/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-bad/ring.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 06:07:18,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 06:07:18,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 06:07:18,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 06:07:18,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 06:07:18,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 06:07:18,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 06:07:18,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 06:07:18,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 06:07:18,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 06:07:18,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 06:07:18,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 06:07:18,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 06:07:18,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 06:07:18,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 06:07:18,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 06:07:19,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 06:07:19,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 06:07:19,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 06:07:19,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 06:07:19,015 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 06:07:19,037 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 06:07:19,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 06:07:19,037 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 06:07:19,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 06:07:19,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 06:07:19,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 06:07:19,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 06:07:19,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 06:07:19,038 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 06:07:19,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 06:07:19,038 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 06:07:19,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 06:07:19,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 06:07:19,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 06:07:19,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 06:07:19,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 06:07:19,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 06:07:19,039 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 06:07:19,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 06:07:19,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 06:07:19,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 06:07:19,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 06:07:19,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 06:07:19,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 06:07:19,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 06:07:19,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:07:19,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 06:07:19,040 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 06:07:19,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 06:07:19,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 06:07:19,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 06:07:19,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 06:07:19,040 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 06:07:19,041 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 06:07:19,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 06:07:19,041 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 06:07:19,041 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 06:07:19,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 06:07:19,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 06:07:19,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 06:07:19,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 06:07:19,238 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 06:07:19,239 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 06:07:19,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl [2022-03-04 06:07:19,241 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl' [2022-03-04 06:07:19,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 06:07:19,260 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 06:07:19,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 06:07:19,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 06:07:19,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 06:07:19,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/1) ... [2022-03-04 06:07:19,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/1) ... [2022-03-04 06:07:19,287 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 06:07:19,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 06:07:19,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 06:07:19,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 06:07:19,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 06:07:19,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/1) ... [2022-03-04 06:07:19,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/1) ... [2022-03-04 06:07:19,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/1) ... [2022-03-04 06:07:19,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/1) ... [2022-03-04 06:07:19,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/1) ... [2022-03-04 06:07:19,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/1) ... [2022-03-04 06:07:19,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/1) ... [2022-03-04 06:07:19,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 06:07:19,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 06:07:19,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 06:07:19,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 06:07:19,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/1) ... [2022-03-04 06:07:19,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:07:19,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:07:19,381 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 06:07:19,411 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 06:07:19,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 06:07:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 06:07:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 06:07:19,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 06:07:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 06:07:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 06:07:19,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 06:07:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 06:07:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 06:07:19,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 06:07:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 06:07:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 06:07:19,445 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 06:07:19,493 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 06:07:19,494 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 06:07:19,588 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 06:07:19,621 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 06:07:19,622 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 06:07:19,625 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:07:19 BoogieIcfgContainer [2022-03-04 06:07:19,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 06:07:19,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 06:07:19,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 06:07:19,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 06:07:19,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:07:19" (1/2) ... [2022-03-04 06:07:19,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637cb75e and model type ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:07:19, skipping insertion in model container [2022-03-04 06:07:19,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:07:19" (2/2) ... [2022-03-04 06:07:19,649 INFO L111 eAbstractionObserver]: Analyzing ICFG ring.wvr.bpl [2022-03-04 06:07:19,653 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 06:07:19,653 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 06:07:19,653 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 06:07:19,653 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 06:07:19,725 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 06:07:19,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 06:07:19,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:07:19,767 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 06:07:19,768 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 06:07:19,799 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 06:07:19,804 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 06:07:19,805 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 06:07:22,629 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 408233 transitions and produced 135331 states. [2022-03-04 06:07:22,631 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:07:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:07:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1654894987, now seen corresponding path program 1 times [2022-03-04 06:07:22,643 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:07:22,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059870882] [2022-03-04 06:07:22,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:07:22,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:07:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:07:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 6802 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 6705 trivial. 