/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 00:14:15,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 00:14:15,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 00:14:15,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 00:14:15,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 00:14:15,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 00:14:15,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 00:14:15,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 00:14:15,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 00:14:15,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 00:14:15,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 00:14:15,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 00:14:15,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 00:14:15,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 00:14:15,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 00:14:15,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 00:14:15,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 00:14:15,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 00:14:15,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 00:14:15,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 00:14:15,480 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-10 00:14:15,496 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 00:14:15,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 00:14:15,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 00:14:15,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 00:14:15,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 00:14:15,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 00:14:15,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 00:14:15,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 00:14:15,498 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 00:14:15,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 00:14:15,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 00:14:15,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 00:14:15,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 00:14:15,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 00:14:15,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 00:14:15,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 00:14:15,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 00:14:15,499 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 00:14:15,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 00:14:15,499 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 00:14:15,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 00:14:15,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 00:14:15,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 00:14:15,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 00:14:15,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 00:14:15,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 00:14:15,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 00:14:15,500 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-10 00:14:15,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 00:14:15,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 00:14:15,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 00:14:15,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 00:14:15,501 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 00:14:15,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 00:14:15,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 00:14:15,501 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-10 00:14:15,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 00:14:15,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 00:14:15,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 00:14:15,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 00:14:15,689 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-10 00:14:15,691 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-10 00:14:15,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2022-02-10 00:14:15,693 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2022-02-10 00:14:15,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 00:14:15,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-10 00:14:15,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 00:14:15,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 00:14:15,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 00:14:15,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/1) ... [2022-02-10 00:14:15,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/1) ... [2022-02-10 00:14:15,733 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-10 00:14:15,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 00:14:15,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 00:14:15,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 00:14:15,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 00:14:15,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/1) ... [2022-02-10 00:14:15,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/1) ... [2022-02-10 00:14:15,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/1) ... [2022-02-10 00:14:15,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/1) ... [2022-02-10 00:14:15,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/1) ... [2022-02-10 00:14:15,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/1) ... [2022-02-10 00:14:15,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/1) ... [2022-02-10 00:14:15,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 00:14:15,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 00:14:15,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 00:14:15,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 00:14:15,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/1) ... [2022-02-10 00:14:15,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 00:14:15,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:15,767 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) [2022-02-10 00:14:15,768 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 [2022-02-10 00:14:15,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-10 00:14:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-10 00:14:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-10 00:14:15,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-10 00:14:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-10 00:14:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-10 00:14:15,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-10 00:14:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 00:14:15,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 00:14:15,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-10 00:14:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-10 00:14:15,791 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-10 00:14:15,791 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 00:14:15,826 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 00:14:15,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 00:14:15,942 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 00:14:15,953 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 00:14:15,954 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 00:14:15,955 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:14:15 BoogieIcfgContainer [2022-02-10 00:14:15,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 00:14:15,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 00:14:15,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 00:14:15,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 00:14:15,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 12:14:15" (1/2) ... [2022-02-10 00:14:15,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775b5023 and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 12:14:15, skipping insertion in model container [2022-02-10 00:14:15,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:14:15" (2/2) ... [2022-02-10 00:14:15,965 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2022-02-10 00:14:15,976 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 00:14:15,977 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 00:14:15,977 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 00:14:15,977 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 00:14:16,016 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-10 00:14:16,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 00:14:16,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:16,066 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) [2022-02-10 00:14:16,067 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 [2022-02-10 00:14:16,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 00:14:16,116 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 00:14:16,117 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 00:14:16,230 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 348 transitions and produced 311 states. [2022-02-10 00:14:16,232 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:16,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:16,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1137721605, now seen corresponding path program 1 times [2022-02-10 00:14:16,243 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:16,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879416721] [2022-02-10 00:14:16,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:16,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2022-02-10 00:14:16,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:16,456 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879416721] [2022-02-10 00:14:16,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879416721] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 00:14:16,457 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 00:14:16,457 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 00:14:16,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981143695] [2022-02-10 00:14:16,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 00:14:16,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 00:14:16,461 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:16,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 00:14:16,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 00:14:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:16,484 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:16,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:16,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:16,558 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 327 transitions and produced 293 states. [2022-02-10 00:14:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:16,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 00:14:16,559 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:16,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:16,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1480512251, now seen corresponding path program 2 times [2022-02-10 00:14:16,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:16,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264234470] [2022-02-10 00:14:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:16,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-02-10 00:14:16,680 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:16,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264234470] [2022-02-10 00:14:16,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264234470] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 00:14:16,681 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 00:14:16,681 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 00:14:16,681 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255016726] [2022-02-10 00:14:16,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 00:14:16,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 00:14:16,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:16,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 00:14:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 00:14:16,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:16,683 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:16,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:16,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:16,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:16,730 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 347 transitions and produced 297 states. [2022-02-10 00:14:16,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:16,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:16,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 00:14:16,732 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:16,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:16,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1614650943, now seen corresponding path program 1 times [2022-02-10 00:14:16,733 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:16,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854298992] [2022-02-10 00:14:16,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:16,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 42 proven. 