/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-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 06:35:29,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 06:35:29,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 06:35:29,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 06:35:29,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 06:35:29,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 06:35:29,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 06:35:29,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 06:35:29,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 06:35:29,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 06:35:29,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 06:35:29,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 06:35:29,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 06:35:29,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 06:35:29,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 06:35:29,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 06:35:29,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 06:35:29,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 06:35:29,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 06:35:29,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 06:35:29,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 06:35:29,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 06:35:29,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 06:35:29,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 06:35:29,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 06:35:29,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 06:35:29,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 06:35:29,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 06:35:29,949 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 [2022-03-04 06:35:29,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 06:35:29,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 06:35:29,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 06:35:29,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 06:35:29,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 06:35:29,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 06:35:29,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 06:35:29,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 06:35:29,977 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 06:35:29,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 06:35:29,977 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 06:35:29,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 06:35:29,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 06:35:29,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 06:35:29,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 06:35:29,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 06:35:29,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 06:35:29,978 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 06:35:29,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 06:35:29,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 06:35:29,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 06:35:29,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 06:35:29,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 06:35:29,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 06:35:29,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 06:35:29,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:35:29,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 06:35:29,979 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 06:35:29,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 06:35:29,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 06:35:29,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 06:35:29,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 06:35:29,980 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 06:35:29,980 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 06:35:29,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 06:35:29,980 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 06:35:29,980 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 06:35:29,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 06:35:30,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 06:35:30,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 06:35:30,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 06:35:30,161 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 06:35:30,163 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 06:35:30,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2022-03-04 06:35:30,164 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2022-03-04 06:35:30,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 06:35:30,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 06:35:30,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 06:35:30,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 06:35:30,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 06:35:30,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/1) ... [2022-03-04 06:35:30,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/1) ... [2022-03-04 06:35:30,213 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 06:35:30,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 06:35:30,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 06:35:30,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 06:35:30,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 06:35:30,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/1) ... [2022-03-04 06:35:30,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/1) ... [2022-03-04 06:35:30,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/1) ... [2022-03-04 06:35:30,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/1) ... [2022-03-04 06:35:30,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/1) ... [2022-03-04 06:35:30,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/1) ... [2022-03-04 06:35:30,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/1) ... [2022-03-04 06:35:30,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 06:35:30,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 06:35:30,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 06:35:30,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 06:35:30,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/1) ... [2022-03-04 06:35:30,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:35:30,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:30,256 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) [2022-03-04 06:35:30,274 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 [2022-03-04 06:35:30,288 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 06:35:30,289 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 06:35:30,289 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 06:35:30,289 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 06:35:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 06:35:30,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 06:35:30,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 06:35:30,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 06:35:30,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 06:35:30,291 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 06:35:30,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 06:35:30,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 06:35:30,292 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 06:35:30,326 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 06:35:30,329 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 06:35:30,422 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 06:35:30,443 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 06:35:30,444 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 06:35:30,445 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:35:30 BoogieIcfgContainer [2022-03-04 06:35:30,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 06:35:30,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 06:35:30,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 06:35:30,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 06:35:30,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:30" (1/2) ... [2022-03-04 06:35:30,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ad73ed and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:35:30, skipping insertion in model container [2022-03-04 06:35:30,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:35:30" (2/2) ... [2022-03-04 06:35:30,451 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2022-03-04 06:35:30,453 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 06:35:30,454 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 06:35:30,454 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 06:35:30,454 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 06:35:30,499 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 06:35:30,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 06:35:30,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:30,537 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) [2022-03-04 06:35:30,538 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 [2022-03-04 06:35:30,563 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 06:35:30,567 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 [2022-03-04 06:35:30,568 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 06:35:30,644 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1043 transitions and produced 445 states. [2022-03-04 06:35:30,645 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:30,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:30,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1083361060, now seen corresponding path program 1 times [2022-03-04 06:35:30,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:30,655 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428242882] [2022-03-04 06:35:30,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:30,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:31,007 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:31,007 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:31,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428242882] [2022-03-04 06:35:31,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428242882] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:31,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236372963] [2022-03-04 06:35:31,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:31,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:31,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:31,011 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) [2022-03-04 06:35:31,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 