/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 23:18:54,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 23:18:54,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 23:18:54,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 23:18:54,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 23:18:54,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 23:18:54,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 23:18:54,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 23:18:54,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 23:18:54,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 23:18:54,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 23:18:54,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 23:18:54,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 23:18:54,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 23:18:54,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 23:18:54,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 23:18:54,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 23:18:54,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 23:18:54,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 23:18:54,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 23:18:54,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 23:18:54,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 23:18:54,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 23:18:54,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 23:18:54,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 23:18:54,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 23:18:54,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 23:18:54,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 23:18:54,773 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-wrwc.epf [2022-02-19 23:18:54,791 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 23:18:54,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 23:18:54,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 23:18:54,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 23:18:54,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 23:18:54,792 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 23:18:54,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 23:18:54,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 23:18:54,793 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 23:18:54,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 23:18:54,793 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 23:18:54,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 23:18:54,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 23:18:54,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 23:18:54,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 23:18:54,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 23:18:54,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 23:18:54,794 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 23:18:54,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 23:18:54,794 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 23:18:54,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 23:18:54,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 23:18:54,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 23:18:54,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 23:18:54,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 23:18:54,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 23:18:54,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 23:18:54,796 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 23:18:54,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 23:18:54,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 23:18:54,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 23:18:54,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 23:18:54,796 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 23:18:54,796 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 23:18:54,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 23:18:54,797 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 23:18:54,797 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 23:18:54,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 23:18:55,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 23:18:55,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 23:18:55,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 23:18:55,023 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 23:18:55,024 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 23:18:55,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl [2022-02-19 23:18:55,025 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl' [2022-02-19 23:18:55,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 23:18:55,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 23:18:55,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 23:18:55,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 23:18:55,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 23:18:55,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/1) ... [2022-02-19 23:18:55,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/1) ... [2022-02-19 23:18:55,082 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 23:18:55,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 23:18:55,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 23:18:55,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 23:18:55,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 23:18:55,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/1) ... [2022-02-19 23:18:55,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/1) ... [2022-02-19 23:18:55,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/1) ... [2022-02-19 23:18:55,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/1) ... [2022-02-19 23:18:55,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/1) ... [2022-02-19 23:18:55,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/1) ... [2022-02-19 23:18:55,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/1) ... [2022-02-19 23:18:55,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 23:18:55,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 23:18:55,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 23:18:55,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 23:18:55,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/1) ... [2022-02-19 23:18:55,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 23:18:55,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:18:55,144 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) [2022-02-19 23:18:55,167 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 [2022-02-19 23:18:55,186 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 23:18:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 23:18:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 23:18:55,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 23:18:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 23:18:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 23:18:55,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 23:18:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 23:18:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 23:18:55,188 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 23:18:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 23:18:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 23:18:55,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-19 23:18:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-19 23:18:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-19 23:18:55,193 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 23:18:55,236 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 23:18:55,237 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 23:18:55,316 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 23:18:55,332 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 23:18:55,332 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 23:18:55,335 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:18:55 BoogieIcfgContainer [2022-02-19 23:18:55,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 23:18:55,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 23:18:55,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 23:18:55,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 23:18:55,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:18:55" (1/2) ... [2022-02-19 23:18:55,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367dba57 and model type buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:18:55, skipping insertion in model container [2022-02-19 23:18:55,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:18:55" (2/2) ... [2022-02-19 23:18:55,341 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series-array.wvr.bpl [2022-02-19 23:18:55,345 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 23:18:55,345 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 23:18:55,345 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 23:18:55,345 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 23:18:55,394 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-19 23:18:55,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 23:18:55,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:18:55,430 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) [2022-02-19 23:18:55,447 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 [2022-02-19 23:18:55,499 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 23:18:55,504 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 23:18:55,504 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-19 23:18:56,044 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 550 transitions and produced 476 states. [2022-02-19 23:18:56,046 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:18:56,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:18:56,053 INFO L85 PathProgramCache]: Analyzing trace with hash 544937668, now seen corresponding path program 1 times [2022-02-19 23:18:56,062 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:18:56,062 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427336149] [2022-02-19 23:18:56,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:18:56,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:18:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:18:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 232 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-19 23:18:56,992 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:18:56,992 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427336149] [2022-02-19 23:18:56,993 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427336149] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:18:56,994 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088493097] [2022-02-19 23:18:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:18:56,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:18:56,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:18:56,999 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) [2022-02-19 23:18:57,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 23:18:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:18:57,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-19 23:18:57,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:18:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 360 proven. 