/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 09:33:27,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 09:33:27,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 09:33:27,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 09:33:27,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 09:33:27,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 09:33:27,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 09:33:27,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 09:33:27,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 09:33:27,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 09:33:27,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 09:33:27,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 09:33:27,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 09:33:27,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 09:33:27,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 09:33:27,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 09:33:27,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 09:33:27,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 09:33:27,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 09:33:27,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 09:33:27,808 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-POR-NewStatesSleep-NoLbe.epf [2022-02-09 09:33:27,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 09:33:27,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 09:33:27,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 09:33:27,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 09:33:27,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 09:33:27,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 09:33:27,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 09:33:27,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 09:33:27,823 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 09:33:27,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 09:33:27,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 09:33:27,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 09:33:27,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 09:33:27,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 09:33:27,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 09:33:27,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 09:33:27,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 09:33:27,826 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 09:33:27,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 09:33:27,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 09:33:27,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 09:33:27,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 09:33:27,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 09:33:27,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 09:33:27,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 09:33:27,827 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 09:33:27,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 09:33:28,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 09:33:28,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 09:33:28,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 09:33:28,024 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 09:33:28,025 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 09:33:28,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2022-02-09 09:33:28,026 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2022-02-09 09:33:28,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 09:33:28,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 09:33:28,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 09:33:28,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 09:33:28,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 09:33:28,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/1) ... [2022-02-09 09:33:28,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/1) ... [2022-02-09 09:33:28,071 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 09:33:28,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 09:33:28,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 09:33:28,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 09:33:28,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 09:33:28,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/1) ... [2022-02-09 09:33:28,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/1) ... [2022-02-09 09:33:28,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/1) ... [2022-02-09 09:33:28,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/1) ... [2022-02-09 09:33:28,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/1) ... [2022-02-09 09:33:28,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/1) ... [2022-02-09 09:33:28,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/1) ... [2022-02-09 09:33:28,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 09:33:28,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 09:33:28,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 09:33:28,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 09:33:28,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/1) ... [2022-02-09 09:33:28,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 09:33:28,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:33:28,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 09:33:28,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 09:33:28,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 09:33:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 09:33:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 09:33:28,138 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 09:33:28,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 09:33:28,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 09:33:28,139 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 09:33:28,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 09:33:28,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 09:33:28,139 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 09:33:28,140 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 09:33:28,140 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 09:33:28,141 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 09:33:28,174 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 09:33:28,175 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 09:33:28,275 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 09:33:28,283 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 09:33:28,283 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 09:33:28,284 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 09:33:28 BoogieIcfgContainer [2022-02-09 09:33:28,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 09:33:28,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 09:33:28,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 09:33:28,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 09:33:28,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 09:33:28" (1/2) ... [2022-02-09 09:33:28,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717ae976 and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 09:33:28, skipping insertion in model container [2022-02-09 09:33:28,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 09:33:28" (2/2) ... [2022-02-09 09:33:28,291 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-02-09 09:33:28,297 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 09:33:28,297 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 09:33:28,297 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 09:33:28,298 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 09:33:28,343 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 09:33:28,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 09:33:28,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:33:28,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 09:33:28,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 09:33:28,411 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 09:33:28,418 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 09:33:28,419 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 09:33:28,563 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:33:28,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:33:28,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1712512607, now seen corresponding path program 1 times [2022-02-09 09:33:28,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:33:28,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156332252] [2022-02-09 09:33:28,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:28,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:33:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:28,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:33:28,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156332252] [2022-02-09 09:33:28,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156332252] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 09:33:28,670 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 09:33:28,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 09:33:28,670 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693759459] [2022-02-09 09:33:28,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 09:33:28,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 09:33:28,674 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:33:28,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 09:33:28,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 09:33:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:28,689 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:33:28,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:33:28,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:28,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:28,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 09:33:28,738 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:33:28,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:33:28,738 INFO L85 PathProgramCache]: Analyzing trace with hash 798562164, now seen corresponding path program 1 times [2022-02-09 09:33:28,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:33:28,738 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240419249] [2022-02-09 09:33:28,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:28,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:33:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:28,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:28,871 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:33:28,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240419249] [2022-02-09 09:33:28,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240419249] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:33:28,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093085432] [2022-02-09 09:33:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:28,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:28,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:33:28,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:33:28,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 09:33:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:28,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-09 09:33:28,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:33:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:29,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:33:29,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:29,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093085432] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:33:29,259 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:33:29,259 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-02-09 09:33:29,260 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072737612] [2022-02-09 09:33:29,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:33:29,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 09:33:29,261 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:33:29,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 09:33:29,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-02-09 09:33:29,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:29,262 