/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 05:07:26,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 05:07:26,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 05:07:26,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 05:07:26,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 05:07:26,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 05:07:26,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 05:07:26,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 05:07:26,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 05:07:26,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 05:07:26,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 05:07:26,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 05:07:26,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 05:07:26,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 05:07:26,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 05:07:26,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 05:07:26,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 05:07:26,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 05:07:26,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 05:07:26,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 05:07:26,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 05:07:26,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 05:07:26,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 05:07:26,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 05:07:26,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 05:07:26,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 05:07:26,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 05:07:26,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 05:07:26,350 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 05:07:26,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 05:07:26,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 05:07:26,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 05:07:26,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 05:07:26,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 05:07:26,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 05:07:26,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 05:07:26,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 05:07:26,371 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 05:07:26,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 05:07:26,372 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 05:07:26,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 05:07:26,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 05:07:26,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 05:07:26,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 05:07:26,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 05:07:26,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 05:07:26,373 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 05:07:26,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 05:07:26,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 05:07:26,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 05:07:26,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 05:07:26,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 05:07:26,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 05:07:26,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 05:07:26,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 05:07:26,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 05:07:26,375 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 05:07:26,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 05:07:26,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 05:07:26,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 05:07:26,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 05:07:26,375 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 05:07:26,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 05:07:26,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 05:07:26,376 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 05:07:26,376 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 05:07:26,376 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 05:07:26,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 05:07:26,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 05:07:26,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 05:07:26,605 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 05:07:26,607 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 05:07:26,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl [2022-03-02 05:07:26,608 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl' [2022-03-02 05:07:26,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 05:07:26,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 05:07:26,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 05:07:26,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 05:07:26,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 05:07:26,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/1) ... [2022-03-02 05:07:26,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/1) ... [2022-03-02 05:07:26,656 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 05:07:26,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 05:07:26,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 05:07:26,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 05:07:26,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 05:07:26,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/1) ... [2022-03-02 05:07:26,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/1) ... [2022-03-02 05:07:26,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/1) ... [2022-03-02 05:07:26,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/1) ... [2022-03-02 05:07:26,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/1) ... [2022-03-02 05:07:26,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/1) ... [2022-03-02 05:07:26,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/1) ... [2022-03-02 05:07:26,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 05:07:26,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 05:07:26,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 05:07:26,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 05:07:26,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/1) ... [2022-03-02 05:07:26,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 05:07:26,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:07:26,696 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) [2022-03-02 05:07:26,721 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 [2022-03-02 05:07:26,735 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 05:07:26,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 05:07:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 05:07:26,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 05:07:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 05:07:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 05:07:26,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 05:07:26,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 05:07:26,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 05:07:26,736 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 05:07:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 05:07:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 05:07:26,737 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-02 05:07:26,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-02 05:07:26,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-02 05:07:26,738 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 05:07:26,778 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 05:07:26,779 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 05:07:26,850 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 05:07:26,867 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 05:07:26,867 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 05:07:26,869 INFO L202 PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 05:07:26 BoogieIcfgContainer [2022-03-02 05:07:26,869 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 05:07:26,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 05:07:26,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 05:07:26,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 05:07:26,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:07:26" (1/2) ... [2022-03-02 05:07:26,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773db3bd and model type counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 05:07:26, skipping insertion in model container [2022-03-02 05:07:26,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 05:07:26" (2/2) ... [2022-03-02 05:07:26,880 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-add-4-semi-Q67.wvr.bpl [2022-03-02 05:07:26,884 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 05:07:26,884 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 05:07:26,884 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 05:07:26,884 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 05:07:26,939 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-02 05:07:26,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 05:07:26,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:07:26,983 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) [2022-03-02 05:07:26,994 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 [2022-03-02 05:07:27,055 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 05:07:27,063 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=false, mMcrOverapproximateWrwc=true [2022-03-02 05:07:27,069 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-02 05:07:27,237 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1845 transitions and produced 1634 states. [2022-03-02 05:07:27,239 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 05:07:27,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:07:27,243 INFO L85 PathProgramCache]: Analyzing trace with hash 604266893, now seen corresponding path program 1 times [2022-03-02 05:07:27,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:07:27,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848141769] [2022-03-02 05:07:27,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:07:27,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:07:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:07:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 4800 proven. 