/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 06:40:25,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 06:40:25,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 06:40:25,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 06:40:25,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 06:40:25,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 06:40:25,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 06:40:25,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 06:40:25,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 06:40:25,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 06:40:25,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 06:40:25,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 06:40:25,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 06:40:25,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 06:40:25,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 06:40:25,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 06:40:25,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 06:40:25,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 06:40:25,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 06:40:25,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 06:40:25,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 06:40:25,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 06:40:25,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 06:40:25,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 06:40:25,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 06:40:25,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 06:40:25,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 06:40:25,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 06:40:25,881 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-wrwc.epf [2022-03-16 06:40:25,903 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 06:40:25,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 06:40:25,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 06:40:25,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 06:40:25,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 06:40:25,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 06:40:25,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 06:40:25,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 06:40:25,905 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 06:40:25,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 06:40:25,905 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 06:40:25,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 06:40:25,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 06:40:25,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 06:40:25,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 06:40:25,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 06:40:25,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 06:40:25,906 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 06:40:25,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 06:40:25,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 06:40:25,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 06:40:25,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 06:40:25,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 06:40:25,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 06:40:25,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 06:40:25,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:40:25,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 06:40:25,908 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 06:40:25,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 06:40:25,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 06:40:25,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 06:40:25,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 06:40:25,909 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 06:40:25,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 06:40:25,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 06:40:25,909 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 06:40:25,909 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 06:40:25,909 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 06:40:25,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 06:40:26,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 06:40:26,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 06:40:26,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 06:40:26,071 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 06:40:26,072 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 06:40:26,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl [2022-03-16 06:40:26,073 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-min.wvr.bpl' [2022-03-16 06:40:26,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 06:40:26,092 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 06:40:26,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 06:40:26,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 06:40:26,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 06:40:26,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/1) ... [2022-03-16 06:40:26,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/1) ... [2022-03-16 06:40:26,109 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 06:40:26,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 06:40:26,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 06:40:26,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 06:40:26,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 06:40:26,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/1) ... [2022-03-16 06:40:26,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/1) ... [2022-03-16 06:40:26,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/1) ... [2022-03-16 06:40:26,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/1) ... [2022-03-16 06:40:26,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/1) ... [2022-03-16 06:40:26,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/1) ... [2022-03-16 06:40:26,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/1) ... [2022-03-16 06:40:26,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 06:40:26,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 06:40:26,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 06:40:26,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 06:40:26,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/1) ... [2022-03-16 06:40:26,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 06:40:26,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:26,141 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 06:40:26,153 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 06:40:26,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 06:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 06:40:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 06:40:26,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 06:40:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 06:40:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 06:40:26,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 06:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 06:40:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 06:40:26,178 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 06:40:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 06:40:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 06:40:26,178 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 06:40:26,212 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 06:40:26,213 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 06:40:26,287 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 06:40:26,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 06:40:26,300 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 06:40:26,301 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:40:26 BoogieIcfgContainer [2022-03-16 06:40:26,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 06:40:26,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 06:40:26,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 06:40:26,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 06:40:26,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 06:40:26" (1/2) ... [2022-03-16 06:40:26,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5539a2ef and model type three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 06:40:26, skipping