/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:45:30,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:45:30,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:45:30,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-16 22:45:31,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:45:31,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:45:31,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:45:31,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:45:31,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:45:31,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:45:31,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:45:31,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:45:31,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:45:31,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:45:31,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:45:31,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:45:31,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 22:45:31,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:45:31,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:45:31,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:45:31,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-16 22:45:31,058 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:45:31,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:45:31,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:45:31,058 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:45:31,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:45:31,059 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:45:31,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:45:31,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:45:31,059 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:45:31,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:45:31,059 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:45:31,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:45:31,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:45:31,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:45:31,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:45:31,061 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:45:31,062 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:45:31,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:45:31,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:45:31,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:45:31,231 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:45:31,234 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:45:31,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl [2022-03-16 22:45:31,235 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-mult.wvr.bpl' [2022-03-16 22:45:31,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:45:31,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:45:31,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:45:31,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:45:31,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:45:31,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/1) ... [2022-03-16 22:45:31,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/1) ... [2022-03-16 22:45:31,287 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:45:31,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:45:31,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:45:31,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:45:31,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:45:31,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/1) ... [2022-03-16 22:45:31,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/1) ... [2022-03-16 22:45:31,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/1) ... [2022-03-16 22:45:31,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/1) ... [2022-03-16 22:45:31,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/1) ... [2022-03-16 22:45:31,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/1) ... [2022-03-16 22:45:31,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/1) ... [2022-03-16 22:45:31,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:45:31,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:45:31,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:45:31,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:45:31,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/1) ... [2022-03-16 22:45:31,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:45:31,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:45:31,333 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 22:45:31,352 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 22:45:31,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:45:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:45:31,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:45:31,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:45:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:45:31,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:45:31,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:45:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:45:31,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:45:31,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 22:45:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 22:45:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 22:45:31,371 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-16 22:45:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-16 22:45:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-16 22:45:31,372 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 22:45:31,413 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:45:31,415 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:45:31,493 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:45:31,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:45:31,505 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:45:31,506 INFO L202 PluginConnector]: Adding new model buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:45:31 BoogieIcfgContainer [2022-03-16 22:45:31,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:45:31,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:45:31,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:45:31,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:45:31,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:45:31" (1/2) ... [2022-03-16 22:45:31,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cdddea4 and model type buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:45:31, skipping insertion in model container [2022-03-16 22:45:31,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:45:31" (2/2) ... [2022-03-16 22:45:31,512 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-mult.wvr.bpl [2022-03-16 22:45:31,515 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:45:31,515 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:45:31,515 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:45:31,515 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:45:31,543 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-16 22:45:31,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:45:31,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:45:31,598 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 22:45:31,599 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 22:45:31,627 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:45:31,632 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 22:45:31,632 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-16 22:45:32,146 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1447 transitions and produced 1360 states. [2022-03-16 22:45:32,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:45:32,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:45:32,151 INFO L85 PathProgramCache]: Analyzing trace with hash -789047253, now seen corresponding path program 1 times [2022-03-16 22:45:32,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:45:32,157 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102570817] [2022-03-16 22:45:32,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:45:32,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:45:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:45:32,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8611 backedges. 2745 proven. 0 refuted. 0 times theorem prover too weak. 5866 trivial. 0 not checked. [2022-03-16 22:45:32,520 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:45:32,520 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102570817] [2022-03-16 22:45:32,521 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102570817] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 22:45:32,521 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 22:45:32,521 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 22:45:32,522 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157176272] [2022-03-16 22:45:32,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 22:45:32,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 22:45:32,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:45:32,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 22:45:32,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 22:45:32,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:45:32,562 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:45:32,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:45:32,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:45:33,186 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3162 transitions and produced 2737 states. [2022-03-16 22:45:33,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:45:33,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 22:45:33,187 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:45:33,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:45:33,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1809166747, now seen corresponding path program 2 times [2022-03-16 22:45:33,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:45:33,191 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960223310] [2022-03-16 22:45:33,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:45:33,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:45:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:45:34,025 INFO L134 CoverageAnalysis]: Checked inductivity of 48317 backedges. 