280 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-10 00:14:16,939 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:16,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854298992] [2022-02-10 00:14:16,939 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854298992] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:14:16,939 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884162501] [2022-02-10 00:14:16,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:16,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:16,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:16,941 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) [2022-02-10 00:14:16,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-10 00:14:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:17,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-10 00:14:17,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:14:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 174 proven. 97 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-02-10 00:14:17,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:14:17,549 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 174 proven. 97 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-02-10 00:14:17,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884162501] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:14:17,550 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:14:17,550 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 27 [2022-02-10 00:14:17,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718927268] [2022-02-10 00:14:17,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:14:17,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-10 00:14:17,554 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:17,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-10 00:14:17,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=637, Unknown=0, NotChecked=0, Total=756 [2022-02-10 00:14:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:17,556 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:17,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 27 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:17,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:17,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:18,327 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 350 transitions and produced 302 states. [2022-02-10 00:14:18,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:18,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:18,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:18,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-10 00:14:18,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-10 00:14:18,530 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:18,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:18,531 INFO L85 PathProgramCache]: Analyzing trace with hash 561365513, now seen corresponding path program 2 times [2022-02-10 00:14:18,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:18,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740635562] [2022-02-10 00:14:18,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:18,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 36 proven. 254 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-10 00:14:18,697 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:18,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740635562] [2022-02-10 00:14:18,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740635562] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:14:18,698 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885872304] [2022-02-10 00:14:18,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 00:14:18,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:18,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:18,699 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) [2022-02-10 00:14:18,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-10 00:14:18,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 00:14:18,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:14:18,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-10 00:14:18,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:14:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 196 proven. 64 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-02-10 00:14:19,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:14:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 196 proven. 64 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-02-10 00:14:19,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885872304] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:14:19,350 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:14:19,351 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 19] total 35 [2022-02-10 00:14:19,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38263421] [2022-02-10 00:14:19,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:14:19,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-02-10 00:14:19,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:19,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-02-10 00:14:19,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1070, Unknown=0, NotChecked=0, Total=1260 [2022-02-10 00:14:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:19,354 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:19,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.1666666666666665) internal successors, (114), 35 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:19,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:20,273 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 408 transitions and produced 370 states. [2022-02-10 00:14:20,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:20,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:20,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:20,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:20,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-10 00:14:20,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:20,474 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:20,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:20,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1331407923, now seen corresponding path program 3 times [2022-02-10 00:14:20,475 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:20,475 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142004399] [2022-02-10 00:14:20,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:20,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:20,780 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 175 proven. 365 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-10 00:14:20,780 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:20,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142004399] [2022-02-10 00:14:20,781 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142004399] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:14:20,781 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730603908] [2022-02-10 00:14:20,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 00:14:20,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:20,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:20,782 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) [2022-02-10 00:14:20,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-10 00:14:20,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-02-10 00:14:20,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:14:20,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-10 00:14:20,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:14:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 199 proven. 89 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-02-10 00:14:21,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:14:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 199 proven. 89 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-02-10 00:14:21,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730603908] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:14:21,449 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:14:21,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 15, 15] total 41 [2022-02-10 00:14:21,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521210639] [2022-02-10 00:14:21,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:14:21,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-10 00:14:21,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:21,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-10 00:14:21,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=1343, Unknown=0, NotChecked=0, Total=1640 [2022-02-10 00:14:21,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:21,452 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:21,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.7804878048780486) internal successors, (155), 41 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:23,733 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 482 transitions and produced 426 states. [2022-02-10 00:14:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:23,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:23,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-10 00:14:23,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:23,935 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:23,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:23,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1771525953, now seen corresponding path program 4 times [2022-02-10 00:14:23,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:23,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929044622] [2022-02-10 00:14:23,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:23,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 467 proven. 225 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-02-10 00:14:24,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:24,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929044622] [2022-02-10 00:14:24,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929044622] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:14:24,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191166710] [2022-02-10 00:14:24,361 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-10 00:14:24,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:24,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:24,363 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) [2022-02-10 00:14:24,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-10 00:14:24,432 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-10 00:14:24,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:14:24,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 33 conjunts are in the unsatisfiable core [2022-02-10 00:14:24,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:14:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 426 proven. 225 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-02-10 00:14:24,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:14:24,888 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 426 proven. 