insertion in model container [2022-03-16 06:40:26,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 06:40:26" (2/2) ... [2022-03-16 06:40:26,316 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-min.wvr.bpl [2022-03-16 06:40:26,319 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 06:40:26,319 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 06:40:26,319 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 06:40:26,319 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 06:40:26,366 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 06:40:26,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 06:40:26,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:26,442 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 06:40:26,443 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 06:40:26,476 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 06:40:26,486 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=false [2022-03-16 06:40:26,486 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 06:40:34,595 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 121135 transitions and produced 39077 states. [2022-03-16 06:40:34,597 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:34,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:34,604 INFO L85 PathProgramCache]: Analyzing trace with hash -43850162, now seen corresponding path program 1 times [2022-03-16 06:40:34,610 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:34,610 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958999850] [2022-03-16 06:40:34,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:34,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-03-16 06:40:34,885 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:34,885 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958999850] [2022-03-16 06:40:34,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958999850] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 06:40:34,886 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 06:40:34,886 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 06:40:34,888 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395341791] [2022-03-16 06:40:34,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 06:40:35,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 06:40:35,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:35,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 06:40:35,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 06:40:35,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:35,145 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:35,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 06:40:35,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:35,388 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 401 transitions and produced 300 states. [2022-03-16 06:40:35,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:35,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 06:40:35,389 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:35,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:35,390 INFO L85 PathProgramCache]: Analyzing trace with hash 138539794, now seen corresponding path program 2 times [2022-03-16 06:40:35,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:35,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787546191] [2022-03-16 06:40:35,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:35,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:35,503 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-03-16 06:40:35,503 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:35,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787546191] [2022-03-16 06:40:35,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787546191] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 06:40:35,504 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 06:40:35,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 06:40:35,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328804562] [2022-03-16 06:40:35,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 06:40:35,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 06:40:35,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:35,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 06:40:35,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 06:40:35,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:35,506 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:35,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 06:40:35,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:35,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:35,599 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 262 states. [2022-03-16 06:40:35,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:35,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:35,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 06:40:35,600 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:35,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:35,600 INFO L85 PathProgramCache]: Analyzing trace with hash -786144168, now seen corresponding path program 1 times [2022-03-16 06:40:35,600 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:35,600 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423035159] [2022-03-16 06:40:35,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:35,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 91 proven. 9 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-03-16 06:40:35,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:35,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423035159] [2022-03-16 06:40:35,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423035159] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:40:35,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029586317] [2022-03-16 06:40:35,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:35,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:35,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:35,879 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 06:40:35,931 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 06:40:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:36,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-16 06:40:36,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:40:36,293 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 74 proven. 4 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-03-16 06:40:36,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:40:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 74 proven. 4 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-03-16 06:40:36,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029586317] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:40:36,410 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:40:36,410 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-03-16 06:40:36,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112375023] [2022-03-16 06:40:36,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:40:36,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-16 06:40:36,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:36,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-16 06:40:36,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-03-16 06:40:36,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:36,412 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:36,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.571428571428571) internal successors, (64), 14 states have internal predecessors, (64), 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 06:40:36,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:36,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:36,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:39,647 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 35307 transitions and produced 13180 states. [2022-03-16 06:40:39,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:39,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:39,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 06:40:39,666 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 06:40:39,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-16 06:40:39,871 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:39,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:39,874 INFO L85 PathProgramCache]: Analyzing trace with hash -631312986, now seen corresponding path program 2 times [2022-03-16 