33780 proven. 9160 refuted. 0 times theorem prover too weak. 5377 trivial. 0 not checked. [2022-03-16 22:45:34,026 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:45:34,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960223310] [2022-03-16 22:45:34,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960223310] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:45:34,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944556107] [2022-03-16 22:45:34,028 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:45:34,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:45:34,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:45:34,034 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 22:45:34,035 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 22:45:34,306 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:45:34,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:45:34,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 1652 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-16 22:45:34,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:45:37,666 INFO L134 CoverageAnalysis]: Checked inductivity of 48317 backedges. 355 proven. 18850 refuted. 0 times theorem prover too weak. 29112 trivial. 0 not checked. [2022-03-16 22:45:37,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:45:39,661 INFO L134 CoverageAnalysis]: Checked inductivity of 48317 backedges. 2405 proven. 16785 refuted. 0 times theorem prover too weak. 29127 trivial. 0 not checked. [2022-03-16 22:45:39,662 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944556107] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:45:39,662 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:45:39,662 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 49, 39] total 101 [2022-03-16 22:45:39,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414079098] [2022-03-16 22:45:39,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:45:39,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2022-03-16 22:45:39,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:45:39,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2022-03-16 22:45:39,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2722, Invalid=7580, Unknown=0, NotChecked=0, Total=10302 [2022-03-16 22:45:39,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:45:39,671 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:45:39,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 4.176470588235294) internal successors, (426), 101 states have internal predecessors, (426), 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 22:45:39,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:45:39,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:45:46,283 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2833 transitions and produced 2309 states. [2022-03-16 22:45:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:45:46,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-03-16 22:45:46,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 22:45:46,504 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,SelfDestructingSolverStorable1 [2022-03-16 22:45:46,507 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:45:46,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:45:46,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1422594373, now seen corresponding path program 3 times [2022-03-16 22:45:46,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:45:46,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900348426] [2022-03-16 22:45:46,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:45:46,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:45:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:46:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 23408 backedges. 10083 proven. 10905 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2022-03-16 22:46:02,075 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:46:02,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900348426] [2022-03-16 22:46:02,076 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900348426] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:46:02,076 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430769214] [2022-03-16 22:46:02,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:46:02,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:46:02,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:46:02,078 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 22:46:02,104 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 22:46:02,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-03-16 22:46:02,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:46:02,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-16 22:46:02,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:46:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 23408 backedges. 1988 proven. 5 refuted. 0 times theorem prover too weak. 21415 trivial. 0 not checked. [2022-03-16 22:46:02,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:46:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 23408 backedges. 1988 proven. 5 refuted. 0 times theorem prover too weak. 21415 trivial. 0 not checked. [2022-03-16 22:46:03,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430769214] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:46:03,252 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:46:03,252 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [233, 6, 6] total 238 [2022-03-16 22:46:03,252 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901420681] [2022-03-16 22:46:03,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:46:03,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 238 states [2022-03-16 22:46:03,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:46:03,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 238 interpolants. [2022-03-16 22:46:03,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13064, Invalid=43342, Unknown=0, NotChecked=0, Total=56406 [2022-03-16 22:46:03,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:46:03,277 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:46:03,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 238 states, 238 states have (on average 1.8529411764705883) internal successors, (441), 238 states have internal predecessors, (441), 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 22:46:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:46:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-03-16 22:46:03,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:46:47,083 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3943 transitions and produced 3441 states. [2022-03-16 22:46:47,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:46:47,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-03-16 22:46:47,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 675 states. [2022-03-16 22:46:47,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-16 22:46:47,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:46:47,307 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:46:47,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:46:47,308 INFO L85 PathProgramCache]: Analyzing trace with hash 814647595, now seen corresponding path program 4 times [2022-03-16 22:46:47,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:46:47,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014605947] [2022-03-16 22:46:47,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:46:47,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:46:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:47:23,291 INFO L134 CoverageAnalysis]: Checked inductivity of 51817 backedges. 16395 proven. 33002 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2022-03-16 22:47:23,292 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:47:23,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014605947] [2022-03-16 22:47:23,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014605947] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:47:23,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751723540] [2022-03-16 22:47:23,292 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 22:47:23,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:47:23,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:47:23,301 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 22:47:23,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 22:47:23,583 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 22:47:23,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:47:23,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 2176 conjuncts, 86 conjunts are in the unsatisfiable core [2022-03-16 22:47:23,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:47:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 51817 backedges. 16017 proven. 2501 refuted. 0 times theorem prover too weak. 33299 trivial. 0 not checked. [2022-03-16 22:47:36,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:47:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 51817 backedges. 16017 proven. 2501 refuted. 0 times theorem prover too weak. 33299 trivial. 