4 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-02-19 23:18:57,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:18:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 360 proven. 4 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-02-19 23:18:57,960 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088493097] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:18:57,961 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:18:57,961 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 12, 12] total 41 [2022-02-19 23:18:57,964 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373999692] [2022-02-19 23:18:57,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:18:57,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-19 23:18:57,974 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:18:57,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-19 23:18:58,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=1366, Unknown=0, NotChecked=0, Total=1722 [2022-02-19 23:18:58,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:18:58,004 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:18:58,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 4.595238095238095) internal successors, (193), 41 states have internal predecessors, (193), 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) [2022-02-19 23:18:58,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:18:59,183 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1045 transitions and produced 875 states. [2022-02-19 23:18:59,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 23:18:59,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 23:18:59,391 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 [2022-02-19 23:18:59,392 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:18:59,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:18:59,393 INFO L85 PathProgramCache]: Analyzing trace with hash -897615446, now seen corresponding path program 2 times [2022-02-19 23:18:59,393 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:18:59,393 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594288766] [2022-02-19 23:18:59,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:18:59,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:18:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:19:01,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 374 proven. 1370 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-02-19 23:19:01,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:19:01,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594288766] [2022-02-19 23:19:01,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594288766] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:19:01,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819877574] [2022-02-19 23:19:01,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 23:19:01,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:19:01,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:19:01,671 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) [2022-02-19 23:19:01,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 23:19:01,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 23:19:01,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:19:01,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-19 23:19:01,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:19:03,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 1143 proven. 515 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-02-19 23:19:03,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:19:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1794 backedges. 1143 proven. 515 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-02-19 23:19:03,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819877574] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:19:03,800 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:19:03,800 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 23, 23] total 100 [2022-02-19 23:19:03,800 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254862021] [2022-02-19 23:19:03,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:19:03,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-02-19 23:19:03,802 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:19:03,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-02-19 23:19:03,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=8872, Unknown=0, NotChecked=0, Total=10100 [2022-02-19 23:19:03,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:19:03,807 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:19:03,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.3267326732673266) internal successors, (336), 100 states have internal predecessors, (336), 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) [2022-02-19 23:19:03,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 23:19:03,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:19:10,994 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1364 transitions and produced 1135 states. [2022-02-19 23:19:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-02-19 23:19:10,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2022-02-19 23:19:11,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 23:19:11,195 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 [2022-02-19 23:19:11,196 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:19:11,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:19:11,196 INFO L85 PathProgramCache]: Analyzing trace with hash 460457942, now seen corresponding path program 3 times [2022-02-19 23:19:11,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:19:11,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824317706] [2022-02-19 23:19:11,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:19:11,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:19:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:19:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3098 backedges. 1843 proven. 1119 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-02-19 23:19:11,874 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:19:11,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824317706] [2022-02-19 23:19:11,875 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824317706] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:19:11,875 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198383366] [2022-02-19 23:19:11,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 23:19:11,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:19:11,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:19:11,877 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) [2022-02-19 23:19:11,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 23:19:11,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-02-19 23:19:11,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:19:11,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-19 23:19:11,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:19:12,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3098 backedges. 338 proven. 4 refuted. 0 times theorem prover too weak. 2756 trivial. 0 not checked. [2022-02-19 23:19:12,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:19:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3098 backedges. 338 proven. 4 refuted. 0 times theorem prover too weak. 2756 trivial. 0 not checked. [2022-02-19 23:19:12,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198383366] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:19:12,659 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:19:12,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 7, 7] total 39 [2022-02-19 23:19:12,660 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490582560] [2022-02-19 23:19:12,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:19:12,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-19 23:19:12,660 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:19:12,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-19 23:19:12,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=957, Unknown=0, NotChecked=0, Total=1482 [2022-02-19 23:19:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:19:12,662 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:19:12,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 6.076923076923077) internal successors, (237), 39 states have internal predecessors, (237), 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) [2022-02-19 23:19:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-02-19 23:19:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2022-02-19 23:19:12,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:19:15,234 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1651 transitions and produced 1346 states. [2022-02-19 23:19:15,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:19:15,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:19:15,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:19:15,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-19 23:19:15,443 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 [2022-02-19 23:19:15,443 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:19:15,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:19:15,444 INFO L85 PathProgramCache]: Analyzing trace with hash 89764035, now seen corresponding path program 4 times [2022-02-19 23:19:15,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:19:15,444 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070148288] [2022-02-19 23:19:15,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:19:15,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:19:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:19:16,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4572 backedges. 2622 proven. 