06:40:39,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:39,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184319615] [2022-03-16 06:40:39,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:39,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 251 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-16 06:40:40,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:40,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184319615] [2022-03-16 06:40:40,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184319615] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:40:40,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44879999] [2022-03-16 06:40:40,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 06:40:40,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:40,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:40,194 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 06:40:40,196 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 06:40:40,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 06:40:40,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:40:40,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-16 06:40:40,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:40:40,501 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 111 proven. 9 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-03-16 06:40:40,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:40:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 111 proven. 9 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-03-16 06:40:40,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44879999] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:40:40,631 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:40:40,631 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 9, 9] total 33 [2022-03-16 06:40:40,632 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364959144] [2022-03-16 06:40:40,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:40:40,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-03-16 06:40:40,632 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:40,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-03-16 06:40:40,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=890, Unknown=0, NotChecked=0, Total=1122 [2022-03-16 06:40:40,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:40,634 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:40,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.8529411764705883) internal successors, (97), 33 states have internal predecessors, (97), 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 06:40:40,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:40,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:40,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 06:40:40,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:40,925 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 325 transitions and produced 288 states. [2022-03-16 06:40:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:40,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 06:40:40,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:40,964 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 06:40:41,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:41,143 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:41,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:41,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1339110332, now seen corresponding path program 3 times [2022-03-16 06:40:41,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:41,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984127666] [2022-03-16 06:40:41,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:41,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 210 proven. 65 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-03-16 06:40:41,267 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:41,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984127666] [2022-03-16 06:40:41,267 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984127666] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:40:41,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302607655] [2022-03-16 06:40:41,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 06:40:41,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:41,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:41,268 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 06:40:41,270 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 06:40:41,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-03-16 06:40:41,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:40:41,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 06:40:41,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:40:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 174 proven. 38 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-03-16 06:40:41,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:40:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 174 proven. 38 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-03-16 06:40:41,689 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302607655] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:40:41,690 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:40:41,690 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 29 [2022-03-16 06:40:41,690 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460282991] [2022-03-16 06:40:41,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:40:41,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-16 06:40:41,690 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:41,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-16 06:40:41,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=703, Unknown=0, NotChecked=0, Total=812 [2022-03-16 06:40:41,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:41,691 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:41,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.103448275862069) internal successors, (119), 29 states have internal predecessors, (119), 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 06:40:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 06:40:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:41,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:51,828 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 130801 transitions and produced 38820 states. [2022-03-16 06:40:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:51,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 06:40:51,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:51,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-16 06:40:51,849 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 06:40:52,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:52,045 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:52,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:52,046 INFO L85 PathProgramCache]: Analyzing trace with hash -2038971324, now seen corresponding path program 4 times [2022-03-16 06:40:52,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:52,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401146352] [2022-03-16 06:40:52,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:52,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 06:40:52,132 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 51 proven. 