225 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-02-10 00:14:24,889 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191166710] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:14:24,889 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:14:24,889 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33, 33] total 36 [2022-02-10 00:14:24,889 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095539564] [2022-02-10 00:14:24,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:14:24,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-10 00:14:24,890 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:24,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-10 00:14:24,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=972, Unknown=0, NotChecked=0, Total=1332 [2022-02-10 00:14:24,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:24,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:24,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.8378378378378377) internal successors, (105), 36 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:24,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:25,375 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 559 transitions and produced 495 states. [2022-02-10 00:14:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:25,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:25,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:25,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:14:25,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-10 00:14:25,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:25,596 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:25,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:25,596 INFO L85 PathProgramCache]: Analyzing trace with hash -959756383, now seen corresponding path program 5 times [2022-02-10 00:14:25,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:25,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790413788] [2022-02-10 00:14:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:25,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:26,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 406 proven. 683 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-10 00:14:26,065 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:26,065 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790413788] [2022-02-10 00:14:26,065 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790413788] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:14:26,065 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75588890] [2022-02-10 00:14:26,065 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-10 00:14:26,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:26,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:26,066 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) [2022-02-10 00:14:26,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-10 00:14:26,214 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2022-02-10 00:14:26,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:14:26,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-10 00:14:26,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:14:27,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 569 proven. 376 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-02-10 00:14:27,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:14:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 569 proven. 376 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-02-10 00:14:27,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75588890] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:14:27,674 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:14:27,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 36, 36] total 80 [2022-02-10 00:14:27,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429363911] [2022-02-10 00:14:27,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:14:27,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-02-10 00:14:27,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:27,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-02-10 00:14:27,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=891, Invalid=5589, Unknown=0, NotChecked=0, Total=6480 [2022-02-10 00:14:27,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:27,677 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:27,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 3.111111111111111) internal successors, (252), 80 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:27,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:27,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:27,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:27,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:27,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:27,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:14:27,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:31,299 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 796 transitions and produced 647 states. [2022-02-10 00:14:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:14:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-02-10 00:14:31,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-10 00:14:31,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:31,504 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:31,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:31,505 INFO L85 PathProgramCache]: Analyzing trace with hash -2111808563, now seen corresponding path program 6 times [2022-02-10 00:14:31,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:31,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797936305] [2022-02-10 00:14:31,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:31,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2291 backedges. 400 proven. 1291 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2022-02-10 00:14:32,178 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:32,178 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797936305] [2022-02-10 00:14:32,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797936305] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:14:32,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413265666] [2022-02-10 00:14:32,179 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-10 00:14:32,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:32,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:32,180 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:14:32,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-10 00:14:32,483 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 35 check-sat command(s) [2022-02-10 00:14:32,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:14:32,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 47 conjunts are in the unsatisfiable core [2022-02-10 00:14:32,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:14:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2291 backedges. 1024 proven. 484 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2022-02-10 00:14:33,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:14:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2291 backedges. 1024 proven. 484 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2022-02-10 00:14:34,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413265666] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:14:34,222 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:14:34,223 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 47, 47] total 91 [2022-02-10 00:14:34,224 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282152243] [2022-02-10 00:14:34,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:14:34,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-02-10 00:14:34,225 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:34,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-02-10 00:14:34,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=7244, Unknown=0, NotChecked=0, Total=8372 [2022-02-10 00:14:34,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:34,228 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:34,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.5543478260869565) internal successors, (235), 91 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:34,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:34,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:34,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:34,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:34,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:34,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:14:34,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-02-10 00:14:34,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:37,468 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 863 transitions and produced 721 states. [2022-02-10 00:14:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:14:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:14:37,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:14:37,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-10 00:14:37,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:37,675 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:37,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:37,676 INFO L85 PathProgramCache]: Analyzing trace with hash -121863193, now seen corresponding path program 7 times [2022-02-10 00:14:37,676 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:37,676 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029546411] [2022-02-10 00:14:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:37,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 735 proven. 1590 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2022-02-10 00:14:38,480 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:38,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029546411] [2022-02-10 00:14:38,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029546411] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:14:38,481 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836698016] [2022-02-10 00:14:38,481 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-10 00:14:38,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:38,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:38,482 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:14:38,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-10 00:14:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:38,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 61 conjunts are in the unsatisfiable core [2022-02-10 00:14:38,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:14:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 1212 proven. 1000 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2022-02-10 00:14:40,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:14:40,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 1212 proven. 1000 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2022-02-10 00:14:40,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836698016] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:14:40,764 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:14:40,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 55, 55] total 107 [2022-02-10 00:14:40,766 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582226874] [2022-02-10 00:14:40,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:14:40,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2022-02-10 00:14:40,767 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:40,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2022-02-10 00:14:40,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1546, Invalid=10010, Unknown=0, NotChecked=0, Total=11556 [2022-02-10 00:14:40,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:40,771 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:40,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 2.6203703703703702) internal successors, (283), 107 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:40,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:40,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:40,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:40,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:40,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:40,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:14:40,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:14:40,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:14:40,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:45,016 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 929 transitions and produced 752 states. [2022-02-10 00:14:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:14:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:14:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:14:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:14:45,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-10 00:14:45,217 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,SelfDestructingSolverStorable8 [2022-02-10 00:14:45,218 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:45,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:45,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1918056129, now seen corresponding path program 8 times [2022-02-10 00:14:45,219 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:45,222 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095604207] [2022-02-10 00:14:45,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:45,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 729 proven. 