1782 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-02-19 23:19:16,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:19:16,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070148288] [2022-02-19 23:19:16,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070148288] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:19:16,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848082804] [2022-02-19 23:19:16,222 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 23:19:16,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:19:16,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:19:16,223 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) [2022-02-19 23:19:16,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 23:19:16,362 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 23:19:16,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:19:16,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-19 23:19:16,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:19:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4572 backedges. 2701 proven. 1703 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-02-19 23:19:16,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:19:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4572 backedges. 2701 proven. 1703 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-02-19 23:19:17,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848082804] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:19:17,503 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:19:17,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 40 [2022-02-19 23:19:17,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709338728] [2022-02-19 23:19:17,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:19:17,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-19 23:19:17,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:19:17,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-19 23:19:17,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=857, Unknown=0, NotChecked=0, Total=1640 [2022-02-19 23:19:17,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:19:17,506 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:19:17,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 5.634146341463414) internal successors, (231), 40 states have internal predecessors, (231), 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) [2022-02-19 23:19:17,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:19:17,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:19:17,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:19:17,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:19:18,445 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1882 transitions and produced 1522 states. [2022-02-19 23:19:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:19:18,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:19:18,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:19:18,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:19:18,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 23:19:18,659 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 [2022-02-19 23:19:18,660 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:19:18,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:19:18,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1667839905, now seen corresponding path program 5 times [2022-02-19 23:19:18,660 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:19:18,660 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717674969] [2022-02-19 23:19:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:19:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:19:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:19:19,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6077 backedges. 3518 proven. 2391 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-02-19 23:19:19,682 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:19:19,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717674969] [2022-02-19 23:19:19,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717674969] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:19:19,682 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220382887] [2022-02-19 23:19:19,682 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 23:19:19,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:19:19,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:19:19,684 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) [2022-02-19 23:19:19,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 23:19:19,959 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) [2022-02-19 23:19:19,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:19:19,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 70 conjunts are in the unsatisfiable core [2022-02-19 23:19:19,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:19:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6077 backedges. 2194 proven. 2492 refuted. 0 times theorem prover too weak. 1391 trivial. 0 not checked. [2022-02-19 23:19:23,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:19:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 6077 backedges. 3172 proven. 1502 refuted. 0 times theorem prover too weak. 1403 trivial. 0 not checked. [2022-02-19 23:19:26,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220382887] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:19:26,564 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:19:26,564 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 69, 61] total 174 [2022-02-19 23:19:26,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207837205] [2022-02-19 23:19:26,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:19:26,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2022-02-19 23:19:26,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:19:26,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2022-02-19 23:19:26,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5572, Invalid=24878, Unknown=0, NotChecked=0, Total=30450 [2022-02-19 23:19:26,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:19:26,573 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:19:26,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 4.097142857142857) internal successors, (717), 174 states have internal predecessors, (717), 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) [2022-02-19 23:19:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:19:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:19:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:19:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:19:26,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:19:41,605 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3069 transitions and produced 2349 states. [2022-02-19 23:19:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:19:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:19:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:19:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:19:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2022-02-19 23:19:41,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-19 23:19:41,815 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 [2022-02-19 23:19:41,816 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:19:41,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:19:41,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1678253178, now seen corresponding path program 6 times [2022-02-19 23:19:41,816 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:19:41,816 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484294405] [2022-02-19 23:19:41,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:19:41,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:19:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:19:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 17708 backedges. 9114 proven. 3290 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2022-02-19 23:19:44,509 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:19:44,509 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484294405] [2022-02-19 23:19:44,509 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484294405] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:19:44,509 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573244077] [2022-02-19 23:19:44,509 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 23:19:44,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:19:44,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:19:44,510 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) [2022-02-19 23:19:44,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 23:19:45,733 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 97 check-sat command(s) [2022-02-19 23:19:45,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:19:45,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-19 23:19:45,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:19:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 17708 backedges. 6977 proven. 22 refuted. 0 times theorem prover too weak. 10709 trivial. 0 not checked. [2022-02-19 23:19:47,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:19:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 17708 backedges. 6977 proven. 22 refuted. 0 times theorem prover too weak. 10709 trivial. 0 not checked. [2022-02-19 23:19:49,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1573244077] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:19:49,251 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:19:49,251 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 32, 32] total 152 [2022-02-19 23:19:49,251 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777848601] [2022-02-19 23:19:49,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:19:49,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 152 states [2022-02-19 23:19:49,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:19:49,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2022-02-19 23:19:49,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5163, Invalid=17789, Unknown=0, NotChecked=0, Total=22952 [2022-02-19 23:19:49,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:19:49,261 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:19:49,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 152 states, 152 states have (on average 3.1578947368421053) internal successors, (480), 152 states have internal predecessors, (480), 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) [2022-02-19 23:19:49,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:19:49,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:19:49,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:19:49,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:19:49,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 313 states. [2022-02-19 23:19:49,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:19:59,549 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3739 transitions and produced 2716 states. [2022-02-19 23:19:59,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:19:59,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:19:59,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:19:59,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:19:59,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 401 states. [2022-02-19 23:19:59,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:19:59,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-19 23:19:59,751 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 [2022-02-19 23:19:59,752 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:19:59,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:19:59,752 INFO L85 PathProgramCache]: Analyzing trace with hash -105501859, now seen corresponding path program 7 times [2022-02-19 23:19:59,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:19:59,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531493114] [2022-02-19 23:19:59,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:19:59,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:20:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:20:15,357 INFO L134 CoverageAnalysis]: Checked inductivity of 28419 backedges. 