/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 23:59:05,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 23:59:05,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 23:59:05,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 23:59:05,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 23:59:05,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 23:59:05,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 23:59:05,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 23:59:05,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 23:59:05,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 23:59:05,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 23:59:05,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 23:59:05,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 23:59:05,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 23:59:05,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 23:59:05,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 23:59:05,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 23:59:05,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 23:59:05,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 23:59:05,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 23:59:05,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 23:59:05,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 23:59:05,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 23:59:05,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 23:59:05,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 23:59:05,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 23:59:05,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 23:59:05,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 23:59:05,492 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.epf [2022-02-09 23:59:05,517 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 23:59:05,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 23:59:05,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 23:59:05,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 23:59:05,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 23:59:05,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 23:59:05,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 23:59:05,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 23:59:05,519 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 23:59:05,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 23:59:05,520 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 23:59:05,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 23:59:05,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 23:59:05,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 23:59:05,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 23:59:05,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 23:59:05,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 23:59:05,521 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 23:59:05,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 23:59:05,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 23:59:05,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 23:59:05,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 23:59:05,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 23:59:05,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 23:59:05,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 23:59:05,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 23:59:05,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 23:59:05,522 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 23:59:05,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 23:59:05,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 23:59:05,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 23:59:05,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 23:59:05,522 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 23:59:05,522 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 23:59:05,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 23:59:05,523 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 23:59:05,523 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 23:59:05,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 23:59:05,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 23:59:05,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 23:59:05,722 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 23:59:05,722 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 23:59:05,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl [2022-02-09 23:59:05,724 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl' [2022-02-09 23:59:05,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 23:59:05,749 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 23:59:05,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 23:59:05,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 23:59:05,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 23:59:05,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/1) ... [2022-02-09 23:59:05,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/1) ... [2022-02-09 23:59:05,768 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 23:59:05,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 23:59:05,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 23:59:05,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 23:59:05,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 23:59:05,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/1) ... [2022-02-09 23:59:05,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/1) ... [2022-02-09 23:59:05,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/1) ... [2022-02-09 23:59:05,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/1) ... [2022-02-09 23:59:05,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/1) ... [2022-02-09 23:59:05,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/1) ... [2022-02-09 23:59:05,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/1) ... [2022-02-09 23:59:05,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 23:59:05,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 23:59:05,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 23:59:05,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 23:59:05,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/1) ... [2022-02-09 23:59:05,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 23:59:05,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:59:05,814 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) [2022-02-09 23:59:05,833 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 [2022-02-09 23:59:05,843 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 23:59:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 23:59:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 23:59:05,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 23:59:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 23:59:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 23:59:05,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 23:59:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 23:59:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 23:59:05,844 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 23:59:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 23:59:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 23:59:05,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-09 23:59:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-09 23:59:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-09 23:59:05,847 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 23:59:05,881 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 23:59:05,882 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 23:59:05,955 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 23:59:05,969 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 23:59:05,969 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 23:59:05,971 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:59:05 BoogieIcfgContainer [2022-02-09 23:59:05,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 23:59:05,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 23:59:05,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 23:59:05,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 23:59:05,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:59:05" (1/2) ... [2022-02-09 23:59:05,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a002c7 and model type counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 11:59:05, skipping insertion in model container [2022-02-09 23:59:05,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:59:05" (2/2) ... [2022-02-09 23:59:05,976 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-determinism.wvr.bpl [2022-02-09 23:59:05,979 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 23:59:05,979 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 23:59:05,979 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 23:59:05,979 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 23:59:06,010 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-09 23:59:06,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 23:59:06,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:59:06,040 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) [2022-02-09 23:59:06,063 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 [2022-02-09 23:59:06,076 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 23:59:06,081 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 [2022-02-09 23:59:06,081 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-09 23:59:06,254 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4532 transitions and produced 1565 states. [2022-02-09 23:59:06,256 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 23:59:06,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:59:06,260 INFO L85 PathProgramCache]: Analyzing trace with hash -80759785, now seen corresponding path program 1 times [2022-02-09 23:59:06,266 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:59:06,266 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548774463] [2022-02-09 23:59:06,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:59:06,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:59:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:59:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 532 proven. 