1830 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2022-02-10 00:14:46,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:46,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095604207] [2022-02-10 00:14:46,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095604207] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:14:46,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246499110] [2022-02-10 00:14:46,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 00:14:46,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:46,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:46,241 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:14:46,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-10 00:14:46,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 00:14:46,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:14:46,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 61 conjunts are in the unsatisfiable core [2022-02-10 00:14:46,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:14:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 1297 proven. 841 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-02-10 00:14:48,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:14:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 1297 proven. 841 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-02-10 00:14:48,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246499110] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:14:48,890 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:14:48,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 61, 61] total 119 [2022-02-10 00:14:48,890 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735267728] [2022-02-10 00:14:48,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:14:48,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2022-02-10 00:14:48,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:48,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2022-02-10 00:14:48,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=12389, Unknown=0, NotChecked=0, Total=14280 [2022-02-10 00:14:48,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:48,894 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:48,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 2.533333333333333) internal successors, (304), 119 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:14:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:14:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:14:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:14:48,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:53,684 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 996 transitions and produced 826 states. [2022-02-10 00:14:53,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:53,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:53,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:53,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:53,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:53,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:14:53,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:14:53,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:14:53,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:14:53,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:14:53,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-10 00:14:53,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-10 00:14:53,887 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:14:53,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:14:53,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1209859453, now seen corresponding path program 9 times [2022-02-10 00:14:53,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:14:53,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351072766] [2022-02-10 00:14:53,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:14:53,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:14:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:14:55,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3912 backedges. 1162 proven. 2150 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2022-02-10 00:14:55,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:14:55,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351072766] [2022-02-10 00:14:55,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351072766] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:14:55,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719024825] [2022-02-10 00:14:55,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 00:14:55,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:14:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:14:55,117 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:14:55,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-10 00:14:55,656 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 35 check-sat command(s) [2022-02-10 00:14:55,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:14:55,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 69 conjunts are in the unsatisfiable core [2022-02-10 00:14:55,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:14:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3912 backedges. 1695 proven. 1305 refuted. 0 times theorem prover too weak. 912 trivial. 0 not checked. [2022-02-10 00:14:57,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:14:57,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3912 backedges. 1695 proven. 1305 refuted. 0 times theorem prover too weak. 912 trivial. 0 not checked. [2022-02-10 00:14:57,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719024825] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:14:57,899 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:14:57,900 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 62, 62] total 114 [2022-02-10 00:14:57,900 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024032907] [2022-02-10 00:14:57,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:14:57,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2022-02-10 00:14:57,900 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:14:57,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2022-02-10 00:14:57,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2272, Invalid=10838, Unknown=0, NotChecked=0, Total=13110 [2022-02-10 00:14:57,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:14:57,903 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:14:57,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 3.008695652173913) internal successors, (346), 114 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:14:57,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:15:07,613 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1227 transitions and produced 983 states. [2022-02-10 00:15:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:15:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:15:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:15:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:15:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:15:07,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:15:07,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:15:07,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:15:07,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:15:07,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-10 00:15:07,814 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,SelfDestructingSolverStorable10 [2022-02-10 00:15:07,814 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:15:07,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:15:07,815 INFO L85 PathProgramCache]: Analyzing trace with hash 518382399, now seen corresponding path program 10 times [2022-02-10 00:15:07,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:15:07,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543351027] [2022-02-10 00:15:07,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:15:07,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:15:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:15:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6114 backedges. 4368 proven. 1746 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 00:15:11,527 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:15:11,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543351027] [2022-02-10 00:15:11,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543351027] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:15:11,528 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349859014] [2022-02-10 00:15:11,528 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-10 00:15:11,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:15:11,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:15:11,529 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:15:11,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-10 00:15:11,672 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-10 00:15:11,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:15:11,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 75 conjunts are in the unsatisfiable core [2022-02-10 00:15:11,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:15:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6114 backedges. 2010 proven. 1296 refuted. 0 times theorem prover too weak. 2808 trivial. 0 not checked. [2022-02-10 00:15:16,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:15:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6114 backedges. 2010 proven. 1296 refuted. 0 times theorem prover too weak. 2808 trivial. 0 not checked. [2022-02-10 00:15:16,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349859014] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:15:16,609 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:15:16,609 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [126, 75, 75] total 200 [2022-02-10 00:15:16,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424053347] [2022-02-10 00:15:16,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:15:16,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 201 states [2022-02-10 00:15:16,610 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:15:16,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2022-02-10 00:15:16,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4335, Invalid=35865, Unknown=0, NotChecked=0, Total=40200 [2022-02-10 00:15:16,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:15:16,613 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:15:16,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 201 states, 201 states have (on average 2.328358208955224) internal successors, (468), 200 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:15:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:15:21,273 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1304 transitions and produced 1052 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:15:21,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:15:21,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:15:21,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-10 00:15:21,488 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,SelfDestructingSolverStorable11 [2022-02-10 00:15:21,489 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:15:21,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:15:21,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1659948189, now seen corresponding path program 11 times [2022-02-10 00:15:21,489 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:15:21,489 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862322573] [2022-02-10 00:15:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:15:21,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:15:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:15:23,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6667 backedges. 