6992 proven. 18063 refuted. 0 times theorem prover too weak. 3364 trivial. 0 not checked. [2022-02-19 23:20:15,358 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:20:15,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531493114] [2022-02-19 23:20:15,358 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531493114] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:20:15,358 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469097945] [2022-02-19 23:20:15,358 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 23:20:15,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:20:15,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:20:15,364 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) [2022-02-19 23:20:15,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 23:20:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:20:15,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 120 conjunts are in the unsatisfiable core [2022-02-19 23:20:15,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:20:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 28419 backedges. 14010 proven. 6701 refuted. 0 times theorem prover too weak. 7708 trivial. 0 not checked. [2022-02-19 23:20:30,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:20:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 28419 backedges. 15285 proven. 5396 refuted. 0 times theorem prover too weak. 7738 trivial. 0 not checked. [2022-02-19 23:20:40,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469097945] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:20:40,424 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:20:40,424 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [255, 119, 61] total 433 [2022-02-19 23:20:40,425 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584508702] [2022-02-19 23:20:40,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:20:40,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 434 states [2022-02-19 23:20:40,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:20:40,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 434 interpolants. [2022-02-19 23:20:40,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=171451, Unknown=0, NotChecked=0, Total=187922 [2022-02-19 23:20:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:20:40,448 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:20:40,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 434 states, 434 states have (on average 2.912442396313364) internal successors, (1264), 433 states have internal predecessors, (1264), 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) [2022-02-19 23:20:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:20:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:20:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:20:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:20:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 401 states. [2022-02-19 23:20:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:20:40,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:21:40,337 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4330 transitions and produced 3092 states. [2022-02-19 23:21:40,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:21:40,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:21:40,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:21:40,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:21:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:21:40,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:21:40,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:21:40,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-02-19 23:21:40,543 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 [2022-02-19 23:21:40,543 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:21:40,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:21:40,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1622858938, now seen corresponding path program 8 times [2022-02-19 23:21:40,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:21:40,544 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178034408] [2022-02-19 23:21:40,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:21:40,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:21:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:21:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 36737 backedges. 18462 proven. 5204 refuted. 0 times theorem prover too weak. 13071 trivial. 0 not checked. [2022-02-19 23:21:44,178 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:21:44,178 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178034408] [2022-02-19 23:21:44,178 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178034408] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:21:44,178 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442831746] [2022-02-19 23:21:44,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 23:21:44,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:21:44,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:21:44,180 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) [2022-02-19 23:21:44,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 23:21:44,445 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 23:21:44,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:21:44,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 2105 conjuncts, 120 conjunts are in the unsatisfiable core [2022-02-19 23:21:44,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:21:45,623 INFO L134 CoverageAnalysis]: Checked inductivity of 36737 backedges. 18499 proven. 5204 refuted. 0 times theorem prover too weak. 13034 trivial. 0 not checked. [2022-02-19 23:21:45,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:21:46,838 INFO L134 CoverageAnalysis]: Checked inductivity of 36737 backedges. 18499 proven. 5204 refuted. 0 times theorem prover too weak. 13034 trivial. 0 not checked. [2022-02-19 23:21:46,838 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442831746] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:21:46,838 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:21:46,839 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [115, 58, 58] total 116 [2022-02-19 23:21:46,839 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663796160] [2022-02-19 23:21:46,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:21:46,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2022-02-19 23:21:46,840 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:21:46,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2022-02-19 23:21:46,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5133, Invalid=8439, Unknown=0, NotChecked=0, Total=13572 [2022-02-19 23:21:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:21:46,844 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:21:46,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 3.700854700854701) internal successors, (433), 116 states have internal predecessors, (433), 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) [2022-02-19 23:21:46,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:21:46,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:21:46,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:21:46,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:21:46,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:21:46,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:21:46,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:21:46,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:21:50,424 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4506 transitions and produced 3196 states. [2022-02-19 23:21:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:21:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:21:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:21:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:21:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:21:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:21:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:21:50,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:21:50,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-19 23:21:50,629 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 [2022-02-19 23:21:50,629 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:21:50,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:21:50,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1176455880, now seen corresponding path program 9 times [2022-02-19 23:21:50,630 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:21:50,630 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118860454] [2022-02-19 23:21:50,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:21:50,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:21:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:21:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 38245 backedges. 19109 proven. 6713 refuted. 0 times theorem prover too weak. 12423 trivial. 