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:33:29,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:33:29,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:29,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:29,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:29,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:29,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 09:33:29,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-02-09 09:33:29,653 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:33:29,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:33:29,654 INFO L85 PathProgramCache]: Analyzing trace with hash -647162114, now seen corresponding path program 1 times [2022-02-09 09:33:29,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:33:29,654 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921938045] [2022-02-09 09:33:29,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:29,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:33:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:29,755 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:33:29,755 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921938045] [2022-02-09 09:33:29,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921938045] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:33:29,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108157298] [2022-02-09 09:33:29,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:29,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:29,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:33:29,757 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:33:29,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 09:33:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:29,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-09 09:33:29,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:33:29,960 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-09 09:33:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:30,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:33:30,106 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:33:30,107 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 17 [2022-02-09 09:33:30,129 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2022-02-09 09:33:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:30,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108157298] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:33:30,173 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:33:30,173 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-02-09 09:33:30,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470316697] [2022-02-09 09:33:30,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:33:30,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 09:33:30,175 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:33:30,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 09:33:30,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-02-09 09:33:30,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:30,182 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:33:30,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:33:30,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:30,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:30,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:30,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:30,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:30,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:30,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 09:33:30,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:30,470 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:33:30,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:33:30,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2138608557, now seen corresponding path program 2 times [2022-02-09 09:33:30,471 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:33:30,471 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697487602] [2022-02-09 09:33:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:30,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:33:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:30,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:30,541 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:33:30,541 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697487602] [2022-02-09 09:33:30,541 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697487602] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:33:30,541 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092912115] [2022-02-09 09:33:30,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 09:33:30,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:30,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:33:30,543 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:33:30,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 09:33:30,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 09:33:30,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:33:30,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 09:33:30,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:33:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:30,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:33:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:30,795 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092912115] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:33:30,795 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:33:30,795 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-02-09 09:33:30,796 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904966229] [2022-02-09 09:33:30,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:33:30,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-09 09:33:30,796 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:33:30,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-09 09:33:30,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2022-02-09 09:33:30,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:30,798 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:33:30,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 17 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:33:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:30,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:33:31,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 09:33:31,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:31,266 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:33:31,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:33:31,267 INFO L85 PathProgramCache]: Analyzing trace with hash -531390017, now seen corresponding path program 3 times [2022-02-09 09:33:31,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:33:31,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408789730] [2022-02-09 09:33:31,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:31,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:33:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:31,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:31,446 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:33:31,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408789730] [2022-02-09 09:33:31,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408789730] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:33:31,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672973706] [2022-02-09 09:33:31,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 09:33:31,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:31,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:33:31,448 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:33:31,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 09:33:31,477 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-09 09:33:31,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:33:31,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-09 09:33:31,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:33:31,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:33:31,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:31,871 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2022-02-09 09:33:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:31,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:33:32,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:32,256 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:33:32,257 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 64 [2022-02-09 09:33:32,654 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:32,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672973706] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:33:32,654 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:33:32,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 13] total 29 [2022-02-09 09:33:32,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75231774] [2022-02-09 09:33:32,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:33:32,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-02-09 09:33:32,656 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:33:32,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-02-09 09:33:32,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2022-02-09 09:33:32,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:32,657 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:33:32,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.310344827586207) internal successors, (67), 29 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:33:32,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:32,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:32,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:32,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:33:32,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:33,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:33:33,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:33:33,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 09:33:33,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:33,316 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:33:33,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:33:33,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1540771939, now seen corresponding path program 1 times [2022-02-09 09:33:33,316 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:33:33,316 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635789800] [2022-02-09 09:33:33,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:33,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:33:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:33,830 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:33:33,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635789800] [2022-02-09 09:33:33,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635789800] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:33:33,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391009702] [2022-02-09 09:33:33,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:33,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:33,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:33:33,831 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 09:33:33,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 09:33:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:33,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-09 09:33:33,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:33:34,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:33:34,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:33:34,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:34,359 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2022-02-09 09:33:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:34,396 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:33:34,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:35,064 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-09 09:33:35,064 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 30 treesize of output 115 [2022-02-09 09:33:36,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:36,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:36,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:36,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:36,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:36,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:36,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:36,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:36,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:36,031 