477 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-02-09 23:59:06,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:59:06,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548774463] [2022-02-09 23:59:06,820 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548774463] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:59:06,820 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051111520] [2022-02-09 23:59:06,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:59:06,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:59:06,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:59:06,828 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) [2022-02-09 23:59:06,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 23:59:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:59:06,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-09 23:59:06,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:59:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 555 proven. 551 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-02-09 23:59:08,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:59:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 1046 proven. 48 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-02-09 23:59:08,791 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051111520] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:59:08,791 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:59:08,792 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 34, 22] total 70 [2022-02-09 23:59:08,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749548827] [2022-02-09 23:59:08,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:59:08,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-02-09 23:59:08,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:59:08,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-02-09 23:59:08,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=955, Invalid=3875, Unknown=0, NotChecked=0, Total=4830 [2022-02-09 23:59:08,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:59:08,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:59:08,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 3.9714285714285715) internal successors, (278), 70 states have internal predecessors, (278), 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) [2022-02-09 23:59:08,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:59:32,609 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 93517 transitions and produced 22879 states. [2022-02-09 23:59:32,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 23:59:32,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 23:59:32,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-09 23:59:32,810 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 23:59:32,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:59:32,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1638743751, now seen corresponding path program 2 times [2022-02-09 23:59:32,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:59:32,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805649532] [2022-02-09 23:59:32,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:59:32,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:59:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:59:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 1373 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 23:59:34,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:59:34,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805649532] [2022-02-09 23:59:34,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805649532] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:59:34,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927800458] [2022-02-09 23:59:34,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 23:59:34,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:59:34,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:59:34,825 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) [2022-02-09 23:59:34,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 23:59:34,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 23:59:34,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:59:34,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-09 23:59:34,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:59:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 484 proven. 49 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-02-09 23:59:36,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:59:37,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 529 proven. 4 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-02-09 23:59:37,969 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927800458] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:59:37,969 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:59:37,969 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 29, 29] total 126 [2022-02-09 23:59:37,969 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215075468] [2022-02-09 23:59:37,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:59:37,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2022-02-09 23:59:37,971 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:59:37,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2022-02-09 23:59:37,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2333, Invalid=13669, Unknown=0, NotChecked=0, Total=16002 [2022-02-09 23:59:37,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:59:37,976 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:59:37,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 2.251968503937008) internal successors, (286), 126 states have internal predecessors, (286), 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) [2022-02-09 23:59:37,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 23:59:37,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:59:41,462 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 93595 transitions and produced 22930 states. [2022-02-09 23:59:41,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 23:59:41,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 23:59:41,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 23:59:41,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:59:41,663 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 23:59:41,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:59:41,664 INFO L85 PathProgramCache]: Analyzing trace with hash 664141637, now seen corresponding path program 3 times [2022-02-09 23:59:41,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:59:41,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423240903] [2022-02-09 23:59:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:59:41,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:59:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:59:41,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 399 proven. 64 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2022-02-09 23:59:41,864 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:59:41,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423240903] [2022-02-09 23:59:41,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423240903] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:59:41,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999603512] [2022-02-09 23:59:41,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 23:59:41,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:59:41,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:59:41,868 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) [2022-02-09 23:59:41,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 23:59:41,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-02-09 23:59:41,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:59:41,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-09 23:59:41,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:59:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 399 proven. 64 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2022-02-09 23:59:42,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:59:42,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 399 proven. 64 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2022-02-09 23:59:42,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999603512] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:59:42,919 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:59:42,920 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 39 [2022-02-09 23:59:42,920 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813276697] [2022-02-09 23:59:42,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:59:42,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-09 23:59:42,920 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:59:42,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-09 23:59:42,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=1172, Unknown=0, NotChecked=0, Total=1482 [2022-02-09 23:59:42,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:59:42,921 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:59:42,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.2051282051282053) internal successors, (125), 39 states have internal predecessors, (125), 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) [2022-02-09 23:59:42,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 23:59:42,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 23:59:42,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:59:43,185 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 862 transitions and produced 679 states. [2022-02-09 23:59:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 23:59:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 23:59:43,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 23:59:43,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-09 23:59:43,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:59:43,388 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 23:59:43,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:59:43,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1959790969, now seen corresponding path program 4 times [2022-02-09 23:59:43,389 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:59:43,389 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992102155] [2022-02-09 23:59:43,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:59:43,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:59:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:59:45,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1591 backedges. 