:04:52,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-16 23:17:16,368 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 23:17:16,377 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 23:17:16,387 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 [2022-03-16 23:17:16,387 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 23:17:16,388 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 [2022-03-16 23:17:16,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-16 23:17:16,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 23:17:16,583 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 844 with TraceHistMax 159,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 14ms.. [2022-03-16 23:17:16,585 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 23:17:16,585 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 23:17:16,585 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 23:17:16,589 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 23:17:16,590 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 23:17:16,590 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 23:17:16,592 INFO L202 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:17:16 BasicIcfg [2022-03-16 23:17:16,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 23:17:16,592 INFO L158 Benchmark]: Toolchain (without parser) took 847493.13ms. Allocated memory was 166.7MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 132.1MB in the beginning and 423.0MB in the end (delta: -290.9MB). Peak memory consumption was 786.5MB. Max. memory is 8.0GB. [2022-03-16 23:17:16,592 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 166.7MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 23:17:16,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.42ms. Allocated memory is still 166.7MB. Free memory was 132.1MB in the beginning and 130.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 23:17:16,593 INFO L158 Benchmark]: Boogie Preprocessor took 12.73ms. Allocated memory is still 166.7MB. Free memory was 130.5MB in the beginning and 129.6MB in the end (delta: 916.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 23:17:16,593 INFO L158 Benchmark]: RCFGBuilder took 188.69ms. Allocated memory is still 166.7MB. Free memory was 129.5MB in the beginning and 120.5MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 23:17:16,593 INFO L158 Benchmark]: TraceAbstraction took 847261.70ms. Allocated memory was 166.7MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 120.1MB in the beginning and 423.0MB in the end (delta: -303.0MB). Peak memory consumption was 773.9MB. Max. memory is 8.0GB. [2022-03-16 23:17:16,594 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 0.10ms. Allocated memory is still 166.7MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.42ms. Allocated memory is still 166.7MB. Free memory was 132.1MB in the beginning and 130.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.73ms. Allocated memory is still 166.7MB. Free memory was 130.5MB in the beginning and 129.6MB in the end (delta: 916.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 188.69ms. Allocated memory is still 166.7MB. Free memory was 129.5MB in the beginning and 120.5MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 847261.70ms. Allocated memory was 166.7MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 120.1MB in the beginning and 423.0MB in the end (delta: -303.0MB). Peak memory consumption was 773.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.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] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 844 with TraceHistMax 159,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 14ms.. - TimeoutResultAtElement [Line: 45]: 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 844 with TraceHistMax 159,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 14ms.. - TimeoutResultAtElement [Line: 46]: 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 844 with TraceHistMax 159,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 14ms.. - TimeoutResultAtElement [Line: 45]: 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 844 with TraceHistMax 159,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 14ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 847.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 45.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 972, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 5.5s SatisfiabilityAnalysisTime, 34.3s InterpolantComputationTime, 4410 NumberOfCodeBlocks, 4410 NumberOfCodeBlocksAsserted, 221 NumberOfCheckSat, 6600 ConstructedInterpolants, 0 QuantifiedInterpolants, 31266 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3765 ConjunctsInSsa, 670 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 169152/269970 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