0 not checked. [2022-02-19 23:21:55,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:21:55,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118860454] [2022-02-19 23:21:55,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118860454] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:21:55,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595278100] [2022-02-19 23:21:55,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 23:21:55,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:21:55,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:21:55,341 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) [2022-02-19 23:21:55,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 23:21:55,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 34 check-sat command(s) [2022-02-19 23:21:55,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:21:55,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 69 conjunts are in the unsatisfiable core [2022-02-19 23:21:55,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:21:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 38245 backedges. 11160 proven. 922 refuted. 0 times theorem prover too weak. 26163 trivial. 0 not checked. [2022-02-19 23:21:58,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:21:59,379 INFO L134 CoverageAnalysis]: Checked inductivity of 38245 backedges. 11160 proven. 922 refuted. 0 times theorem prover too weak. 26163 trivial. 0 not checked. [2022-02-19 23:21:59,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595278100] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:21:59,379 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:21:59,380 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [131, 34, 34] total 165 [2022-02-19 23:21:59,380 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785080426] [2022-02-19 23:21:59,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:21:59,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2022-02-19 23:21:59,381 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:21:59,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2022-02-19 23:21:59,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7159, Invalid=19901, Unknown=0, NotChecked=0, Total=27060 [2022-02-19 23:21:59,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:21:59,386 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:21:59,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 3.3454545454545452) internal successors, (552), 165 states have internal predecessors, (552), 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) [2022-02-19 23:21:59,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:21:59,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:21:59,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:21:59,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:21:59,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:21:59,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:21:59,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:21:59,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:21:59,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:22:08,156 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4692 transitions and produced 3309 states. [2022-02-19 23:22:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:22:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:22:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:22:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:22:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:22:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:22:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:22:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:22:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:22:08,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-19 23:22:08,357 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 [2022-02-19 23:22:08,357 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:22:08,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:22:08,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1743024964, now seen corresponding path program 10 times [2022-02-19 23:22:08,357 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:22:08,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428891566] [2022-02-19 23:22:08,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:22:08,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:22:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:22:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 40085 backedges. 19613 proven. 8413 refuted. 0 times theorem prover too weak. 12059 trivial. 0 not checked. [2022-02-19 23:22:13,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:22:13,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428891566] [2022-02-19 23:22:13,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428891566] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:22:13,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669554076] [2022-02-19 23:22:13,859 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 23:22:13,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:22:13,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:22:13,860 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) [2022-02-19 23:22:13,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-19 23:22:14,142 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 23:22:14,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:22:14,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 2229 conjuncts, 152 conjunts are in the unsatisfiable core [2022-02-19 23:22:14,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:22:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 40085 backedges. 19634 proven. 8413 refuted. 0 times theorem prover too weak. 12038 trivial. 0 not checked. [2022-02-19 23:22:15,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:22:16,797 INFO L134 CoverageAnalysis]: Checked inductivity of 40085 backedges. 19634 proven. 8413 refuted. 0 times theorem prover too weak. 12038 trivial. 0 not checked. [2022-02-19 23:22:16,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669554076] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:22:16,798 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:22:16,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [147, 74, 74] total 148 [2022-02-19 23:22:16,799 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712588340] [2022-02-19 23:22:16,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:22:16,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2022-02-19 23:22:16,800 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:22:16,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2022-02-19 23:22:16,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8325, Invalid=13727, Unknown=0, NotChecked=0, Total=22052 [2022-02-19 23:22:16,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:22:16,805 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:22:16,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 3.6577181208053693) internal successors, (545), 148 states have internal predecessors, (545), 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) [2022-02-19 23:22:16,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:22:16,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:22:16,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:22:16,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:22:16,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:22:16,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:22:16,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:22:16,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:22:16,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:22:16,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:22:20,073 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4868 transitions and produced 3413 states. [2022-02-19 23:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:22:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:22:20,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-19 23:22:20,279 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 [2022-02-19 23:22:20,279 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:22:20,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:22:20,280 INFO L85 PathProgramCache]: Analyzing trace with hash 287034300, now seen corresponding path program 11 times [2022-02-19 23:22:20,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:22:20,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283031719] [2022-02-19 23:22:20,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:22:20,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:22:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:22:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 41977 backedges. 19989 proven. 10305 refuted. 0 times theorem prover too weak. 11683 trivial. 0 not checked. [2022-02-19 23:22:26,839 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:22:26,839 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283031719] [2022-02-19 23:22:26,839 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283031719] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:22:26,839 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689139385] [2022-02-19 23:22:26,839 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 23:22:26,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:22:26,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:22:26,841 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) [2022-02-19 23:22:26,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-19 23:22:28,486 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 101 check-sat command(s) [2022-02-19 23:22:28,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:22:28,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 2285 conjuncts, 181 conjunts are in the unsatisfiable core [2022-02-19 23:22:28,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:22:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 41977 backedges. 12800 proven. 18649 refuted. 0 times theorem prover too weak. 10528 trivial. 0 not checked. [2022-02-19 23:22:47,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:23:00,516 INFO L134 CoverageAnalysis]: Checked inductivity of 41977 backedges. 19042 proven. 12347 refuted. 0 times theorem prover too weak. 10588 trivial. 