06:35:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:31,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-04 06:35:31,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-04 06:35:31,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:31,491 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-04 06:35:31,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236372963] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:35:31,491 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:35:31,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 26 [2022-03-04 06:35:31,494 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33585568] [2022-03-04 06:35:31,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:35:31,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-04 06:35:31,502 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:35:31,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-04 06:35:31,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=538, Unknown=0, NotChecked=0, Total=650 [2022-03-04 06:35:31,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:31,527 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:35:31,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8461538461538463) internal successors, (74), 26 states have internal predecessors, (74), 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) [2022-03-04 06:35:31,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:31,907 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1054 transitions and produced 456 states. [2022-03-04 06:35:31,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:35:31,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-04 06:35:32,123 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 [2022-03-04 06:35:32,124 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:32,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:32,124 INFO L85 PathProgramCache]: Analyzing trace with hash 330822714, now seen corresponding path program 2 times [2022-03-04 06:35:32,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:32,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888170528] [2022-03-04 06:35:32,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:32,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:32,306 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:32,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888170528] [2022-03-04 06:35:32,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888170528] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:32,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764777188] [2022-03-04 06:35:32,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 06:35:32,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:32,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:32,308 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) [2022-03-04 06:35:32,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 06:35:32,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 06:35:32,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:35:32,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-04 06:35:32,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-04 06:35:32,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-03-04 06:35:32,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764777188] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:35:32,745 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:35:32,745 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 10, 10] total 30 [2022-03-04 06:35:32,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584109742] [2022-03-04 06:35:32,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:35:32,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-03-04 06:35:32,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:35:32,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-03-04 06:35:32,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=728, Unknown=0, NotChecked=0, Total=870 [2022-03-04 06:35:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:32,750 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:35:32,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 states have internal predecessors, (82), 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) [2022-03-04 06:35:32,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:35:32,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:33,077 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1065 transitions and produced 467 states. [2022-03-04 06:35:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:35:33,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:33,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 06:35:33,285 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 [2022-03-04 06:35:33,286 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:33,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:33,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2143203304, now seen corresponding path program 3 times [2022-03-04 06:35:33,287 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:33,287 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549228202] [2022-03-04 06:35:33,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:33,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:33,398 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 06:35:33,399 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:33,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549228202] [2022-03-04 06:35:33,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549228202] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:33,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659080208] [2022-03-04 06:35:33,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 06:35:33,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:33,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:33,400 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) [2022-03-04 06:35:33,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 06:35:33,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-04 06:35:33,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:35:33,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-04 06:35:33,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:33,649 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 06:35:33,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:33,873 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 61 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 06:35:33,874 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659080208] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:35:33,874 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:35:33,874 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 33 [2022-03-04 06:35:33,874 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955643686] [2022-03-04 06:35:33,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:35:33,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-03-04 06:35:33,875 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:35:33,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-03-04 06:35:33,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=836, Unknown=0, NotChecked=0, Total=1056 [2022-03-04 06:35:33,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:33,875 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:35:33,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.8181818181818183) internal successors, (93), 33 states have internal predecessors, (93), 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) [2022-03-04 06:35:33,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:35:33,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:33,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:34,300 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 301 transitions and produced 237 states. [2022-03-04 06:35:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:35:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:35:34,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 06:35:34,501 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 [2022-03-04 06:35:34,501 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:34,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:34,502 INFO L85 PathProgramCache]: Analyzing trace with hash -687872334, now seen corresponding path program 4 times [2022-03-04 06:35:34,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:34,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657930619] [2022-03-04 06:35:34,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:34,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 46 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:34,707 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:34,707 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657930619] [2022-03-04 06:35:34,707 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657930619] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:34,707 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019620255] [2022-03-04 06:35:34,707 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:35:34,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:34,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:34,709 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) [2022-03-04 06:35:34,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 06:35:34,740 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:35:34,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:35:34,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-04 06:35:34,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:35,095 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 49 proven. 59 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 06:35:35,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 59 proven. 