1429 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-09 23:59:45,018 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:59:45,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992102155] [2022-02-09 23:59:45,018 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992102155] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:59:45,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431622919] [2022-02-09 23:59:45,018 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 23:59:45,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:59:45,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:59:45,019 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) [2022-02-09 23:59:45,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 23:59:45,081 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 23:59:45,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:59:45,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 36 conjunts are in the unsatisfiable core [2022-02-09 23:59:45,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:59:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1591 backedges. 484 proven. 126 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-02-09 23:59:46,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 23:59:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1591 backedges. 529 proven. 81 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-02-09 23:59:48,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431622919] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 23:59:48,651 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 23:59:48,651 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 36, 36] total 136 [2022-02-09 23:59:48,651 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105236902] [2022-02-09 23:59:48,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 23:59:48,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-02-09 23:59:48,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 23:59:48,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-02-09 23:59:48,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2580, Invalid=16052, Unknown=0, NotChecked=0, Total=18632 [2022-02-09 23:59:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:59:48,656 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 23:59:48,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 2.291970802919708) internal successors, (314), 136 states have internal predecessors, (314), 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) [2022-02-09 23:59:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 23:59:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 23:59:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 23:59:48,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 23:59:54,750 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1004 transitions and produced 766 states. [2022-02-09 23:59:54,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 23:59:54,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 23:59:54,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 23:59:54,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-09 23:59:54,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 23:59:54,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:59:54,951 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 23:59:54,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 23:59:54,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1664968029, now seen corresponding path program 5 times [2022-02-09 23:59:54,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 23:59:54,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930000549] [2022-02-09 23:59:54,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 23:59:54,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 23:59:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 23:59:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1910 backedges. 1429 proven. 445 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-09 23:59:56,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 23:59:56,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930000549] [2022-02-09 23:59:56,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930000549] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 23:59:56,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762265884] [2022-02-09 23:59:56,953 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 23:59:56,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 23:59:56,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 23:59:56,954 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 23:59:56,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 23:59:57,030 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2022-02-09 23:59:57,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 23:59:57,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 54 conjunts are in the unsatisfiable core [2022-02-09 23:59:57,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 23:59:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1910 backedges. 945 proven. 400 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-02-09 23:59:59,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:00:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1910 backedges. 945 proven. 400 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-02-10 00:00:03,162 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762265884] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:00:03,162 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:00:03,162 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 55, 55] total 185 [2022-02-10 00:00:03,162 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875269505] [2022-02-10 00:00:03,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:00:03,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2022-02-10 00:00:03,163 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:00:03,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2022-02-10 00:00:03,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6642, Invalid=27398, Unknown=0, NotChecked=0, Total=34040 [2022-02-10 00:00:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:00:03,169 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:00:03,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 2.281081081081081) internal successors, (422), 185 states have internal predecessors, (422), 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) [2022-02-10 00:00:03,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:00:03,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-10 00:00:03,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:00:03,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-10 00:00:03,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:00:12,138 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1134 transitions and produced 848 states. [2022-02-10 00:00:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:00:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-10 00:00:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:00:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-10 00:00:12,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-02-10 00:00:12,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-10 00:00:12,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:00:12,356 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:00:12,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:00:12,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1034212209, now seen corresponding path program 6 times [2022-02-10 00:00:12,356 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:00:12,356 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386954699] [2022-02-10 00:00:12,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:00:12,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:00:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:00:12,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2410 backedges. 864 proven. 529 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-02-10 00:00:12,645 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:00:12,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386954699] [2022-02-10 00:00:12,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386954699] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:00:12,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956478758] [2022-02-10 00:00:12,646 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-10 00:00:12,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:00:12,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:00:12,648 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:00:12,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-10 00:00:12,742 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2022-02-10 00:00:12,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:00:12,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 36 conjunts are in the unsatisfiable core [2022-02-10 00:00:12,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:00:14,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2410 backedges. 484 proven. 489 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2022-02-10 00:00:14,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:00:16,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2410 backedges. 574 proven. 