0 not checked. [2022-02-19 23:23:00,516 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689139385] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:23:00,517 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:23:00,517 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [163, 180, 87] total 428 [2022-02-19 23:23:00,517 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117653619] [2022-02-19 23:23:00,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:23:00,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 429 states [2022-02-19 23:23:00,518 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:23:00,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 429 interpolants. [2022-02-19 23:23:00,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26362, Invalid=157250, Unknown=0, NotChecked=0, Total=183612 [2022-02-19 23:23:00,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:23:00,533 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:23:00,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 429 states, 429 states have (on average 3.4965034965034967) internal successors, (1500), 428 states have internal predecessors, (1500), 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) [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:23:00,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:24:01,008 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5132 transitions and produced 3569 states. [2022-02-19 23:24:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:24:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:24:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:24:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:24:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:24:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:24:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:24:01,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:24:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:24:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:24:01,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:24:01,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-19 23:24:01,209 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 [2022-02-19 23:24:01,210 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:24:01,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:24:01,210 INFO L85 PathProgramCache]: Analyzing trace with hash 134520766, now seen corresponding path program 12 times [2022-02-19 23:24:01,210 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:24:01,210 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038090161] [2022-02-19 23:24:01,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:24:01,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:24:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:24:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 45175 backedges. 20298 proven. 13502 refuted. 0 times theorem prover too weak. 11375 trivial. 0 not checked. [2022-02-19 23:24:09,795 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:24:09,795 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038090161] [2022-02-19 23:24:09,795 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038090161] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:24:09,795 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427058601] [2022-02-19 23:24:09,795 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 23:24:09,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:24:09,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:24:09,796 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) [2022-02-19 23:24:09,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-19 23:24:10,704 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 67 check-sat command(s) [2022-02-19 23:24:10,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:24:10,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 1661 conjuncts, 75 conjunts are in the unsatisfiable core [2022-02-19 23:24:10,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:24:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 45175 backedges. 12265 proven. 1052 refuted. 0 times theorem prover too weak. 31858 trivial. 0 not checked. [2022-02-19 23:24:14,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:24:15,290 INFO L134 CoverageAnalysis]: Checked inductivity of 45175 backedges. 12265 proven. 1052 refuted. 0 times theorem prover too weak. 31858 trivial. 0 not checked. [2022-02-19 23:24:15,290 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427058601] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:24:15,290 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:24:15,291 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [187, 36, 36] total 223 [2022-02-19 23:24:15,291 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906083260] [2022-02-19 23:24:15,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:24:15,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2022-02-19 23:24:15,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:24:15,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2022-02-19 23:24:15,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13964, Invalid=35542, Unknown=0, NotChecked=0, Total=49506 [2022-02-19 23:24:15,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:24:15,299 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:24:15,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 3.1614349775784754) internal successors, (705), 223 states have internal predecessors, (705), 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) [2022-02-19 23:24:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:24:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:24:15,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:24:15,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:24:15,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:24:15,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:24:15,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:24:15,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:24:15,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:24:15,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:24:15,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:24:15,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:24:32,575 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5318 transitions and produced 3682 states. [2022-02-19 23:24:32,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:24:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-19 23:24:32,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-19 23:24:32,776 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 [2022-02-19 23:24:32,777 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:24:32,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:24:32,777 INFO L85 PathProgramCache]: Analyzing trace with hash 951025600, now seen corresponding path program 13 times [2022-02-19 23:24:32,777 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:24:32,777 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565866339] [2022-02-19 23:24:32,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:24:32,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:24:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:24:56,859 INFO L134 CoverageAnalysis]: Checked inductivity of 47695 backedges. 10882 proven. 27971 refuted. 0 times theorem prover too weak. 8842 trivial. 0 not checked. [2022-02-19 23:24:56,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:24:56,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565866339] [2022-02-19 23:24:56,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565866339] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:24:56,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537561366] [2022-02-19 23:24:56,860 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 23:24:56,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:24:56,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:24:56,868 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) [2022-02-19 23:24:56,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-19 23:24:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:24:57,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 210 conjunts are in the unsatisfiable core [2022-02-19 23:24:57,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:25:28,112 INFO L134 CoverageAnalysis]: Checked inductivity of 47695 backedges. 12998 proven. 24467 refuted. 0 times theorem prover too weak. 10230 trivial. 0 not checked. [2022-02-19 23:25:28,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:25:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 47695 backedges. 14303 proven. 23132 refuted. 0 times theorem prover too weak. 10260 trivial. 0 not checked. [2022-02-19 23:25:59,815 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537561366] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:25:59,815 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:25:59,816 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [353, 209, 150] total 710 [2022-02-19 23:25:59,816 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797180135] [2022-02-19 23:25:59,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:25:59,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 711 states [2022-02-19 23:25:59,818 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:25:59,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 711 interpolants. [2022-02-19 23:25:59,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48504, Invalid=456306, Unknown=0, NotChecked=0, Total=504810 [2022-02-19 23:25:59,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:25:59,846 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:25:59,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 711 states, 711 states have (on average 2.869198312236287) internal successors, (2040), 710 states have internal predecessors, (2040), 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) [2022-02-19 23:25:59,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:25:59,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:25:59,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:25:59,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:25:59,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:25:59,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:25:59,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:25:59,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:25:59,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:25:59,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:25:59,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:25:59,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-19 23:25:59,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:26:39,296 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5340 transitions and produced 3695 states. [2022-02-19 23:26:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:26:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:26:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:26:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:26:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:26:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:26:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:26:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:26:39,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:26:39,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:26:39,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:26:39,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-19 23:26:39,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2022-02-19 23:26:39,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-02-19 23:26:39,497 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 [2022-02-19 23:26:39,498 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:26:39,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:26:39,498 INFO L85 PathProgramCache]: Analyzing trace with hash -790403348, now seen corresponding path program 14 times [2022-02-19 23:26:39,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:26:39,499 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116187781] [2022-02-19 23:26:39,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:26:39,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:26:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:26:43,587 INFO L134 CoverageAnalysis]: Checked inductivity of 48005 backedges. 