49 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 06:35:35,478 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019620255] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:35:35,478 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:35:35,478 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 19] total 53 [2022-03-04 06:35:35,478 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045816005] [2022-03-04 06:35:35,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:35:35,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-03-04 06:35:35,479 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:35:35,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-03-04 06:35:35,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=495, Invalid=2261, Unknown=0, NotChecked=0, Total=2756 [2022-03-04 06:35:35,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:35,481 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:35:35,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.3962264150943398) internal successors, (127), 53 states have internal predecessors, (127), 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) [2022-03-04 06:35:35,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:35:35,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:35,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:35:35,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:35,943 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 312 transitions and produced 252 states. [2022-03-04 06:35:35,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:35:35,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:35,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:35:35,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 06:35:35,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 06:35:36,144 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 [2022-03-04 06:35:36,144 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:36,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:36,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1856600944, now seen corresponding path program 5 times [2022-03-04 06:35:36,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:36,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135345039] [2022-03-04 06:35:36,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:36,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:36,332 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:36,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135345039] [2022-03-04 06:35:36,333 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135345039] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:36,333 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803149498] [2022-03-04 06:35:36,333 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 06:35:36,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:36,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:36,334 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) [2022-03-04 06:35:36,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 06:35:36,369 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-04 06:35:36,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:35:36,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-04 06:35:36,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 46 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:36,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 65 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:37,358 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803149498] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:35:37,359 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:35:37,359 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-03-04 06:35:37,359 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87883296] [2022-03-04 06:35:37,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:35:37,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-04 06:35:37,359 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:35:37,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-04 06:35:37,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=729, Invalid=3177, Unknown=0, NotChecked=0, Total=3906 [2022-03-04 06:35:37,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:37,361 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:35:37,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 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) [2022-03-04 06:35:37,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:35:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:35:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 06:35:37,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:38,083 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 345 transitions and produced 281 states. [2022-03-04 06:35:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 06:35:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 06:35:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 06:35:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-04 06:35:38,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 06:35:38,284 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 [2022-03-04 06:35:38,284 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:38,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:38,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1807097558, now seen corresponding path program 6 times [2022-03-04 06:35:38,285 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:38,285 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455227203] [2022-03-04 06:35:38,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:38,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:39,836 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:39,836 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455227203] [2022-03-04 06:35:39,836 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455227203] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:39,836 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661063360] [2022-03-04 06:35:39,837 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 06:35:39,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:39,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:39,838 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) [2022-03-04 06:35:39,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 06:35:39,877 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-03-04 06:35:39,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:35:39,879 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2022-03-04 06:35:39,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:42,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:42,497 INFO L244 Elim1Store]: Index analysis took 107 ms [2022-03-04 06:35:42,684 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:35:42,685 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 135 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 36 case distinctions, treesize of input 101 treesize of output 431 [2022-03-04 06:35:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:43,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:47,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:47,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:47,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:47,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:47,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:47,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:49,750 INFO L353 Elim1Store]: treesize reduction 192, result has 83.6 percent of original size [2022-03-04 06:35:49,751 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 49 disjoint index pairs (out of 231 index pairs), introduced 18 new quantified variables, introduced 144 case distinctions, treesize of input 215 treesize of output 1020 Received shutdown request... [2022-03-04 06:50:03,715 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 06:50:03,726 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 [2022-03-04 06:50:03,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-04 06:50:03,733 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 [2022-03-04 06:50:03,741 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 [2022-03-04 06:50:03,915 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 [2022-03-04 06:50:03,916 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 6763 of 8192 xjuncts. [2022-03-04 06:50:03,917 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 06:50:03,917 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 06:50:03,917 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 06:50:03,920 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 06:50:03,922 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:50:03,922 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:50:03,923 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:50:03 BasicIcfg [2022-03-04 06:50:03,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:50:03,924 INFO L158 Benchmark]: Toolchain (without parser) took 873735.20ms. Allocated memory was 211.8MB in the beginning and 657.5MB in the end (delta: 445.6MB). Free memory was 176.6MB in the beginning and 459.9MB in the end (delta: -283.2MB). Peak memory consumption was 411.5MB. Max. memory is 8.0GB. [2022-03-04 06:50:03,924 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 211.8MB. Free memory is still 177.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:50:03,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.94ms. Allocated memory is still 211.8MB. Free memory was 176.6MB in the beginning and 175.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:50:03,924 INFO L158 Benchmark]: Boogie Preprocessor took 14.08ms. Allocated memory is still 211.8MB. Free memory was 175.1MB in the beginning and 174.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:50:03,924 INFO L158 Benchmark]: RCFGBuilder took 215.07ms. Allocated memory is still 211.8MB. Free memory was 174.1MB in the beginning and 164.8MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:50:03,925 INFO L158 Benchmark]: TraceAbstraction took 873476.86ms. Allocated memory was 211.8MB in the beginning and 657.5MB in the end (delta: 445.6MB). Free memory was 164.2MB in the beginning and 459.9MB in the end (delta: -295.6MB). Peak memory consumption was 400.0MB. Max. memory is 8.0GB. [2022-03-04 06:50:03,926 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 177.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.94ms. Allocated memory is still 211.8MB. Free memory was 176.6MB in the beginning and 175.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.08ms. Allocated memory is still 211.8MB. Free memory was 175.1MB in the beginning and 174.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 215.07ms. Allocated memory is still 211.8MB. Free memory was 174.1MB in the beginning and 164.8MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 873476.86ms. Allocated memory was 211.8MB in the beginning and 657.5MB in the end (delta: 445.6MB). Free memory was 164.2MB in the beginning and 459.9MB in the end (delta: -295.6MB). Peak memory consumption was 400.0MB. 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 6763 of 8192 xjuncts. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 6763 of 8192 xjuncts. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 6763 of 8192 xjuncts. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while ExplicitLhsPolynomialRelations was build 6763 of 8192 xjuncts. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 873.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 2.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 162, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 496 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 4172 SizeOfPredicates, 32 NumberOfNonLiveVariables, 620 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 838/1401 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