399 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2022-02-10 00:00:16,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956478758] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:00:16,099 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:00:16,099 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 37, 37] total 96 [2022-02-10 00:00:16,099 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226491553] [2022-02-10 00:00:16,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:00:16,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-02-10 00:00:16,100 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:00:16,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-02-10 00:00:16,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1994, Invalid=7126, Unknown=0, NotChecked=0, Total=9120 [2022-02-10 00:00:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:00:16,101 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:00:16,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 3.1875) internal successors, (306), 96 states have internal predecessors, (306), 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) [2022-02-10 00:00:16,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:00:16,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-10 00:00:16,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:00:16,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-10 00:00:16,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-02-10 00:00:16,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:00:24,976 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1257 transitions and produced 947 states. [2022-02-10 00:00:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:00:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:00:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:00:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:00:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:00:24,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:00:24,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-10 00:00:25,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:00:25,178 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:00:25,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:00:25,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1059256883, now seen corresponding path program 7 times [2022-02-10 00:00:25,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:00:25,179 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418454815] [2022-02-10 00:00:25,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:00:25,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:00:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:00:25,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 891 proven. 788 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2022-02-10 00:00:25,553 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:00:25,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418454815] [2022-02-10 00:00:25,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418454815] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:00:25,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028258817] [2022-02-10 00:00:25,554 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-10 00:00:25,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:00:25,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:00:25,558 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:00:25,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-10 00:00:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:00:25,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-10 00:00:25,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:00:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 891 proven. 788 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2022-02-10 00:00:25,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:00:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 891 proven. 788 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2022-02-10 00:00:26,317 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028258817] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:00:26,317 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:00:26,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 30 [2022-02-10 00:00:26,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076557225] [2022-02-10 00:00:26,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:00:26,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-10 00:00:26,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:00:26,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-10 00:00:26,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2022-02-10 00:00:26,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:00:26,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:00:26,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.7) internal successors, (141), 30 states have internal predecessors, (141), 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) [2022-02-10 00:00:26,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:00:26,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:00:26,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:00:26,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:00:26,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:00:26,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:00:26,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:00:26,406 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1317 transitions and produced 983 states. [2022-02-10 00:00:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:00:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:00:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:00:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:00:26,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:00:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:00:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:00:26,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-10 00:00:26,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-10 00:00:26,608 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:00:26,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:00:26,608 INFO L85 PathProgramCache]: Analyzing trace with hash 285344213, now seen corresponding path program 8 times [2022-02-10 00:00:26,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:00:26,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740203734] [2022-02-10 00:00:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:00:26,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:00:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:00:27,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3224 backedges. 961 proven. 840 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2022-02-10 00:00:27,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:00:27,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740203734] [2022-02-10 00:00:27,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740203734] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:00:27,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537143947] [2022-02-10 00:00:27,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 00:00:27,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:00:27,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:00:27,864 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:00:27,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-10 00:00:27,961 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 00:00:27,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:00:27,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 66 conjunts are in the unsatisfiable core [2022-02-10 00:00:27,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:00:30,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3224 backedges. 790 proven. 1134 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2022-02-10 00:00:30,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:00:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3224 backedges. 796 proven. 1128 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2022-02-10 00:00:34,559 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537143947] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:00:34,559 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:00:34,559 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 66, 66] total 186 [2022-02-10 00:00:34,560 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498741630] [2022-02-10 00:00:34,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:00:34,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 187 states [2022-02-10 00:00:34,560 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:00:34,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2022-02-10 00:00:34,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4091, Invalid=30691, Unknown=0, NotChecked=0, Total=34782 [2022-02-10 00:00:34,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:00:34,565 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:00:34,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 187 states, 187 states have (on average 2.267379679144385) internal successors, (424), 186 states have internal predecessors, (424), 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) [2022-02-10 00:00:34,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:00:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:00:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:00:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:00:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:00:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:00:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:00:34,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:00:47,932 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1410 transitions and produced 1053 states. [2022-02-10 00:00:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:00:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:00:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:00:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:00:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:00:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:00:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:00:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:00:47,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-10 00:00:48,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:00:48,134 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:00:48,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:00:48,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1471872203, now seen corresponding path program 9 times [2022-02-10 00:00:48,135 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:00:48,135 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476545276] [2022-02-10 00:00:48,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:00:48,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:00:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:00:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3972 backedges. 999 proven. 