0 not checked. [2022-03-04 06:07:23,014 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:07:23,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059870882] [2022-03-04 06:07:23,015 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059870882] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 06:07:23,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 06:07:23,032 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 06:07:23,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30910656] [2022-03-04 06:07:23,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 06:07:23,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 06:07:23,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:07:23,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 06:07:23,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 06:07:23,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:07:23,069 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:07:23,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 06:07:23,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:07:23,286 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9651 transitions and produced 3611 states. [2022-03-04 06:07:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:07:23,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 06:07:23,287 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:07:23,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:07:23,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1707084956, now seen corresponding path program 2 times [2022-03-04 06:07:23,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:07:23,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708651225] [2022-03-04 06:07:23,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:07:23,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:07:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:07:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6047 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 5719 trivial. 0 not checked. [2022-03-04 06:07:23,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:07:23,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708651225] [2022-03-04 06:07:23,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708651225] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 06:07:23,894 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 06:07:23,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-04 06:07:23,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869989532] [2022-03-04 06:07:23,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 06:07:23,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-04 06:07:23,896 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:07:23,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-04 06:07:23,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-04 06:07:23,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:07:23,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:07:23,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 06:07:23,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:07:23,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:07:24,661 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73371 transitions and produced 24716 states. [2022-03-04 06:07:24,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:07:24,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:24,662 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 06:07:24,663 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:07:24,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:07:24,664 INFO L85 PathProgramCache]: Analyzing trace with hash -198773002, now seen corresponding path program 3 times [2022-03-04 06:07:24,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:07:24,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929493506] [2022-03-04 06:07:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:07:24,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:07:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:07:24,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5293 backedges. 448 proven. 2 refuted. 0 times theorem prover too weak. 4843 trivial. 0 not checked. [2022-03-04 06:07:24,960 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:07:24,960 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929493506] [2022-03-04 06:07:24,961 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929493506] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:07:24,961 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228951716] [2022-03-04 06:07:24,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 06:07:24,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:07:24,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:07:24,991 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 06:07:25,063 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 06:07:25,357 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-03-04 06:07:25,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:07:25,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-04 06:07:25,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:07:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5293 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 4845 trivial. 0 not checked. [2022-03-04 06:07:25,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-04 06:07:25,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228951716] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 06:07:25,956 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-04 06:07:25,956 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-03-04 06:07:25,956 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781217006] [2022-03-04 06:07:25,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 06:07:25,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-04 06:07:25,957 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:07:25,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-04 06:07:25,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-04 06:07:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:07:25,958 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:07:25,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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 06:07:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:07:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:25,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:07:26,001 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1187 transitions and produced 726 states. [2022-03-04 06:07:26,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:07:26,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:26,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:26,021 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 06:07:26,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-04 06:07:26,216 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:07:26,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:07:26,217 INFO L85 PathProgramCache]: Analyzing trace with hash -633261751, now seen corresponding path program 4 times [2022-03-04 06:07:26,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:07:26,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816130976] [2022-03-04 06:07:26,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:07:26,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:07:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:07:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 811 proven. 74 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-03-04 06:07:26,423 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:07:26,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816130976] [2022-03-04 06:07:26,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816130976] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:07:26,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659025740] [2022-03-04 06:07:26,424 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:07:26,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:07:26,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:07:26,440 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 06:07:26,441 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 06:07:26,565 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:07:26,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:07:26,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-04 06:07:26,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:07:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-03-04 06:07:27,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:07:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-03-04 06:07:27,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659025740] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:07:27,610 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:07:27,610 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 5 [2022-03-04 06:07:27,610 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641676127] [2022-03-04 06:07:27,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:07:27,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 06:07:27,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:07:27,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 06:07:27,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-03-04 06:07:27,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:07:27,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:07:27,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 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 06:07:27,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:07:27,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:27,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:27,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:07:27,652 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 815 transitions and produced 544 states. [2022-03-04 06:07:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:07:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:27,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 06:07:27,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:07:27,868 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:07:27,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:07:27,868 INFO L85 PathProgramCache]: Analyzing trace with hash 975561598, now seen corresponding path program 5 times [2022-03-04 06:07:27,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:07:27,869 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432275306] [2022-03-04 06:07:27,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:07:27,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:07:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:07:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 316 proven. 