2068 proven. 2092 refuted. 0 times theorem prover too weak. 2507 trivial. 0 not checked. [2022-02-10 00:15:23,406 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:15:23,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862322573] [2022-02-10 00:15:23,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862322573] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:15:23,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474003009] [2022-02-10 00:15:23,406 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-10 00:15:23,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:15:23,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:15:23,412 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:15:23,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-10 00:15:24,600 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 44 check-sat command(s) [2022-02-10 00:15:24,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:15:24,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 89 conjunts are in the unsatisfiable core [2022-02-10 00:15:24,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:15:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6667 backedges. 3519 proven. 2104 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2022-02-10 00:15:29,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:15:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6667 backedges. 3519 proven. 2104 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2022-02-10 00:15:29,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474003009] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:15:29,846 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:15:29,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 89, 89] total 171 [2022-02-10 00:15:29,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831516540] [2022-02-10 00:15:29,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:15:29,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2022-02-10 00:15:29,855 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:15:29,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2022-02-10 00:15:29,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3873, Invalid=25539, Unknown=0, NotChecked=0, Total=29412 [2022-02-10 00:15:29,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:15:29,858 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:15:29,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 2.5290697674418605) internal successors, (435), 171 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:15:29,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:29,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:15:29,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:15:35,675 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1381 transitions and produced 1101 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:15:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:15:35,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-02-10 00:15:35,877 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,SelfDestructingSolverStorable12 [2022-02-10 00:15:35,877 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:15:35,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:15:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash 762385199, now seen corresponding path program 12 times [2022-02-10 00:15:35,878 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:15:35,878 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015072417] [2022-02-10 00:15:35,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:15:35,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:15:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:15:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 7318 backedges. 2676 proven. 2135 refuted. 0 times theorem prover too weak. 2507 trivial. 0 not checked. [2022-02-10 00:15:38,078 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:15:38,078 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015072417] [2022-02-10 00:15:38,078 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015072417] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:15:38,078 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320188099] [2022-02-10 00:15:38,078 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-10 00:15:38,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:15:38,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:15:38,079 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:15:38,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-10 00:15:39,209 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 51 check-sat command(s) [2022-02-10 00:15:39,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:15:39,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 96 conjunts are in the unsatisfiable core [2022-02-10 00:15:39,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:15:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7318 backedges. 2407 proven. 3867 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2022-02-10 00:15:44,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:15:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7318 backedges. 2407 proven. 3867 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2022-02-10 00:15:45,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320188099] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:15:45,444 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:15:45,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 96, 96] total 195 [2022-02-10 00:15:45,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693951626] [2022-02-10 00:15:45,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:15:45,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2022-02-10 00:15:45,445 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:15:45,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2022-02-10 00:15:45,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4995, Invalid=33225, Unknown=0, NotChecked=0, Total=38220 [2022-02-10 00:15:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:15:45,448 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:15:45,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 2.642857142857143) internal successors, (518), 195 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:15:45,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:45,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:45,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:15:45,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:15:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:15:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:15:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:15:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:15:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:15:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:15:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:15:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:15:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:15:45,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:15:58,140 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1586 transitions and produced 1247 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:15:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:15:58,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2022-02-10 00:15:58,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-10 00:15:58,346 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,SelfDestructingSolverStorable13 [2022-02-10 00:15:58,346 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:15:58,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:15:58,347 INFO L85 PathProgramCache]: Analyzing trace with hash 772064083, now seen corresponding path program 13 times [2022-02-10 00:15:58,347 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:15:58,347 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423230571] [2022-02-10 00:15:58,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:15:58,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:15:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:16:04,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10259 backedges. 7184 proven. 3075 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 00:16:04,224 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:16:04,224 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423230571] [2022-02-10 00:16:04,224 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423230571] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:16:04,225 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087676100] [2022-02-10 00:16:04,225 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-10 00:16:04,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:16:04,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:16:04,226 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:16:04,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-10 00:16:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:16:04,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 103 conjunts are in the unsatisfiable core [2022-02-10 00:16:04,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:16:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 10259 backedges. 3370 proven. 2500 refuted. 0 times theorem prover too weak. 4389 trivial. 0 not checked. [2022-02-10 00:16:12,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:16:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 10259 backedges. 3370 proven. 2500 refuted. 0 times theorem prover too weak. 4389 trivial. 0 not checked. [2022-02-10 00:16:12,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087676100] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:16:12,882 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:16:12,882 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [164, 103, 103] total 266 [2022-02-10 00:16:12,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307449055] [2022-02-10 00:16:12,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:16:12,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 267 states [2022-02-10 00:16:12,883 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:16:12,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 267 interpolants. [2022-02-10 00:16:12,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=63519, Unknown=0, NotChecked=0, Total=71022 [2022-02-10 00:16:12,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:16:12,888 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:16:12,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 267 states, 267 states have (on average 2.2883895131086143) internal successors, (611), 266 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:16:12,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:16:12,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:16:12,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:16:12,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:16:12,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:16:12,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:16:12,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:16:12,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:16:12,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:16:12,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:16:12,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:16:12,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:16:12,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:16:12,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2022-02-10 00:16:12,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:16:20,907 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1690 transitions and produced 1334 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:16:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:16:20,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:16:20,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-10 00:16:21,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:16:21,111 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:16:21,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:16:21,112 INFO L85 PathProgramCache]: Analyzing trace with hash -158496421, now seen corresponding path program 14 times [2022-02-10 00:16:21,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:16:21,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206181310] [2022-02-10 00:16:21,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:16:21,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:16:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:16:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11359 backedges. 