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:33:36,032 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 72 [2022-02-09 09:33:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:36,314 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391009702] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:33:36,314 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:33:36,314 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 16, 16] total 44 [2022-02-09 09:33:36,314 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198959706] [2022-02-09 09:33:36,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:33:36,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-09 09:33:36,317 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:33:36,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-09 09:33:36,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1737, Unknown=0, NotChecked=0, Total=1892 [2022-02-09 09:33:36,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:36,318 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:33:36,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.022727272727273) internal successors, (89), 44 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:33:36,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:36,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:36,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:36,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:33:36,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:33:36,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:33:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:33:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:33:39,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-09 09:33:39,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:39,796 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:33:39,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:33:39,796 INFO L85 PathProgramCache]: Analyzing trace with hash 653110642, now seen corresponding path program 2 times [2022-02-09 09:33:39,796 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:33:39,796 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292070178] [2022-02-09 09:33:39,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:39,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:33:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:39,896 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:39,897 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:33:39,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292070178] [2022-02-09 09:33:39,897 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292070178] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:33:39,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988852472] [2022-02-09 09:33:39,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 09:33:39,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:39,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:33:39,898 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) [2022-02-09 09:33:39,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 09:33:39,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 09:33:39,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:33:39,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-09 09:33:39,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:33:40,119 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:40,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:33:40,295 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:40,296 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988852472] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:33:40,296 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:33:40,296 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-09 09:33:40,296 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364150125] [2022-02-09 09:33:40,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:33:40,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-09 09:33:40,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:33:40,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-09 09:33:40,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-09 09:33:40,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:40,297 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:33:40,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.3333333333333335) internal successors, (90), 27 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:33:40,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:40,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:40,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:40,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:33:40,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:33:40,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:33:40,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:33:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:33:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:33:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:33:40,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-09 09:33:41,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:41,058 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:33:41,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:33:41,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1329615374, now seen corresponding path program 3 times [2022-02-09 09:33:41,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:33:41,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881230559] [2022-02-09 09:33:41,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:41,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:33:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:41,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:33:41,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881230559] [2022-02-09 09:33:41,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881230559] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:33:41,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249645911] [2022-02-09 09:33:41,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 09:33:41,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:41,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:33:41,155 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) [2022-02-09 09:33:41,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 09:33:41,186 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-09 09:33:41,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:33:41,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-09 09:33:41,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:33:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:41,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:33:41,634 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:41,635 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249645911] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:33:41,635 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:33:41,635 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 32 [2022-02-09 09:33:41,635 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130016847] [2022-02-09 09:33:41,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:33:41,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-09 09:33:41,635 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:33:41,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-09 09:33:41,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=796, Unknown=0, NotChecked=0, Total=992 [2022-02-09 09:33:41,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:41,636 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:33:41,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.1875) internal successors, (102), 32 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:33:41,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:41,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:41,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:41,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:33:41,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:33:41,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:33:41,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:33:41,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:33:41,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:33:41,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:33:41,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:33:41,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:33:41,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:33:41,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:33:41,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:33:41,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:33:41,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 09:33:42,149 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,SelfDestructingSolverStorable7 [2022-02-09 09:33:42,150 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:33:42,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:33:42,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1866690493, now seen corresponding path program 4 times [2022-02-09 09:33:42,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:33:42,150 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812989071] [2022-02-09 09:33:42,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:33:42,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:33:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:33:42,912 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:42,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:33:42,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812989071] [2022-02-09 09:33:42,913 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812989071] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:33:42,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259929867] [2022-02-09 09:33:42,913 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 09:33:42,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:33:42,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:33:42,920 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) [2022-02-09 09:33:42,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 09:33:42,946 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 09:33:42,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:33:42,947 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-09 09:33:42,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:33:44,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:44,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:33:44,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:33:44,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:33:44,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:33:44,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:33:44,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:33:44,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:44,196 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 25 [2022-02-09 09:33:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:33:44,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:33:45,009 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:45,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:45,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:45,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:45,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:45,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:33:45,310 INFO L353 Elim1Store]: treesize reduction 142, result has 66.3 percent of original size [2022-02-09 09:33:45,310 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 39 case distinctions, treesize of input 49 treesize of output 294 [2022-02-09 09:34:05,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:05,977 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:34:05,978 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 124 [2022-02-09 09:34:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:34:06,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259929867] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:34:06,412 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:34:06,412 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 49 [2022-02-09 09:34:06,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113047872] [2022-02-09 