3080 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2022-03-02 05:07:28,419 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:07:28,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848141769] [2022-03-02 05:07:28,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848141769] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:07:28,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394313545] [2022-03-02 05:07:28,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:07:28,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:07:28,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:07:28,424 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) [2022-03-02 05:07:28,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 05:07:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:07:28,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 87 conjunts are in the unsatisfiable core [2022-03-02 05:07:28,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:07:32,818 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 8454 proven. 42 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-03-02 05:07:32,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:07:37,103 INFO L134 CoverageAnalysis]: Checked inductivity of 8685 backedges. 2587 proven. 5929 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-03-02 05:07:37,103 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394313545] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:07:37,103 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:07:37,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 67, 87] total 171 [2022-03-02 05:07:37,105 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534530152] [2022-03-02 05:07:37,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:07:37,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2022-03-02 05:07:37,113 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:07:37,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2022-03-02 05:07:37,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8321, Invalid=21091, Unknown=0, NotChecked=0, Total=29412 [2022-03-02 05:07:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:07:37,157 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:07:37,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 3.4011627906976742) internal successors, (585), 171 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:07:37,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:07:51,472 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3158 transitions and produced 2445 states. [2022-03-02 05:07:51,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-03-02 05:07:51,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-02 05:07:51,673 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 [2022-03-02 05:07:51,674 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 05:07:51,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:07:51,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1712204743, now seen corresponding path program 2 times [2022-03-02 05:07:51,675 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:07:51,675 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245523924] [2022-03-02 05:07:51,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:07:51,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:07:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:07:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 3844 proven. 5726 refuted. 0 times theorem prover too weak. 9362 trivial. 0 not checked. [2022-03-02 05:07:55,594 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:07:55,594 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245523924] [2022-03-02 05:07:55,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245523924] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:07:55,595 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964271573] [2022-03-02 05:07:55,595 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 05:07:55,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:07:55,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:07:55,603 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) [2022-03-02 05:07:55,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 05:07:55,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 05:07:55,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:07:55,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 132 conjunts are in the unsatisfiable core [2022-03-02 05:07:55,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:08:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 13504 proven. 4096 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2022-03-02 05:08:05,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:08:12,809 INFO L134 CoverageAnalysis]: Checked inductivity of 18932 backedges. 13504 proven. 4096 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2022-03-02 05:08:12,809 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964271573] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:08:12,809 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:08:12,810 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 132, 132] total 277 [2022-03-02 05:08:12,810 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013131805] [2022-03-02 05:08:12,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:08:12,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 278 states [2022-03-02 05:08:12,812 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:08:12,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 278 interpolants. [2022-03-02 05:08:12,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15223, Invalid=61783, Unknown=0, NotChecked=0, Total=77006 [2022-03-02 05:08:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:08:12,825 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:08:12,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 278 states, 278 states have (on average 2.643884892086331) internal successors, (735), 277 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:08:12,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-03-02 05:08:12,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:08:34,362 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4418 transitions and produced 3551 states. [2022-03-02 05:08:34,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-03-02 05:08:34,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-03-02 05:08:34,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 05:08:34,564 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 [2022-03-02 05:08:34,565 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 05:08:34,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:08:34,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1321174771, now seen corresponding path program 3 times [2022-03-02 05:08:34,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:08:34,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850829225] [2022-03-02 05:08:34,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:08:34,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:08:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:08:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 21524 proven. 9328 refuted. 0 times theorem prover too weak. 10285 trivial. 0 not checked. [2022-03-02 05:08:38,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:08:38,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850829225] [2022-03-02 05:08:38,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850829225] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:08:38,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593555714] [2022-03-02 05:08:38,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 05:08:38,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:08:38,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:08:38,548 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) [2022-03-02 05:08:38,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 05:08:39,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 84 check-sat command(s) [2022-03-02 05:08:39,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:08:39,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 146 conjunts are in the unsatisfiable core [2022-03-02 05:08:39,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:08:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 16581 proven. 