3031 proven. 6004 refuted. 0 times theorem prover too weak. 2324 trivial. 0 not checked. [2022-02-10 00:16:24,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:16:24,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206181310] [2022-02-10 00:16:24,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206181310] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:16:24,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379758092] [2022-02-10 00:16:24,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 00:16:24,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:16:24,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:16:24,366 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:16:24,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-10 00:16:24,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 00:16:24,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:16:24,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 117 conjunts are in the unsatisfiable core [2022-02-10 00:16:24,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:16:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 11359 backedges. 3689 proven. 3576 refuted. 0 times theorem prover too weak. 4094 trivial. 0 not checked. [2022-02-10 00:16:31,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:16:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 11359 backedges. 3689 proven. 3576 refuted. 0 times theorem prover too weak. 4094 trivial. 0 not checked. [2022-02-10 00:16:32,052 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379758092] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:16:32,052 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:16:32,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [114, 111, 111] total 224 [2022-02-10 00:16:32,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161737309] [2022-02-10 00:16:32,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:16:32,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 225 states [2022-02-10 00:16:32,053 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:16:32,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2022-02-10 00:16:32,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6497, Invalid=43903, Unknown=0, NotChecked=0, Total=50400 [2022-02-10 00:16:32,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:16:32,057 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:16:32,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 225 states, 225 states have (on average 2.466666666666667) internal successors, (555), 224 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:16:32,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:16:46,595 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1671 transitions and produced 1304 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:16:46,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:16:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:16:46,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-10 00:16:46,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-10 00:16:46,796 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:16:46,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:16:46,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1243294405, now seen corresponding path program 15 times [2022-02-10 00:16:46,797 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:16:46,797 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657171169] [2022-02-10 00:16:46,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:16:46,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:16:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:16:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 11174 backedges. 3025 proven. 5825 refuted. 0 times theorem prover too weak. 2324 trivial. 0 not checked. [2022-02-10 00:16:50,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:16:50,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657171169] [2022-02-10 00:16:50,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657171169] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:16:50,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408909498] [2022-02-10 00:16:50,153 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 00:16:50,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:16:50,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:16:50,155 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:16:50,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-10 00:16:54,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 58 check-sat command(s) [2022-02-10 00:16:54,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:16:54,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 116 conjunts are in the unsatisfiable core [2022-02-10 00:16:54,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:16:57,698 INFO L134 CoverageAnalysis]: Checked inductivity of 11174 backedges. 3139 proven. 4780 refuted. 0 times theorem prover too weak. 3255 trivial. 0 not checked. [2022-02-10 00:16:57,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:16:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 11174 backedges. 3139 proven. 4780 refuted. 0 times theorem prover too weak. 3255 trivial. 0 not checked. [2022-02-10 00:16:58,392 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408909498] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:16:58,392 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:16:58,392 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [115, 109, 109] total 169 [2022-02-10 00:16:58,392 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022207350] [2022-02-10 00:16:58,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:16:58,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2022-02-10 00:16:58,393 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:16:58,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2022-02-10 00:16:58,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4904, Invalid=23826, Unknown=0, NotChecked=0, Total=28730 [2022-02-10 00:16:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:16:58,394 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:16:58,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 2.541176470588235) internal successors, (432), 169 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:16:58,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:17:20,238 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1742 transitions and produced 1354 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:17:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:17:20,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2022-02-10 00:17:20,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-10 00:17:20,439 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,SelfDestructingSolverStorable16 [2022-02-10 00:17:20,439 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:17:20,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:17:20,440 INFO L85 PathProgramCache]: Analyzing trace with hash 979903727, now seen corresponding path program 16 times [2022-02-10 00:17:20,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:17:20,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569477087] [2022-02-10 00:17:20,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:17:20,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:17:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:17:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12190 backedges. 4594 proven. 3249 refuted. 0 times theorem prover too weak. 4347 trivial. 0 not checked. [2022-02-10 00:17:24,123 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:17:24,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569477087] [2022-02-10 00:17:24,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569477087] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:17:24,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527045074] [2022-02-10 00:17:24,123 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-10 00:17:24,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:17:24,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:17:24,124 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:17:24,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-10 00:17:24,330 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-10 00:17:24,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:17:24,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 117 conjunts are in the unsatisfiable core [2022-02-10 00:17:24,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:17:24,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12190 backedges. 4223 proven. 3249 refuted. 0 times theorem prover too weak. 4718 trivial. 0 not checked. [2022-02-10 00:17:24,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:17:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12190 backedges. 4223 proven. 3249 refuted. 0 times theorem prover too weak. 4718 trivial. 0 not checked. [2022-02-10 00:17:25,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527045074] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:17:25,448 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:17:25,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [123, 117, 117] total 124 [2022-02-10 00:17:25,448 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710625750] [2022-02-10 00:17:25,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:17:25,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2022-02-10 00:17:25,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:17:25,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2022-02-10 00:17:25,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3974, Invalid=11526, Unknown=0, NotChecked=0, Total=15500 [2022-02-10 00:17:25,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:17:25,450 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:17:25,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 2.232) internal successors, (279), 124 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2022-02-10 00:17:25,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:17:28,852 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1819 transitions and produced 1423 states. [2022-02-10 00:17:28,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2022-02-10 00:17:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-02-10 00:17:28,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-10 00:17:29,056 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,SelfDestructingSolverStorable17 [2022-02-10 00:17:29,056 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:17:29,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:17:29,056 INFO L85 PathProgramCache]: Analyzing trace with hash 677186129, now seen corresponding path program 17 times [2022-02-10 00:17:29,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:17:29,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210709213] [2022-02-10 00:17:29,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:17:29,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:17:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:17:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 13037 backedges. 