151 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-03-04 06:07:28,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:07:28,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432275306] [2022-03-04 06:07:28,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432275306] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:07:28,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353790312] [2022-03-04 06:07:28,132 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 06:07:28,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:07:28,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:07:28,133 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 06:07:28,135 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 06:07:28,338 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2022-03-04 06:07:28,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:07:28,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-04 06:07:28,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:07:28,799 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-04 06:07:28,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-03-04 06:07:28,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:07:28,907 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-04 06:07:28,907 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2022-03-04 06:07:29,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-03-04 06:07:29,262 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353790312] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:07:29,262 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:07:29,262 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 12 [2022-03-04 06:07:29,263 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779421842] [2022-03-04 06:07:29,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:07:29,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-04 06:07:29,264 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:07:29,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-04 06:07:29,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-03-04 06:07:29,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:07:29,267 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:07:29,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 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 06:07:29,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:07:29,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:29,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:29,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:29,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:07:29,414 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 989 transitions and produced 626 states. [2022-03-04 06:07:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:07:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 06:07:29,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 06:07:29,435 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 06:07:29,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:07:29,631 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:07:29,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:07:29,632 INFO L85 PathProgramCache]: Analyzing trace with hash 570042455, now seen corresponding path program 6 times [2022-03-04 06:07:29,632 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:07:29,632 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939515172] [2022-03-04 06:07:29,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:07:29,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:07:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:07:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 26 proven. 896 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-03-04 06:07:34,362 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:07:34,362 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939515172] [2022-03-04 06:07:34,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939515172] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:07:34,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780180116] [2022-03-04 06:07:34,363 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 06:07:34,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:07:34,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:07:34,364 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 06:07:34,365 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 06:07:34,498 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-03-04 06:07:34,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:07:34,505 WARN L261 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 341 conjunts are in the unsatisfiable core [2022-03-04 06:07:34,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:09:29,886 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-04 06:09:29,887 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-03-04 06:09:33,135 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-04 06:09:33,135 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-03-04 06:09:34,055 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-04 06:09:34,058 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 357 treesize of output 145 [2022-03-04 06:09:34,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 1074 proven. 474 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-04 06:09:34,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:11:49,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,779 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,781 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,782 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,791 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,792 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,800 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,802 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,805 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,811 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,871 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:11:49,977 INFO L244 Elim1Store]: Index analysis took 205 ms [2022-03-04 06:11:52,094 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:11:52,095 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 273 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 105 case distinctions, treesize of input 462 treesize of output 1478 Received shutdown request... [2022-03-04 06:21:48,645 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 06:21:48,645 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:21:48,645 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 06:21:48,651 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 06:21:48,653 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 06:21:48,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-04 06:21:48,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:21:48,860 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 492ms.. [2022-03-04 06:21:48,867 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 06:21:48,867 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 06:21:48,867 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 06:21:48,871 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 06:21:48,872 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:21:48,872 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:21:48,873 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:21:48 BasicIcfg [2022-03-04 06:21:48,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:21:48,874 INFO L158 Benchmark]: Toolchain (without parser) took 869613.54ms. Allocated memory was 204.5MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 166.1MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-03-04 06:21:48,874 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 204.5MB. Free memory is still 167.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:21:48,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.04ms. Allocated memory is still 204.5MB. Free memory was 166.0MB in the beginning and 164.5MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-04 06:21:48,874 INFO L158 Benchmark]: Boogie Preprocessor took 25.05ms. Allocated memory is still 204.5MB. Free memory was 164.5MB in the beginning and 163.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:21:48,875 INFO L158 Benchmark]: RCFGBuilder took 307.73ms. Allocated memory is still 204.5MB. Free memory was 163.3MB in the beginning and 152.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-04 06:21:48,875 INFO L158 Benchmark]: TraceAbstraction took 869229.36ms. Allocated memory was 204.5MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 152.4MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-03-04 06:21:48,876 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 0.13ms. Allocated memory is still 204.5MB. Free memory is still 167.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.04ms. Allocated memory is still 204.5MB. Free memory was 166.0MB in the beginning and 164.5MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.05ms. Allocated memory is still 204.5MB. Free memory was 164.5MB in the beginning and 163.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 307.73ms. Allocated memory is still 204.5MB. Free memory was 163.3MB in the beginning and 152.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 869229.36ms. Allocated memory was 204.5MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 152.4MB in the beginning and 3.1GB in the end (delta: -2.9GB). Peak memory consumption was 2.4GB. 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: 104]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 492ms.. - TimeoutResultAtElement [Line: 98]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 492ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 492ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 492ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 869.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 4.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 1.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 2641 NumberOfCodeBlocks, 2572 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 3145 ConstructedInterpolants, 0 QuantifiedInterpolants, 6891 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2215 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 33774/34187 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