24105 proven. 16409 refuted. 0 times theorem prover too weak. 7491 trivial. 0 not checked. [2022-02-19 23:26:43,587 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:26:43,587 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116187781] [2022-02-19 23:26:43,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116187781] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:26:43,587 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598313111] [2022-02-19 23:26:43,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 23:26:43,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:26:43,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:26:43,589 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) [2022-02-19 23:26:43,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-19 23:26:43,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 23:26:43,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:26:43,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 2444 conjuncts, 209 conjunts are in the unsatisfiable core [2022-02-19 23:26:43,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:26:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 48005 backedges. 24312 proven. 16202 refuted. 0 times theorem prover too weak. 7491 trivial. 0 not checked. [2022-02-19 23:26:45,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:26:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 48005 backedges. 24312 proven. 16202 refuted. 0 times theorem prover too weak. 7491 trivial. 0 not checked. [2022-02-19 23:26:46,825 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598313111] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:26:46,825 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:26:46,825 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 103, 103] total 104 [2022-02-19 23:26:46,825 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044008683] [2022-02-19 23:26:46,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:26:46,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2022-02-19 23:26:46,826 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:26:46,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2022-02-19 23:26:46,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5359, Invalid=5561, Unknown=0, NotChecked=0, Total=10920 [2022-02-19 23:26:46,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:26:46,828 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:26:46,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 5.247619047619048) internal successors, (551), 104 states have internal predecessors, (551), 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) [2022-02-19 23:26:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:26:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:26:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:26:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:26:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:26:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:26:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:26:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:26:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:26:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:26:46,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:26:46,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-19 23:26:46,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2022-02-19 23:26:46,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:26:49,820 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5571 transitions and produced 3829 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:26:49,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:26:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-19 23:26:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2022-02-19 23:26:49,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-02-19 23:26:49,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-02-19 23:26:50,027 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 [2022-02-19 23:26:50,028 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:26:50,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:26:50,028 INFO L85 PathProgramCache]: Analyzing trace with hash -99426226, now seen corresponding path program 15 times [2022-02-19 23:26:50,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:26:50,029 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714730252] [2022-02-19 23:26:50,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:26:50,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:26:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:26:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 51750 backedges. 26346 proven. 17892 refuted. 0 times theorem prover too weak. 7512 trivial. 0 not checked. [2022-02-19 23:26:55,148 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:26:55,149 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714730252] [2022-02-19 23:26:55,149 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714730252] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:26:55,149 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935874811] [2022-02-19 23:26:55,149 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 23:26:55,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:26:55,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:26:55,156 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) [2022-02-19 23:26:55,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-19 23:26:56,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 65 check-sat command(s) [2022-02-19 23:26:56,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:26:56,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 1948 conjuncts, 155 conjunts are in the unsatisfiable core [2022-02-19 23:26:56,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:27:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 51750 backedges. 24322 proven. 1194 refuted. 0 times theorem prover too weak. 26234 trivial. 0 not checked. [2022-02-19 23:27:05,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:27:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 51750 backedges. 24322 proven. 1194 refuted. 0 times theorem prover too weak. 26234 trivial. 0 not checked. [2022-02-19 23:27:11,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935874811] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:27:11,696 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:27:11,696 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [110, 112, 112] total 297 [2022-02-19 23:27:11,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090968152] [2022-02-19 23:27:11,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:27:11,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 298 states [2022-02-19 23:27:11,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:27:11,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 298 interpolants. [2022-02-19 23:27:11,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23762, Invalid=64744, Unknown=0, NotChecked=0, Total=88506 [2022-02-19 23:27:11,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:27:11,707 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:27:11,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 298 states, 298 states have (on average 4.446308724832215) internal successors, (1325), 297 states have internal predecessors, (1325), 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) [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-02-19 23:27:11,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:28:05,363 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7344 transitions and produced 4882 states. [2022-02-19 23:28:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:28:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:28:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:28:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:28:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:28:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:28:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:28:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:28:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:28:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:28:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:28:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-19 23:28:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2022-02-19 23:28:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-02-19 23:28:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 439 states. [2022-02-19 23:28:05,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-19 23:28:05,565 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 [2022-02-19 23:28:05,565 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:28:05,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:28:05,566 INFO L85 PathProgramCache]: Analyzing trace with hash 584462549, now seen corresponding path program 16 times [2022-02-19 23:28:05,566 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:28:05,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47827142] [2022-02-19 23:28:05,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:28:05,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:28:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:28:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 94117 backedges. 34913 proven. 25799 refuted. 0 times theorem prover too weak. 33405 trivial. 