912 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-02-10 00:00:48,539 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:00:48,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476545276] [2022-02-10 00:00:48,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476545276] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:00:48,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839370470] [2022-02-10 00:00:48,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 00:00:48,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:00:48,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:00:48,552 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:00:48,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-10 00:00:48,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2022-02-10 00:00:48,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:00:48,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 66 conjunts are in the unsatisfiable core [2022-02-10 00:00:48,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:00:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3972 backedges. 847 proven. 1077 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2022-02-10 00:00:51,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:00:55,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3972 backedges. 1018 proven. 906 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2022-02-10 00:00:55,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839370470] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:00:55,197 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:00:55,197 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 67, 67] total 160 [2022-02-10 00:00:55,197 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610448902] [2022-02-10 00:00:55,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:00:55,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2022-02-10 00:00:55,198 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:00:55,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2022-02-10 00:00:55,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5226, Invalid=20214, Unknown=0, NotChecked=0, Total=25440 [2022-02-10 00:00:55,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:00:55,200 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:00:55,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 2.64375) internal successors, (423), 160 states have internal predecessors, (423), 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) [2022-02-10 00:00:55,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:00:55,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:00:55,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:00:55,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:00:55,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:00:55,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:00:55,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:00:55,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:00:55,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:00:58,134 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1441 transitions and produced 1079 states. [2022-02-10 00:00:58,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:00:58,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:00:58,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:00:58,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:00:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:00:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:00:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:00:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:00:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:00:58,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-10 00:00:58,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-10 00:00:58,336 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:00:58,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:00:58,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1171873597, now seen corresponding path program 10 times [2022-02-10 00:00:58,336 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:00:58,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579276667] [2022-02-10 00:00:58,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:00:58,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:00:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:00:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4228 backedges. 1339 proven. 1024 refuted. 0 times theorem prover too weak. 1865 trivial. 0 not checked. [2022-02-10 00:00:59,599 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:00:59,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579276667] [2022-02-10 00:00:59,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579276667] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:00:59,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454711204] [2022-02-10 00:00:59,600 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-10 00:00:59,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:00:59,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:00:59,601 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:00:59,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-10 00:00:59,703 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-10 00:00:59,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:00:59,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 68 conjunts are in the unsatisfiable core [2022-02-10 00:00:59,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:01:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4228 backedges. 1278 proven. 1024 refuted. 0 times theorem prover too weak. 1926 trivial. 0 not checked. [2022-02-10 00:01:02,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:01:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4228 backedges. 1278 proven. 1024 refuted. 0 times theorem prover too weak. 1926 trivial. 0 not checked. [2022-02-10 00:01:02,887 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454711204] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:01:02,887 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:01:02,887 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 68, 68] total 135 [2022-02-10 00:01:02,887 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705282564] [2022-02-10 00:01:02,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:01:02,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2022-02-10 00:01:02,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:01:02,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2022-02-10 00:01:02,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3537, Invalid=14823, Unknown=0, NotChecked=0, Total=18360 [2022-02-10 00:01:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:01:02,890 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:01:02,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 2.323529411764706) internal successors, (316), 135 states have internal predecessors, (316), 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) [2022-02-10 00:01:02,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:01:02,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:01:02,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:01:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:01:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:01:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:01:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:01:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:01:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:01:02,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:01:04,456 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1521 transitions and produced 1137 states. [2022-02-10 00:01:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:01:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:01:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:01:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:01:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:01:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:01:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:01:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:01:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:01:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:01:04,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-10 00:01:04,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-10 00:01:04,664 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:01:04,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:01:04,664 INFO L85 PathProgramCache]: Analyzing trace with hash -309122877, now seen corresponding path program 11 times [2022-02-10 00:01:04,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:01:04,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472529081] [2022-02-10 00:01:04,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:01:04,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:01:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:01:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 4573 backedges. 2629 proven. 1099 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2022-02-10 00:01:08,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:01:08,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472529081] [2022-02-10 00:01:08,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472529081] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:01:08,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903434094] [2022-02-10 00:01:08,136 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-10 00:01:08,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:01:08,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:01:08,137 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:01:08,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-10 00:01:08,261 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 38 check-sat command(s) [2022-02-10 00:01:08,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:01:08,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 73 conjunts are in the unsatisfiable core [2022-02-10 00:01:08,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:01:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4573 backedges. 1095 proven. 1298 refuted. 0 times theorem prover too weak. 2180 trivial. 0 not checked. [2022-02-10 00:01:12,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:01:18,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4573 backedges. 1101 proven. 1292 refuted. 0 times theorem prover too weak. 2180 trivial. 