3850 proven. 6463 refuted. 0 times theorem prover too weak. 2724 trivial. 0 not checked. [2022-02-10 00:17:32,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:17:32,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210709213] [2022-02-10 00:17:32,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210709213] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:17:32,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899715987] [2022-02-10 00:17:32,784 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-10 00:17:32,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:17:32,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:17:32,785 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:17:32,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-10 00:17:39,613 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 65 check-sat command(s) [2022-02-10 00:17:39,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:17:39,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 123 conjunts are in the unsatisfiable core [2022-02-10 00:17:39,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:17:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 13037 backedges. 3975 proven. 6338 refuted. 0 times theorem prover too weak. 2724 trivial. 0 not checked. [2022-02-10 00:17:40,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:17:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 13037 backedges. 3975 proven. 6338 refuted. 0 times theorem prover too weak. 2724 trivial. 0 not checked. [2022-02-10 00:17:41,402 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899715987] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:17:41,402 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:17:41,402 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [123, 123, 123] total 136 [2022-02-10 00:17:41,402 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625483014] [2022-02-10 00:17:41,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:17:41,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-02-10 00:17:41,403 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:17:41,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-02-10 00:17:41,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4709, Invalid=13923, Unknown=0, NotChecked=0, Total=18632 [2022-02-10 00:17:41,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:17:41,404 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:17:41,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 2.8613138686131387) internal successors, (392), 136 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-02-10 00:17:41,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:17:48,630 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1923 transitions and produced 1501 states. [2022-02-10 00:17:48,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:48,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:48,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:17:48,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:17:48,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:17:48,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-02-10 00:17:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-02-10 00:17:48,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-10 00:17:48,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:17:48,832 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:17:48,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:17:48,832 INFO L85 PathProgramCache]: Analyzing trace with hash 736322847, now seen corresponding path program 18 times [2022-02-10 00:17:48,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:17:48,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483270856] [2022-02-10 00:17:48,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:17:48,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:17:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:17:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 15507 backedges. 8366 proven. 4096 refuted. 0 times theorem prover too weak. 3045 trivial. 0 not checked. [2022-02-10 00:17:53,177 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:17:53,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483270856] [2022-02-10 00:17:53,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483270856] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:17:53,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650418673] [2022-02-10 00:17:53,177 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-10 00:17:53,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:17:53,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:17:53,178 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:17:53,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-10 00:17:56,536 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 68 check-sat command(s) [2022-02-10 00:17:56,536 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:17:56,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 136 conjunts are in the unsatisfiable core [2022-02-10 00:17:56,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:17:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15507 backedges. 8366 proven. 4096 refuted. 0 times theorem prover too weak. 3045 trivial. 0 not checked. [2022-02-10 00:17:57,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:17:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 15507 backedges. 8366 proven. 4096 refuted. 0 times theorem prover too weak. 3045 trivial. 0 not checked. [2022-02-10 00:17:58,405 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650418673] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:17:58,405 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:17:58,405 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [136, 136, 136] total 147 [2022-02-10 00:17:58,405 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983508436] [2022-02-10 00:17:58,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:17:58,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2022-02-10 00:17:58,406 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:17:58,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2022-02-10 00:17:58,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5553, Invalid=16203, Unknown=0, NotChecked=0, Total=21756 [2022-02-10 00:17:58,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:17:58,407 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:17:58,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 2.7837837837837838) internal successors, (412), 147 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-02-10 00:17:58,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:18:03,801 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2055 transitions and produced 1605 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:18:03,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:18:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:18:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:18:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2022-02-10 00:18:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-02-10 00:18:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-02-10 00:18:03,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-10 00:18:03,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-10 00:18:04,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:18:04,002 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:18:04,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:18:04,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1197306579, now seen corresponding path program 19 times [2022-02-10 00:18:04,003 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:18:04,003 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262942238] [2022-02-10 00:18:04,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:18:04,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:18:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:18:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 17187 backedges. 12155 proven. 5008 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-02-10 00:18:12,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:18:12,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262942238] [2022-02-10 00:18:12,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262942238] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:18:12,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105863693] [2022-02-10 00:18:12,920 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-10 00:18:12,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:18:12,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:18:12,921 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:18:12,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-10 00:18:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:18:13,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 142 conjunts are in the unsatisfiable core [2022-02-10 00:18:13,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:18:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 17187 backedges. 6231 proven. 4250 refuted. 0 times theorem prover too weak. 6706 trivial. 0 not checked. [2022-02-10 00:18:26,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:18:29,196 INFO L134 CoverageAnalysis]: Checked inductivity of 17187 backedges. 6231 proven. 4250 refuted. 0 times theorem prover too weak. 6706 trivial. 0 not checked. [2022-02-10 00:18:29,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105863693] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:18:29,196 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:18:29,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [204, 136, 136] total 361 [2022-02-10 00:18:29,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633258447] [2022-02-10 00:18:29,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:18:29,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 362 states [2022-02-10 00:18:29,197 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:18:29,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 362 interpolants. [2022-02-10 00:18:29,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13553, Invalid=117129, Unknown=0, NotChecked=0, Total=130682 [2022-02-10 00:18:29,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:18:29,204 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:18:29,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 362 states, 362 states have (on average 2.3646408839779007) internal successors, (856), 361 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-02-10 00:18:29,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-02-10 00:18:29,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-10 00:18:29,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:19:11,341 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2261 transitions and produced 1746 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:19:11,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:19:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:19:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:19:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:19:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:19:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 338 states. [2022-02-10 00:19:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-02-10 00:19:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-02-10 00:19:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-10 00:19:11,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 413 states. [2022-02-10 00:19:11,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-02-10 00:19:11,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-02-10 00:19:11,543 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:19:11,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:19:11,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1188378191, now seen corresponding path program 20 times [2022-02-10 00:19:11,543 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:19:11,543 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152082509] [2022-02-10 00:19:11,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:19:11,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:19:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:19:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 21669 backedges. 