09:34:06,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:34:06,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-02-09 09:34:06,412 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:34:06,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-02-09 09:34:06,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=2206, Unknown=0, NotChecked=0, Total=2352 [2022-02-09 09:34:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:34:06,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:34:06,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.9387755102040816) internal successors, (95), 49 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:34:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:34:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:34:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:34:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:34:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:34:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:34:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:34:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:34:06,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:34:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:34:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:34:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:34:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:34:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:34:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:34:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:34:09,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:34:09,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:34:09,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 09:34:09,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:34:09,311 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:34:09,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:34:09,312 INFO L85 PathProgramCache]: Analyzing trace with hash -705145326, now seen corresponding path program 5 times [2022-02-09 09:34:09,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:34:09,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217288841] [2022-02-09 09:34:09,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:34:09,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:34:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:34:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 22 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:34:09,437 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:34:09,437 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217288841] [2022-02-09 09:34:09,437 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217288841] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:34:09,437 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145798184] [2022-02-09 09:34:09,437 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 09:34:09,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:34:09,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:34:09,438 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) [2022-02-09 09:34:09,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 09:34:09,470 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-02-09 09:34:09,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:34:09,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-09 09:34:09,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:34:09,750 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 35 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:34:09,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:34:10,043 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 35 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:34:10,044 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145798184] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:34:10,044 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:34:10,044 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 39 [2022-02-09 09:34:10,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983194253] [2022-02-09 09:34:10,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:34:10,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-09 09:34:10,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:34:10,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-09 09:34:10,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1219, Unknown=0, NotChecked=0, Total=1482 [2022-02-09 09:34:10,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:34:10,045 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:34:10,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.230769230769231) internal successors, (126), 39 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:34:10,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:34:10,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:34:10,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:34:10,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:34:10,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:34:10,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:34:10,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:34:10,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:34:10,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:34:10,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:34:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:34:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:34:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:34:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:34:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:34:10,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:34:10,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:34:10,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:34:10,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:34:10,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:34:10,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-09 09:34:11,146 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,SelfDestructingSolverStorable9 [2022-02-09 09:34:11,147 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:34:11,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:34:11,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1760469358, now seen corresponding path program 6 times [2022-02-09 09:34:11,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:34:11,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004379094] [2022-02-09 09:34:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:34:11,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:34:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:34:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 36 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:34:11,295 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:34:11,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004379094] [2022-02-09 09:34:11,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004379094] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:34:11,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696383082] [2022-02-09 09:34:11,295 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 09:34:11,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:34:11,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:34:11,297 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) [2022-02-09 09:34:11,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 09:34:11,326 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-09 09:34:11,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:34:11,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 09:34:11,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:34:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 36 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:34:11,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:34:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 52 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:34:11,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696383082] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:34:11,974 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:34:11,974 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 44 [2022-02-09 09:34:11,974 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979273033] [2022-02-09 09:34:11,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:34:11,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-09 09:34:11,975 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:34:11,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-09 09:34:11,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=1536, Unknown=0, NotChecked=0, Total=1892 [2022-02-09 09:34:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:34:11,976 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:34:11,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.1363636363636362) internal successors, (138), 44 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:34:11,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:34:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:34:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:34:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:34:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:34:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:34:12,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:34:12,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:34:12,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:34:12,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:34:12,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:34:12,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:34:12,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-09 09:34:12,567 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,SelfDestructingSolverStorable10 [2022-02-09 09:34:12,567 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:34:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:34:12,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1830696995, now seen corresponding path program 7 times [2022-02-09 09:34:12,568 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:34:12,568 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799358181] [2022-02-09 09:34:12,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:34:12,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:34:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:34:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:34:13,721 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:34:13,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799358181] [2022-02-09 09:34:13,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799358181] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:34:13,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427496343] [2022-02-09 09:34:13,721 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 09:34:13,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:34:13,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:34:13,722 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) [2022-02-09 09:34:13,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 09:34:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:34:13,751 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjunts are in the unsatisfiable core [2022-02-09 09:34:13,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:34:15,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:34:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:34:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:34:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:34:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:34:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:34:15,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:34:15,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:15,613 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 38 [2022-02-09 09:34:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:34:15,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:34:17,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:17,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:34:18,132 INFO L353 Elim1Store]: treesize reduction 310, result has 63.3 percent of original size [2022-02-09 09:34:18,133 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 15 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 76 case distinctions, treesize of input 69 treesize