0 not checked. [2022-02-10 00:01:18,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903434094] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:01:18,447 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:01:18,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 73, 73] total 248 [2022-02-10 00:01:18,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158959955] [2022-02-10 00:01:18,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:01:18,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 249 states [2022-02-10 00:01:18,448 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:01:18,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2022-02-10 00:01:18,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6198, Invalid=55554, Unknown=0, NotChecked=0, Total=61752 [2022-02-10 00:01:18,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:01:18,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:01:18,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 249 states, 249 states have (on average 2.1686746987951806) internal successors, (540), 248 states have internal predecessors, (540), 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) [2022-02-10 00:01:18,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:01:18,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:01:18,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:01:18,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:01:18,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:01:18,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:01:18,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:01:18,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:01:18,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:01:18,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:01:18,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:01:38,914 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1586 transitions and produced 1167 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:01:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2022-02-10 00:01:38,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-02-10 00:01:39,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-10 00:01:39,115 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:01:39,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:01:39,116 INFO L85 PathProgramCache]: Analyzing trace with hash 107684561, now seen corresponding path program 12 times [2022-02-10 00:01:39,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:01:39,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831067355] [2022-02-10 00:01:39,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:01:39,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:01:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:01:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4918 backedges. 2769 proven. 1308 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2022-02-10 00:01:42,977 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:01:42,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831067355] [2022-02-10 00:01:42,977 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831067355] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:01:42,977 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724430574] [2022-02-10 00:01:42,977 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-10 00:01:42,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:01:42,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:01:42,979 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:01:42,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-10 00:01:43,116 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s) [2022-02-10 00:01:43,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:01:43,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 74 conjunts are in the unsatisfiable core [2022-02-10 00:01:43,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:01:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4918 backedges. 1473 proven. 1235 refuted. 0 times theorem prover too weak. 2210 trivial. 0 not checked. [2022-02-10 00:01:48,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:01:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4918 backedges. 1473 proven. 1235 refuted. 0 times theorem prover too weak. 2210 trivial. 0 not checked. [2022-02-10 00:01:54,004 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724430574] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:01:54,004 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:01:54,004 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 74, 74] total 258 [2022-02-10 00:01:54,004 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044511002] [2022-02-10 00:01:54,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:01:54,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 259 states [2022-02-10 00:01:54,005 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:01:54,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 259 interpolants. [2022-02-10 00:01:54,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7244, Invalid=59578, Unknown=0, NotChecked=0, Total=66822 [2022-02-10 00:01:54,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:01:54,011 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:01:54,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 259 states, 259 states have (on average 2.2393822393822393) internal successors, (580), 258 states have internal predecessors, (580), 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) [2022-02-10 00:01:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:01:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:01:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:01:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:01:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:01:54,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:01:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:01:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:01:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:01:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:01:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2022-02-10 00:01:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:02:16,597 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1676 transitions and produced 1229 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2022-02-10 00:02:16,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-10 00:02:16,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-10 00:02:16,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-10 00:02:16,801 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:02:16,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:02:16,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1140761573, now seen corresponding path program 13 times [2022-02-10 00:02:16,801 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:02:16,801 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236657999] [2022-02-10 00:02:16,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:02:16,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:02:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:02:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 5698 backedges. 1296 proven. 1583 refuted. 0 times theorem prover too weak. 2819 trivial. 0 not checked. [2022-02-10 00:02:18,551 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:02:18,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236657999] [2022-02-10 00:02:18,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236657999] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:02:18,551 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25461055] [2022-02-10 00:02:18,551 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-10 00:02:18,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:02:18,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:02:18,553 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:02:18,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-10 00:02:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:02:18,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 78 conjunts are in the unsatisfiable core [2022-02-10 00:02:18,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:02:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5698 backedges. 1894 proven. 1369 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-02-10 00:02:22,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:02:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5698 backedges. 1894 proven. 1369 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-02-10 00:02:28,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25461055] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:02:28,147 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:02:28,147 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 78, 78] total 227 [2022-02-10 00:02:28,147 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975028303] [2022-02-10 00:02:28,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:02:28,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 228 states [2022-02-10 00:02:28,148 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:02:28,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2022-02-10 00:02:28,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6012, Invalid=45744, Unknown=0, NotChecked=0, Total=51756 [2022-02-10 00:02:28,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:02:28,151 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:02:28,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 228 states, 228 states have (on average 2.232456140350877) internal successors, (509), 227 states have internal predecessors, (509), 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) [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-10 00:02:28,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:02:42,802 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1776 transitions and produced 1310 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-10 00:02:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-02-10 00:02:42,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-02-10 00:02:43,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:02:43,004 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:02:43,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:02:43,005 INFO L85 PathProgramCache]: Analyzing trace with hash 119920181, now seen corresponding path program 14 times [2022-02-10 00:02:43,005 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:02:43,005 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424398199] [2022-02-10 00:02:43,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:02:43,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:02:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:02:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6438 backedges. 3824 proven. 