25 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-16 06:40:52,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 06:40:52,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401146352] [2022-03-16 06:40:52,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401146352] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 06:40:52,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851521684] [2022-03-16 06:40:52,132 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 06:40:52,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:52,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 06:40:52,148 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 06:40:52,149 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 06:40:52,189 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 06:40:52,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 06:40:52,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-16 06:40:52,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 06:40:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-03-16 06:40:52,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 06:40:52,492 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-03-16 06:40:52,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851521684] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 06:40:52,493 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 06:40:52,493 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2022-03-16 06:40:52,493 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520065822] [2022-03-16 06:40:52,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 06:40:52,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-16 06:40:52,495 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 06:40:52,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-16 06:40:52,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2022-03-16 06:40:52,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:52,496 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 06:40:52,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.230769230769231) internal successors, (84), 25 states have internal predecessors, (84), 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 06:40:52,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:52,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:52,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-16 06:40:52,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:52,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-03-16 06:40:52,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 06:40:52,931 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 252 transitions and produced 221 states. [2022-03-16 06:40:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 06:40:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-16 06:40:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-16 06:40:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-16 06:40:52,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-16 06:40:52,948 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 06:40:53,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 06:40:53,140 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 06:40:53,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 06:40:53,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1147444962, now seen corresponding path program 5 times [2022-03-16 06:40:53,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 06:40:53,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35904556] [2022-03-16 06:40:53,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 06:40:53,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 06:40:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-16 06:55:02,251 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 06:55:02,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-16 06:55:02,252 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-26-3-24-3-27-3-29-3-28-3-28-3-29-3-28-3-28-3-29-3-28-3-28-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-26-3-26-3-26-3-26-3-25-3-25-3-25-3-25-3-25-3-25-3-25-3-25-3-23-3-18-3-17-3-16-3-14-3-12-3-12-3-10-3-9-3-9-3-8-3-7-3-7-3-7-3-5-3-5-3-5-3-5-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-4-3-3-2-2-1 context. [2022-03-16 06:55:02,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 06:55:02,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 06:55:02,253 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 06:55:02,258 INFO L732 BasicCegarLoop]: Path program histogram: [5, 2] [2022-03-16 06:55:02,259 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 06:55:02,259 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 06:55:02,261 INFO L202 PluginConnector]: Adding new model three-array-min.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 06:55:02 BasicIcfg [2022-03-16 06:55:02,261 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 06:55:02,261 INFO L158 Benchmark]: Toolchain (without parser) took 876169.13ms. Allocated memory was 211.8MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 175.1MB in the beginning and 3.3GB in the end (delta: -3.1GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-03-16 06:55:02,262 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 211.8MB. Free memory is still 176.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 06:55:02,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.01ms. Allocated memory is still 211.8MB. Free memory was 175.1MB in the beginning and 173.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 06:55:02,262 INFO L158 Benchmark]: Boogie Preprocessor took 10.69ms. Allocated memory is still 211.8MB. Free memory was 173.5MB in the beginning and 172.6MB in the end (delta: 947.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 06:55:02,262 INFO L158 Benchmark]: RCFGBuilder took 179.54ms. Allocated memory is still 211.8MB. Free memory was 172.6MB in the beginning and 162.5MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 06:55:02,263 INFO L158 Benchmark]: TraceAbstraction took 875958.13ms. Allocated memory was 211.8MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 162.1MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2022-03-16 06:55:02,264 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 0.11ms. Allocated memory is still 211.8MB. Free memory is still 176.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.01ms. Allocated memory is still 211.8MB. Free memory was 175.1MB in the beginning and 173.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.69ms. Allocated memory is still 211.8MB. Free memory was 173.5MB in the beginning and 172.6MB in the end (delta: 947.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 179.54ms. Allocated memory is still 211.8MB. Free memory was 172.6MB in the beginning and 162.5MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 875958.13ms. Allocated memory was 211.8MB in the beginning and 5.1GB in the end (delta: 4.9GB). Free memory was 162.1MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks [2022-03-16 06:55:02,272 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 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: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-26-3-24-3-27-3-29-3-28-3-28-3-29-3-28-3-28-3-29-3-28-3-28-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-26-3-26-3-26-3-26-3-25-3-25-3-25-3-25-3-25-3-25-3-25-3-25-3-23-3-18-3-17-3-16-3-14-3-12-3-12-3-10-3-9-3-9-3-8-3-7-3-7-3-7-3-5-3-5-3-5-3-5-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-4-3-3-2-2-1 context. - TimeoutResultAtElement [Line: 67]: 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 62 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-26-3-24-3-27-3-29-3-28-3-28-3-29-3-28-3-28-3-29-3-28-3-28-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-26-3-26-3-26-3-26-3-25-3-25-3-25-3-25-3-25-3-25-3-25-3-25-3-23-3-18-3-17-3-16-3-14-3-12-3-12-3-10-3-9-3-9-3-8-3-7-3-7-3-7-3-5-3-5-3-5-3-5-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-4-3-3-2-2-1 context. - TimeoutResultAtElement [Line: 68]: 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 62 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-26-3-24-3-27-3-29-3-28-3-28-3-29-3-28-3-28-3-29-3-28-3-28-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-26-3-26-3-26-3-26-3-25-3-25-3-25-3-25-3-25-3-25-3-25-3-25-3-23-3-18-3-17-3-16-3-14-3-12-3-12-3-10-3-9-3-9-3-8-3-7-3-7-3-7-3-5-3-5-3-5-3-5-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-4-3-3-2-2-1 context. - TimeoutResultAtElement [Line: 67]: 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 62 with TraceHistMax 6,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-26-3-24-3-27-3-29-3-28-3-28-3-29-3-28-3-28-3-29-3-28-3-28-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-27-3-26-3-26-3-26-3-26-3-25-3-25-3-25-3-25-3-25-3-25-3-25-3-25-3-23-3-18-3-17-3-16-3-14-3-12-3-12-3-10-3-9-3-9-3-8-3-7-3-7-3-7-3-5-3-5-3-5-3-5-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-4-3-4-3-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 875.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 22.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 126, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 719 NumberOfCodeBlocks, 711 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 986 ConstructedInterpolants, 0 QuantifiedInterpolants, 2663 SizeOfPredicates, 10 NumberOfNonLiveVariables, 832 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 3536/3845 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 [2022-03-16 06:55:02,287 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