0 not checked. [2022-03-16 22:47:49,835 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751723540] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:47:49,835 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:47:49,836 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [418, 85, 85] total 586 [2022-03-16 22:47:49,836 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118365161] [2022-03-16 22:47:49,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:47:49,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 587 states [2022-03-16 22:47:49,838 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:47:49,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 587 interpolants. [2022-03-16 22:47:49,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34891, Invalid=309091, Unknown=0, NotChecked=0, Total=343982 [2022-03-16 22:47:49,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:47:49,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:47:49,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 587 states, 587 states have (on average 2.1379897785349233) internal successors, (1255), 586 states have internal predecessors, (1255), 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 22:47:49,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:47:49,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-03-16 22:47:49,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 675 states. [2022-03-16 22:47:49,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:48:16,236 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3854 transitions and produced 3090 states. [2022-03-16 22:48:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:48:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-03-16 22:48:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 678 states. [2022-03-16 22:48:16,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2022-03-16 22:48:16,264 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 22:48:16,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:48:16,455 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:48:16,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:48:16,456 INFO L85 PathProgramCache]: Analyzing trace with hash 466341701, now seen corresponding path program 5 times [2022-03-16 22:48:16,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:48:16,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299364867] [2022-03-16 22:48:16,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:48:16,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:48:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:48:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 33562 backedges. 12020 proven. 18554 refuted. 0 times theorem prover too weak. 2988 trivial. 0 not checked. [2022-03-16 22:48:31,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:48:31,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299364867] [2022-03-16 22:48:31,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299364867] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:48:31,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785311145] [2022-03-16 22:48:31,039 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 22:48:31,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:48:31,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:48:31,040 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 22:48:31,049 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 22:48:31,449 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 113 check-sat command(s) [2022-03-16 22:48:31,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:48:31,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 212 conjunts are in the unsatisfiable core [2022-03-16 22:48:31,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:48:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 33562 backedges. 9622 proven. 23891 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-03-16 22:48:52,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:49:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 33562 backedges. 10442 proven. 23024 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-03-16 22:49:12,236 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785311145] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:49:12,236 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:49:12,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [243, 211, 141] total 593 [2022-03-16 22:49:12,239 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897330740] [2022-03-16 22:49:12,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:49:12,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 594 states [2022-03-16 22:49:12,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:49:12,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 594 interpolants. [2022-03-16 22:49:12,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34447, Invalid=317795, Unknown=0, NotChecked=0, Total=352242 [2022-03-16 22:49:12,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:49:12,258 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:49:12,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 594 states, 594 states have (on average 2.9242424242424243) internal successors, (1737), 593 states have internal predecessors, (1737), 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 22:49:12,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:49:12,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-03-16 22:49:12,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 678 states. [2022-03-16 22:49:12,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2022-03-16 22:49:12,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:52:15,718 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 51277 transitions and produced 41631 states. [2022-03-16 22:52:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:52:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-03-16 22:52:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 678 states. [2022-03-16 22:52:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2022-03-16 22:52:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1233 states. [2022-03-16 22:52:15,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-16 22:52:15,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:52:15,938 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-16 22:52:15,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:52:15,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1154550854, now seen corresponding path program 6 times [2022-03-16 22:52:15,939 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:52:15,940 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466227178] [2022-03-16 22:52:15,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:52:15,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:53:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-16 22:59:24,162 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-16 22:59:24,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-16 22:59:24,163 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 9161 with TraceHistMax 2344,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1135 known predicates. [2022-03-16 22:59:24,164 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-16 22:59:24,164 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-16 22:59:24,164 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-16 22:59:24,164 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-16 22:59:24,169 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:59:24,169 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:59:24,176 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 22:59:24,178 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 22:59:24,178 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 22:59:24,179 INFO L202 PluginConnector]: Adding new model buffer-mult.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:59:24 BasicIcfg [2022-03-16 22:59:24,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 22:59:24,180 INFO L158 Benchmark]: Toolchain (without parser) took 832924.76ms. Allocated memory was 190.8MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 150.1MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-03-16 22:59:24,180 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 190.8MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:59:24,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.69ms. Allocated memory is still 190.8MB. Free memory was 150.0MB in the beginning and 148.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:59:24,180 INFO L158 Benchmark]: Boogie Preprocessor took 12.58ms. Allocated memory is still 190.8MB. Free memory was 148.4MB in the beginning and 147.5MB in the end (delta: 920.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:59:24,180 INFO L158 Benchmark]: RCFGBuilder took 198.08ms. Allocated memory is still 190.8MB. Free memory was 147.3MB in the beginning and 136.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 22:59:24,181 INFO L158 Benchmark]: TraceAbstraction took 832671.52ms. Allocated memory was 190.8MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 136.3MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-03-16 22:59:24,182 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 0.09ms. Allocated memory is still 190.8MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.69ms. Allocated memory is still 190.8MB. Free memory was 150.0MB in the beginning and 148.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 12.58ms. Allocated memory is still 190.8MB. Free memory was 148.4MB in the beginning and 147.5MB in the end (delta: 920.6kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 198.08ms. Allocated memory is still 190.8MB. Free memory was 147.3MB in the beginning and 136.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 832671.52ms. Allocated memory was 190.8MB in the beginning and 7.0GB in the end (delta: 6.8GB). Free memory was 136.3MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 1.9GB. 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: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 9161 with TraceHistMax 2344,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1135 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 9161 with TraceHistMax 2344,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1135 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 9161 with TraceHistMax 2344,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1135 known predicates. - TimeoutResultAtElement [Line: 74]: 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 9161 with TraceHistMax 2344,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1135 known predicates. - TimeoutResultAtElement [Line: 75]: 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 9161 with TraceHistMax 2344,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1135 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 832.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 261.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2388, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 139.4s InterpolantComputationTime, 5734 NumberOfCodeBlocks, 5293 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 8441 ConstructedInterpolants, 0 QuantifiedInterpolants, 44541 SizeOfPredicates, 12 NumberOfNonLiveVariables, 5673 ConjunctsInSsa, 360 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 320740/479923 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