19503 refuted. 0 times theorem prover too weak. 5053 trivial. 0 not checked. [2022-03-02 05:08:50,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:09:01,161 INFO L134 CoverageAnalysis]: Checked inductivity of 41137 backedges. 13018 proven. 23098 refuted. 0 times theorem prover too weak. 5021 trivial. 0 not checked. [2022-03-02 05:09:01,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593555714] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:09:01,161 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:09:01,162 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 138, 144] total 314 [2022-03-02 05:09:01,162 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825530370] [2022-03-02 05:09:01,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:09:01,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 315 states [2022-03-02 05:09:01,163 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:09:01,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 315 interpolants. [2022-03-02 05:09:01,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16427, Invalid=82483, Unknown=0, NotChecked=0, Total=98910 [2022-03-02 05:09:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:09:01,173 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:09:01,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 315 states, 315 states have (on average 4.1873015873015875) internal successors, (1319), 314 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:09:01,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-03-02 05:09:01,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-03-02 05:09:01,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:09:57,510 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4701 transitions and produced 3708 states. [2022-03-02 05:09:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-03-02 05:09:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-03-02 05:09:57,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 459 states. [2022-03-02 05:09:57,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-02 05:09:57,712 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 [2022-03-02 05:09:57,712 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 05:09:57,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:09:57,713 INFO L85 PathProgramCache]: Analyzing trace with hash 2026893419, now seen corresponding path program 4 times [2022-03-02 05:09:57,713 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:09:57,713 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314423390] [2022-03-02 05:09:57,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:09:57,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:09:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:10:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 22462 proven. 12347 refuted. 0 times theorem prover too weak. 11811 trivial. 0 not checked. [2022-03-02 05:10:02,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:10:02,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314423390] [2022-03-02 05:10:02,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314423390] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:10:02,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091847246] [2022-03-02 05:10:02,554 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 05:10:02,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:10:02,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:10:02,556 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) [2022-03-02 05:10:02,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 05:10:02,873 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 05:10:02,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:10:02,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 2352 conjuncts, 179 conjunts are in the unsatisfiable core [2022-03-02 05:10:02,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:10:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 22833 proven. 12153 refuted. 0 times theorem prover too weak. 11634 trivial. 0 not checked. [2022-03-02 05:10:17,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:10:34,680 INFO L134 CoverageAnalysis]: Checked inductivity of 46620 backedges. 20054 proven. 14938 refuted. 0 times theorem prover too weak. 11628 trivial. 0 not checked. [2022-03-02 05:10:34,680 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091847246] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:10:34,680 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:10:34,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [100, 173, 179] total 405 [2022-03-02 05:10:34,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953779707] [2022-03-02 05:10:34,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:10:34,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 406 states [2022-03-02 05:10:34,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:10:34,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 406 interpolants. [2022-03-02 05:10:34,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29372, Invalid=135058, Unknown=0, NotChecked=0, Total=164430 [2022-03-02 05:10:34,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:10:34,699 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:10:34,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 406 states, 406 states have (on average 3.167487684729064) internal successors, (1286), 405 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:10:34,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-03-02 05:10:34,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-03-02 05:10:34,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 459 states. [2022-03-02 05:10:34,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:30,185 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5560 transitions and produced 4263 states. [2022-03-02 05:11:30,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-03-02 05:11:30,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-03-02 05:11:30,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 459 states. [2022-03-02 05:11:30,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 373 states. [2022-03-02 05:11:30,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 05:11:30,403 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 [2022-03-02 05:11:30,404 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 05:11:30,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:11:30,404 INFO L85 PathProgramCache]: Analyzing trace with hash 212146637, now seen corresponding path program 5 times [2022-03-02 05:11:30,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:11:30,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732910199] [2022-03-02 05:11:30,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:11:30,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:11:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:11:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 9409 proven. 36184 refuted. 0 times theorem prover too weak. 20922 trivial. 0 not checked. [2022-03-02 05:11:42,182 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:11:42,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732910199] [2022-03-02 05:11:42,183 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732910199] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:11:42,183 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [162269884] [2022-03-02 05:11:42,183 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 05:11:42,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:11:42,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:11:42,189 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) [2022-03-02 05:11:42,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 05:11:43,002 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 122 check-sat command(s) [2022-03-02 05:11:43,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:11:43,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 2759 conjuncts, 484 conjunts are in the unsatisfiable core [2022-03-02 05:11:43,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:11:59,928 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 37382 proven. 9801 refuted. 0 times theorem prover too weak. 19332 trivial. 0 not checked. [2022-03-02 05:11:59,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:12:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 66515 backedges. 37382 proven. 9801 refuted. 0 times theorem prover too weak. 19332 trivial. 