0 not checked. [2022-02-19 23:28:10,675 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:28:10,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47827142] [2022-02-19 23:28:10,675 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47827142] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:28:10,675 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455376953] [2022-02-19 23:28:10,675 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 23:28:10,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:28:10,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:28:10,677 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) [2022-02-19 23:28:10,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-19 23:28:11,084 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 23:28:11,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:28:11,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 3515 conjuncts, 240 conjunts are in the unsatisfiable core [2022-02-19 23:28:11,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 23:28:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 94117 backedges. 40222 proven. 24132 refuted. 0 times theorem prover too weak. 29763 trivial. 0 not checked. [2022-02-19 23:28:36,399 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 23:28:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 94117 backedges. 43355 proven. 20974 refuted. 0 times theorem prover too weak. 29788 trivial. 0 not checked. [2022-02-19 23:28:55,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455376953] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 23:28:55,577 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 23:28:55,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 239, 121] total 475 [2022-02-19 23:28:55,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214762635] [2022-02-19 23:28:55,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 23:28:55,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 476 states [2022-02-19 23:28:55,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 23:28:55,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 476 interpolants. [2022-02-19 23:28:55,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39037, Invalid=187063, Unknown=0, NotChecked=0, Total=226100 [2022-02-19 23:28:55,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:28:55,593 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 23:28:55,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 476 states, 476 states have (on average 4.292016806722689) internal successors, (2043), 475 states have internal predecessors, (2043), 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) [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 256 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 439 states. [2022-02-19 23:28:55,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 23:29:50,105 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7575 transitions and produced 5016 states. [2022-02-19 23:29:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-19 23:29:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-02-19 23:29:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 23:29:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 23:29:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 434 states. [2022-02-19 23:29:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-02-19 23:29:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 601 states. [2022-02-19 23:29:50,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-19 23:29:50,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2022-02-19 23:29:50,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2022-02-19 23:29:50,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 503 states. [2022-02-19 23:29:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 256 states. [2022-02-19 23:29:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2022-02-19 23:29:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-02-19 23:29:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 439 states. [2022-02-19 23:29:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 677 states. [2022-02-19 23:29:50,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-19 23:29:50,343 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 [2022-02-19 23:29:50,343 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-19 23:29:50,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 23:29:50,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1762474353, now seen corresponding path program 17 times [2022-02-19 23:29:50,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 23:29:50,344 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263399972] [2022-02-19 23:29:50,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 23:29:50,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 23:29:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 23:29:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 98352 backedges. 37447 proven. 27500 refuted. 0 times theorem prover too weak. 33405 trivial. 0 not checked. [2022-02-19 23:29:56,832 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 23:29:56,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263399972] [2022-02-19 23:29:56,832 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263399972] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 23:29:56,832 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595108861] [2022-02-19 23:29:56,832 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 23:29:56,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 23:29:56,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 23:29:56,834 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) [2022-02-19 23:29:56,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-19 23:30:03,585 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 126 check-sat command(s) [2022-02-19 23:30:03,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 23:30:03,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 3606 conjuncts, 304 conjunts are in the unsatisfiable core [2022-02-19 23:30:03,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-19 23:30:21,518 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-19 23:30:21,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-19 23:30:21,543 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 [2022-02-19 23:30:21,543 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 [2022-02-19 23:30:21,543 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 [2022-02-19 23:30:21,718 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 [2022-02-19 23:30:21,719 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1401 with TraceHistMax 176,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 304 known predicates. [2022-02-19 23:30:21,720 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-19 23:30:21,720 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-19 23:30:21,721 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-19 23:30:21,721 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-19 23:30:21,732 INFO L732 BasicCegarLoop]: Path program histogram: [17] [2022-02-19 23:30:21,734 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 23:30:21,736 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 23:30:21,738 INFO L202 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 11:30:21 BasicIcfg [2022-02-19 23:30:21,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 23:30:21,738 INFO L158 Benchmark]: Toolchain (without parser) took 686689.95ms. Allocated memory was 187.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 151.8MB in the beginning and 1.0GB in the end (delta: -873.0MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-02-19 23:30:21,738 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 153.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 23:30:21,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.16ms. Allocated memory is still 187.7MB. Free memory was 151.8MB in the beginning and 150.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 23:30:21,739 INFO L158 Benchmark]: Boogie Preprocessor took 25.69ms. Allocated memory is still 187.7MB. Free memory was 150.2MB in the beginning and 149.2MB in the end (delta: 947.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 23:30:21,739 INFO L158 Benchmark]: RCFGBuilder took 224.82ms. Allocated memory is still 187.7MB. Free memory was 149.2MB in the beginning and 138.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-19 23:30:21,739 INFO L158 Benchmark]: TraceAbstraction took 686401.27ms. Allocated memory was 187.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 138.5MB in the beginning and 1.0GB in the end (delta: -886.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-02-19 23:30:21,740 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 0.12ms. Allocated memory is still 187.7MB. Free memory is still 153.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.16ms. Allocated memory is still 187.7MB. Free memory was 151.8MB in the beginning and 150.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.69ms. Allocated memory is still 187.7MB. Free memory was 150.2MB in the beginning and 149.2MB in the end (delta: 947.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 224.82ms. Allocated memory is still 187.7MB. Free memory was 149.2MB in the beginning and 138.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 686401.27ms. Allocated memory was 187.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 138.5MB in the beginning and 1.0GB in the end (delta: -886.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1401 with TraceHistMax 176,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 304 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1401 with TraceHistMax 176,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 304 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1401 with TraceHistMax 176,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 304 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1401 with TraceHistMax 176,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 304 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1401 with TraceHistMax 176,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 304 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 686.3s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 341.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4196, 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: 0.7s SsaConstructionTime, 11.6s SatisfiabilityAnalysisTime, 296.5s InterpolantComputationTime, 22110 NumberOfCodeBlocks, 21069 NumberOfCodeBlocksAsserted, 449 NumberOfCheckSat, 33117 ConstructedInterpolants, 0 QuantifiedInterpolants, 142179 SizeOfPredicates, 20 NumberOfNonLiveVariables, 25703 ConjunctsInSsa, 1800 ConjunctsInUnsatCore, 48 InterpolantComputations, 0 PerfectInterpolantSequences, 1147277/1517994 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