1454 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-02-10 00:02:47,816 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:02:47,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424398199] [2022-02-10 00:02:47,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424398199] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:02:47,817 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110208448] [2022-02-10 00:02:47,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 00:02:47,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:02:47,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:02:47,818 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:02:47,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-10 00:02:47,930 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 00:02:47,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:02:47,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 83 conjunts are in the unsatisfiable core [2022-02-10 00:02:47,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:02:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 6438 backedges. 1450 proven. 1683 refuted. 0 times theorem prover too weak. 3305 trivial. 0 not checked. [2022-02-10 00:02:54,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:03:01,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6438 backedges. 1456 proven. 1677 refuted. 0 times theorem prover too weak. 3305 trivial. 0 not checked. [2022-02-10 00:03:01,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110208448] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:03:01,696 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:03:01,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 83, 83] total 288 [2022-02-10 00:03:01,697 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995419036] [2022-02-10 00:03:01,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:03:01,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 289 states [2022-02-10 00:03:01,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:03:01,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 289 interpolants. [2022-02-10 00:03:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8188, Invalid=75044, Unknown=0, NotChecked=0, Total=83232 [2022-02-10 00:03:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:03:01,704 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:03:01,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 289 states, 289 states have (on average 2.1453287197231834) internal successors, (620), 288 states have internal predecessors, (620), 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) [2022-02-10 00:03:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:03:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:03:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:03:01,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:03:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:03:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:03:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:03:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:03:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:03:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:03:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:03:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-10 00:03:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2022-02-10 00:03:01,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:03:28,088 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1841 transitions and produced 1340 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-02-10 00:03:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:03:28,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-10 00:03:28,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:03:28,292 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:03:28,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:03:28,292 INFO L85 PathProgramCache]: Analyzing trace with hash -248523325, now seen corresponding path program 15 times [2022-02-10 00:03:28,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:03:28,292 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174124410] [2022-02-10 00:03:28,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:03:28,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:03:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:03:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6833 backedges. 1681 proven. 1938 refuted. 0 times theorem prover too weak. 3214 trivial. 0 not checked. [2022-02-10 00:03:30,477 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:03:30,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174124410] [2022-02-10 00:03:30,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174124410] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:03:30,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760335333] [2022-02-10 00:03:30,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 00:03:30,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:03:30,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:03:30,479 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:03:30,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-10 00:03:30,637 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 43 check-sat command(s) [2022-02-10 00:03:30,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:03:30,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 83 conjunts are in the unsatisfiable core [2022-02-10 00:03:30,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:03:35,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6833 backedges. 1681 proven. 1938 refuted. 0 times theorem prover too weak. 3214 trivial. 0 not checked. [2022-02-10 00:03:35,520 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:03:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6833 backedges. 1764 proven. 1855 refuted. 0 times theorem prover too weak. 3214 trivial. 0 not checked. [2022-02-10 00:03:38,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760335333] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:03:38,435 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:03:38,435 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 83, 83] total 213 [2022-02-10 00:03:38,435 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958509687] [2022-02-10 00:03:38,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:03:38,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2022-02-10 00:03:38,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:03:38,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2022-02-10 00:03:38,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=37197, Unknown=0, NotChecked=0, Total=45582 [2022-02-10 00:03:38,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:03:38,440 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:03:38,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 214 states, 214 states have (on average 2.3130841121495327) internal successors, (495), 213 states have internal predecessors, (495), 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) [2022-02-10 00:03:38,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:03:38,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:03:38,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:03:38,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:03:38,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:03:38,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:03:38,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:03:38,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:03:38,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:03:38,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:03:38,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:03:38,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-10 00:03:38,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2022-02-10 00:03:38,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:03:38,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:03:50,205 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1871 transitions and produced 1366 states. [2022-02-10 00:03:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:03:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:03:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-02-10 00:03:50,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-10 00:03:50,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-10 00:03:50,407 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:03:50,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:03:50,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1755909327, now seen corresponding path program 16 times [2022-02-10 00:03:50,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:03:50,408 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050151919] [2022-02-10 00:03:50,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:03:50,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:03:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:03:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7313 backedges. 2098 proven. 2001 refuted. 0 times theorem prover too weak. 3214 trivial. 0 not checked. [2022-02-10 00:03:52,976 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:03:52,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050151919] [2022-02-10 00:03:52,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050151919] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:03:52,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433582995] [2022-02-10 00:03:52,979 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-10 00:03:52,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:03:52,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:03:52,980 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:03:52,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-10 00:03:53,098 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-10 00:03:53,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:03:53,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 88 conjunts are in the unsatisfiable core [2022-02-10 00:03:53,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:03:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7313 backedges. 2102 proven. 1764 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2022-02-10 00:03:58,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:04:05,110 INFO L134 CoverageAnalysis]: Checked inductivity of 7313 backedges. 2102 proven. 