0 not checked. [2022-03-02 05:12:11,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [162269884] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:12:11,453 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:12:11,453 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [183, 170, 170] total 420 [2022-03-02 05:12:11,453 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487796691] [2022-03-02 05:12:11,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:12:11,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 420 states [2022-03-02 05:12:11,456 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:12:11,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 420 interpolants. [2022-03-02 05:12:11,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36642, Invalid=139338, Unknown=0, NotChecked=0, Total=175980 [2022-03-02 05:12:11,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:12:11,470 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:12:11,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 420 states, 420 states have (on average 3.414285714285714) internal successors, (1434), 420 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:12:11,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-03-02 05:12:11,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-03-02 05:12:11,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 459 states. [2022-03-02 05:12:11,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 373 states. [2022-03-02 05:12:11,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:12:58,289 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7328 transitions and produced 5660 states. [2022-03-02 05:12:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-03-02 05:12:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 351 states. [2022-03-02 05:12:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 459 states. [2022-03-02 05:12:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 373 states. [2022-03-02 05:12:58,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2022-03-02 05:12:58,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 05:12:58,495 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 [2022-03-02 05:12:58,496 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 05:12:58,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:12:58,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1682175205, now seen corresponding path program 6 times [2022-03-02 05:12:58,496 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:12:58,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973188951] [2022-03-02 05:12:58,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:12:58,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:13:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:13:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 107572 backedges. 48672 proven. 38503 refuted. 0 times theorem prover too weak. 20397 trivial. 0 not checked. [2022-03-02 05:13:12,858 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:13:12,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973188951] [2022-03-02 05:13:12,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973188951] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:13:12,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291921479] [2022-03-02 05:13:12,858 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 05:13:12,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:13:12,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:13:12,860 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) [2022-03-02 05:13:12,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 05:13:14,218 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 190 check-sat command(s) [2022-03-02 05:13:14,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:13:14,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 3500 conjuncts, 303 conjunts are in the unsatisfiable core [2022-03-02 05:13:14,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:13:56,774 INFO L134 CoverageAnalysis]: Checked inductivity of 107572 backedges. 60484 proven. 28724 refuted. 0 times theorem prover too weak. 18364 trivial. 0 not checked. [2022-03-02 05:13:56,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:14:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 107572 backedges. 55095 proven. 34119 refuted. 0 times theorem prover too weak. 18358 trivial. 0 not checked. [2022-03-02 05:14:54,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291921479] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:14:54,147 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:14:54,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [187, 297, 303] total 753 [2022-03-02 05:14:54,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648350720] [2022-03-02 05:14:54,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:14:54,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 754 states [2022-03-02 05:14:54,150 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:14:54,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 754 interpolants. [2022-03-02 05:14:54,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112067, Invalid=455695, Unknown=0, NotChecked=0, Total=567762 [2022-03-02 05:14:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:14:54,183 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:14:54,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 754 states, 754 states have (on average 3.114058355437666) internal successors, (2348), 753 states have internal predecessors, (2348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:14:54,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-03-02 05:14:54,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 351 states. [2022-03-02 05:14:54,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 459 states. [2022-03-02 05:14:54,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 373 states. [2022-03-02 05:14:54,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2022-03-02 05:14:54,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-02 05:19:42,583 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 [2022-03-02 05:19:42,583 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 [2022-03-02 05:19:42,583 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 [2022-03-02 05:19:42,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 05:19:43,017 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 [2022-03-02 05:19:43,017 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-02 05:19:43,019 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-02 05:19:43,019 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-02 05:19:43,019 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-02 05:19:43,019 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-02 05:19:43,020 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-02 05:19:43,027 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-02 05:19:43,029 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 05:19:43,029 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 05:19:43,031 INFO L202 PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 05:19:43 BasicIcfg [2022-03-02 05:19:43,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 05:19:43,032 INFO L158 Benchmark]: Toolchain (without parser) took 736402.36ms. Allocated memory was 176.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 134.6MB in the beginning and 320.6MB in the end (delta: -186.0MB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-02 05:19:43,032 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 05:19:43,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.43ms. Allocated memory is still 176.2MB. Free memory was 134.6MB in the beginning and 133.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 05:19:43,033 INFO L158 Benchmark]: Boogie Preprocessor took 12.25ms. Allocated memory is still 176.2MB. Free memory was 133.0MB in the beginning and 132.1MB in the end (delta: 905.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 05:19:43,033 INFO L158 Benchmark]: RCFGBuilder took 197.55ms. Allocated memory is still 176.2MB. Free memory was 131.9MB in the beginning and 122.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 05:19:43,034 INFO L158 Benchmark]: TraceAbstraction took 736161.00ms. Allocated memory was 176.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 121.8MB in the beginning and 320.6MB in the end (delta: -198.8MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2022-03-02 05:19:43,035 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 0.14ms. Allocated memory is still 176.2MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.43ms. Allocated memory is still 176.2MB. Free memory was 134.6MB in the beginning and 133.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.25ms. Allocated memory is still 176.2MB. Free memory was 133.0MB in the beginning and 132.1MB in the end (delta: 905.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 197.55ms. Allocated memory is still 176.2MB. Free memory was 131.9MB in the beginning and 122.3MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 736161.00ms. Allocated memory was 176.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 121.8MB in the beginning and 320.6MB in the end (delta: -198.8MB). Peak memory consumption was 2.0GB. 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: 80]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 52 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 736.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 483.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2369, 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: 0.4s SsaConstructionTime, 10.8s SatisfiabilityAnalysisTime, 239.6s InterpolantComputationTime, 9376 NumberOfCodeBlocks, 9370 NumberOfCodeBlocksAsserted, 406 NumberOfCheckSat, 14046 ConstructedInterpolants, 0 QuantifiedInterpolants, 81424 SizeOfPredicates, 23 NumberOfNonLiveVariables, 13000 ConjunctsInSsa, 1331 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 596915/868383 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