5041 proven. 9212 refuted. 0 times theorem prover too weak. 7416 trivial. 0 not checked. [2022-02-10 00:19:16,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:19:16,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152082509] [2022-02-10 00:19:16,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152082509] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:19:16,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597365843] [2022-02-10 00:19:16,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-10 00:19:16,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:19:16,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:19:16,544 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:19:16,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-10 00:19:16,792 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-10 00:19:16,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:19:16,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 149 conjunts are in the unsatisfiable core [2022-02-10 00:19:16,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:19:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 21669 backedges. 8563 proven. 5329 refuted. 0 times theorem prover too weak. 7777 trivial. 0 not checked. [2022-02-10 00:19:28,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:19:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 21669 backedges. 8563 proven. 5329 refuted. 0 times theorem prover too weak. 7777 trivial. 0 not checked. [2022-02-10 00:19:29,470 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597365843] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:19:29,474 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:19:29,474 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145, 149, 149] total 293 [2022-02-10 00:19:29,474 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690365593] [2022-02-10 00:19:29,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:19:29,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 294 states [2022-02-10 00:19:29,476 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:19:29,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 294 interpolants. [2022-02-10 00:19:29,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11028, Invalid=75114, Unknown=0, NotChecked=0, Total=86142 [2022-02-10 00:19:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:19:29,482 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:19:29,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 294 states, 294 states have (on average 2.3401360544217686) internal successors, (688), 293 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 219 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 338 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 413 states. [2022-02-10 00:19:29,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:20:16,568 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4232 transitions and produced 2979 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:20:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:20:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 391 states. [2022-02-10 00:20:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-02-10 00:20:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2022-02-10 00:20:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2022-02-10 00:20:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 490 states. [2022-02-10 00:20:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 443 states. [2022-02-10 00:20:16,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-02-10 00:20:16,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-02-10 00:20:16,773 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-10 00:20:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 00:20:16,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1812733987, now seen corresponding path program 21 times [2022-02-10 00:20:16,773 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 00:20:16,773 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357482836] [2022-02-10 00:20:16,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 00:20:16,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 00:20:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 00:20:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 71987 backedges. 43506 proven. 20902 refuted. 0 times theorem prover too weak. 7579 trivial. 0 not checked. [2022-02-10 00:20:35,384 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 00:20:35,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357482836] [2022-02-10 00:20:35,384 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357482836] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-10 00:20:35,384 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201609290] [2022-02-10 00:20:35,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-10 00:20:35,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:20:35,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 00:20:35,386 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-10 00:20:35,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-02-10 00:24:08,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 90 check-sat command(s) [2022-02-10 00:24:08,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-10 00:24:08,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 170 conjunts are in the unsatisfiable core [2022-02-10 00:24:08,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-10 00:24:30,988 INFO L134 CoverageAnalysis]: Checked inductivity of 71987 backedges. 24173 proven. 8270 refuted. 0 times theorem prover too weak. 39544 trivial. 0 not checked. [2022-02-10 00:24:30,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-10 00:24:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 71987 backedges. 24173 proven. 8270 refuted. 0 times theorem prover too weak. 39544 trivial. 0 not checked. [2022-02-10 00:24:38,340 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201609290] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-10 00:24:38,340 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-10 00:24:38,340 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [273, 167, 167] total 482 [2022-02-10 00:24:38,340 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027610967] [2022-02-10 00:24:38,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-10 00:24:38,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 482 states [2022-02-10 00:24:38,341 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 00:24:38,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 482 interpolants. [2022-02-10 00:24:38,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40488, Invalid=191354, Unknown=0, NotChecked=0, Total=231842 [2022-02-10 00:24:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 00:24:38,354 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 00:24:38,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 482 states, 482 states have (on average 2.7531120331950207) internal successors, (1327), 482 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-10 00:24:38,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2022-02-10 00:24:38,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2022-02-10 00:24:38,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2022-02-10 00:24:38,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 391 states. [2022-02-10 00:24:38,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-02-10 00:24:38,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2022-02-10 00:24:38,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2022-02-10 00:24:38,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 490 states. [2022-02-10 00:24:38,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 443 states. [2022-02-10 00:24:38,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-10 00:26:58,863 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-10 00:26:58,863 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-10 00:26:58,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-10 00:26:58,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-02-10 00:26:59,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-10 00:26:59,039 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1202 known predicates. [2022-02-10 00:26:59,041 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-10 00:26:59,041 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-10 00:26:59,042 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-10 00:26:59,042 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-10 00:26:59,049 INFO L732 BasicCegarLoop]: Path program histogram: [21, 2] [2022-02-10 00:26:59,050 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 00:26:59,050 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 00:26:59,056 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 12:26:59 BasicIcfg [2022-02-10 00:26:59,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 00:26:59,057 INFO L158 Benchmark]: Toolchain (without parser) took 763343.48ms. Allocated memory was 178.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 136.4MB in the beginning and 959.2MB in the end (delta: -822.9MB). Peak memory consumption was 756.3MB. Max. memory is 8.0GB. [2022-02-10 00:26:59,057 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 00:26:59,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.46ms. Allocated memory is still 178.3MB. Free memory was 136.3MB in the beginning and 134.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 00:26:59,058 INFO L158 Benchmark]: Boogie Preprocessor took 10.45ms. Allocated memory is still 178.3MB. Free memory was 134.8MB in the beginning and 133.8MB in the end (delta: 988.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 00:26:59,058 INFO L158 Benchmark]: RCFGBuilder took 209.24ms. Allocated memory is still 178.3MB. Free memory was 133.7MB in the beginning and 124.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-10 00:26:59,059 INFO L158 Benchmark]: TraceAbstraction took 763099.99ms. Allocated memory was 178.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 123.7MB in the beginning and 959.2MB in the end (delta: -835.5MB). Peak memory consumption was 743.7MB. Max. memory is 8.0GB. [2022-02-10 00:26:59,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.46ms. Allocated memory is still 178.3MB. Free memory was 136.3MB in the beginning and 134.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.45ms. Allocated memory is still 178.3MB. Free memory was 134.8MB in the beginning and 133.8MB in the end (delta: 988.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 209.24ms. Allocated memory is still 178.3MB. Free memory was 133.7MB in the beginning and 124.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 763099.99ms. Allocated memory was 178.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 123.7MB in the beginning and 959.2MB in the end (delta: -835.5MB). Peak memory consumption was 743.7MB. 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: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1202 known predicates. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1202 known predicates. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1202 known predicates. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1202 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 763.0s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 21, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 343.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4849, 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: 0.5s SsaConstructionTime, 233.6s SatisfiabilityAnalysisTime, 179.2s InterpolantComputationTime, 14104 NumberOfCodeBlocks, 13782 NumberOfCodeBlocksAsserted, 519 NumberOfCheckSat, 21005 ConstructedInterpolants, 0 QuantifiedInterpolants, 85697 SizeOfPredicates, 48 NumberOfNonLiveVariables, 18461 ConjunctsInSsa, 1802 ConjunctsInUnsatCore, 65 InterpolantComputations, 2 PerfectInterpolantSequences, 474144/660891 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