1764 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2022-02-10 00:04:05,110 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433582995] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:04:05,110 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:04:05,110 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 88, 88] total 262 [2022-02-10 00:04:05,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181593191] [2022-02-10 00:04:05,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:04:05,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2022-02-10 00:04:05,111 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:04:05,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2022-02-10 00:04:05,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7719, Invalid=61187, Unknown=0, NotChecked=0, Total=68906 [2022-02-10 00:04:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:04:05,117 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:04:05,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 263 states have (on average 2.220532319391635) internal successors, (584), 262 states have internal predecessors, (584), 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) [2022-02-10 00:04:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:04:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:04:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:04:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:04:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:04:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:04:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:04:05,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:04:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:04:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:04:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:04:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-10 00:04:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2022-02-10 00:04:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:04:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-02-10 00:04:05,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:04:18,425 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1946 transitions and produced 1422 states. [2022-02-10 00:04:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:04:18,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 321 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-02-10 00:04:18,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:04:18,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-02-10 00:04:18,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-10 00:04:18,627 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-10 00:04:18,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:04:18,627 INFO L85 PathProgramCache]: Analyzing trace with hash 104908501, now seen corresponding path program 17 times [2022-02-10 00:04:18,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:04:18,627 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050264895] [2022-02-10 00:04:18,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:04:18,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:04:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:04:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 2335 proven. 2112 refuted. 0 times theorem prover too weak. 3311 trivial. 0 not checked. [2022-02-10 00:04:20,765 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:04:20,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050264895] [2022-02-10 00:04:20,765 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050264895] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:04:20,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578557430] [2022-02-10 00:04:20,766 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-10 00:04:20,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:04:20,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:04:20,767 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:04:20,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-10 00:04:20,931 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) [2022-02-10 00:04:20,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:04:20,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 94 conjunts are in the unsatisfiable core [2022-02-10 00:04:20,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:04:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 2359 proven. 2118 refuted. 0 times theorem prover too weak. 3281 trivial. 0 not checked. [2022-02-10 00:04:26,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:04:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 2359 proven. 2118 refuted. 0 times theorem prover too weak. 3281 trivial. 0 not checked. [2022-02-10 00:04:33,142 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578557430] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:04:33,142 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:04:33,142 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 94, 94] total 275 [2022-02-10 00:04:33,142 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227514442] [2022-02-10 00:04:33,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:04:33,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 275 states [2022-02-10 00:04:33,143 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:04:33,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 275 interpolants. [2022-02-10 00:04:33,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8931, Invalid=66419, Unknown=0, NotChecked=0, Total=75350 [2022-02-10 00:04:33,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:04:33,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:04:33,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 275 states, 275 states have (on average 2.272727272727273) internal successors, (625), 275 states have internal predecessors, (625), 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) [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 321 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:04:33,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-10 00:10:40,485 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 [2022-02-10 00:10:40,485 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 [2022-02-10 00:10:40,485 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-10 00:10:40,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-10 00:10:40,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-10 00:10:40,703 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1850 known predicates. [2022-02-10 00:10:40,705 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-10 00:10:40,706 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-10 00:10:40,706 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-10 00:10:40,706 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-10 00:10:40,706 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-10 00:10:40,711 INFO L732 BasicCegarLoop]: Path program histogram: [17] [2022-02-10 00:10:40,713 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 00:10:40,713 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 00:10:40,715 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 12:10:40 BasicIcfg [2022-02-10 00:10:40,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 00:10:40,715 INFO L158 Benchmark]: Toolchain (without parser) took 694966.33ms. Allocated memory was 195.0MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 157.9MB in the beginning and 4.5GB in the end (delta: -4.3GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-02-10 00:10:40,715 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 159.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 00:10:40,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.46ms. Allocated memory is still 195.0MB. Free memory was 157.8MB in the beginning and 156.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 00:10:40,716 INFO L158 Benchmark]: Boogie Preprocessor took 18.49ms. Allocated memory is still 195.0MB. Free memory was 156.3MB in the beginning and 155.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 00:10:40,716 INFO L158 Benchmark]: RCFGBuilder took 182.39ms. Allocated memory is still 195.0MB. Free memory was 155.3MB in the beginning and 145.5MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-10 00:10:40,716 INFO L158 Benchmark]: TraceAbstraction took 694743.11ms. Allocated memory was 195.0MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 145.0MB in the beginning and 4.5GB in the end (delta: -4.3GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-02-10 00:10:40,717 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 0.10ms. Allocated memory is still 195.0MB. Free memory is still 159.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.46ms. Allocated memory is still 195.0MB. Free memory was 157.8MB in the beginning and 156.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.49ms. Allocated memory is still 195.0MB. Free memory was 156.3MB in the beginning and 155.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 182.39ms. Allocated memory is still 195.0MB. Free memory was 155.3MB in the beginning and 145.5MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 694743.11ms. Allocated memory was 195.0MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 145.0MB in the beginning and 4.5GB in the end (delta: -4.3GB). Peak memory consumption was 3.3GB. 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: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1850 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 PredicateComparison was comparing new predicate (quantifier-free) to 1850 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 PredicateComparison was comparing new predicate (quantifier-free) to 1850 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 PredicateComparison was comparing new predicate (quantifier-free) to 1850 known predicates. - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1850 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 694.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 546.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5161, 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: 0.3s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 141.8s InterpolantComputationTime, 8894 NumberOfCodeBlocks, 8818 NumberOfCodeBlocksAsserted, 301 NumberOfCheckSat, 13290 ConstructedInterpolants, 0 QuantifiedInterpolants, 87985 SizeOfPredicates, 98 NumberOfNonLiveVariables, 11874 ConjunctsInSsa, 1040 ConjunctsInUnsatCore, 51 InterpolantComputations, 0 PerfectInterpolantSequences, 154233/204333 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