of output 554 [2022-02-09 09:35:44,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,082 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,084 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,085 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,101 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,102 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,103 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,104 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,107 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,111 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,112 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:35:44,165 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:35:44,165 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 77 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 69 treesize of output 176 [2022-02-09 09:35:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:35:44,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427496343] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:35:44,698 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:35:44,698 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 65 [2022-02-09 09:35:44,698 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532500289] [2022-02-09 09:35:44,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:35:44,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-09 09:35:44,698 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:35:44,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-09 09:35:44,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=3970, Unknown=0, NotChecked=0, Total=4160 [2022-02-09 09:35:44,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:35:44,699 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:35:44,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.8307692307692307) internal successors, (119), 65 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:35:44,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:35:51,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:35:51,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:35:51,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 09:35:51,222 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,SelfDestructingSolverStorable11 [2022-02-09 09:35:51,224 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:35:51,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:35:51,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1961809586, now seen corresponding path program 8 times [2022-02-09 09:35:51,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:35:51,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936278919] [2022-02-09 09:35:51,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:35:51,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:35:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:35:51,373 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 51 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:35:51,373 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:35:51,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936278919] [2022-02-09 09:35:51,373 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936278919] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:35:51,373 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016197970] [2022-02-09 09:35:51,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 09:35:51,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:35:51,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:35:51,374 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) [2022-02-09 09:35:51,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 09:35:51,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 09:35:51,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:35:51,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-09 09:35:51,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:35:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:35:51,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:35:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:35:52,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016197970] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:35:52,198 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:35:52,198 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2022-02-09 09:35:52,198 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841274765] [2022-02-09 09:35:52,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:35:52,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-02-09 09:35:52,199 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:35:52,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-02-09 09:35:52,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=2107, Unknown=0, NotChecked=0, Total=2550 [2022-02-09 09:35:52,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:35:52,200 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:35:52,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.176470588235294) internal successors, (162), 51 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:35:52,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:35:52,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:35:52,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:35:52,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:35:52,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:35:52,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:35:52,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:35:52,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:35:52,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:35:52,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:35:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:35:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:35:52,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:35:53,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:35:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:35:53,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-09 09:35:53,756 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,SelfDestructingSolverStorable12 [2022-02-09 09:35:53,757 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:35:53,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:35:53,757 INFO L85 PathProgramCache]: Analyzing trace with hash -754129102, now seen corresponding path program 9 times [2022-02-09 09:35:53,757 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:35:53,757 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271519339] [2022-02-09 09:35:53,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:35:53,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:35:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:35:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 71 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:35:53,924 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:35:53,924 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271519339] [2022-02-09 09:35:53,924 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271519339] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:35:53,924 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497361738] [2022-02-09 09:35:53,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 09:35:53,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:35:53,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:35:53,925 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) [2022-02-09 09:35:53,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-09 09:35:53,956 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-02-09 09:35:53,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:35:53,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-09 09:35:53,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:35:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 71 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:35:54,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:35:54,828 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 93 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:35:54,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497361738] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:35:54,828 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:35:54,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 56 [2022-02-09 09:35:54,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041120839] [2022-02-09 09:35:54,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:35:54,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-09 09:35:54,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:35:54,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-09 09:35:54,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2516, Unknown=0, NotChecked=0, Total=3080 [2022-02-09 09:35:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:35:54,830 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:35:54,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.107142857142857) internal successors, (174), 56 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:35:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:35:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:35:55,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:35:55,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:35:55,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:35:55,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:35:55,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:35:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:35:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:35:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:35:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:35:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:35:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:35:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:35:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:35:55,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 09:35:55,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-02-09 09:35:55,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:35:55,551 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:35:55,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:35:55,551 INFO L85 PathProgramCache]: Analyzing trace with hash 887797757, now seen corresponding path program 10 times [2022-02-09 09:35:55,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:35:55,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160095925] [2022-02-09 09:35:55,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:35:55,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:35:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:35:57,338 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:35:57,338 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:35:57,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160095925] [2022-02-09 09:35:57,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160095925] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:35:57,338 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382400435] [2022-02-09 09:35:57,338 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 09:35:57,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:35:57,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:35:57,339 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) [2022-02-09 09:35:57,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-09 09:35:57,369 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 09:35:57,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:35:57,370 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2022-02-09 09:35:57,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:36:00,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:36:00,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:00,040 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 36 disjoint index pairs (out of 55 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 44 [2022-02-09 09:36:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:36:00,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:36:02,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:02,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:36:04,605 INFO L353 Elim1Store]: treesize reduction 542, result has 61.6 percent of original size [2022-02-09 09:36:04,605 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 28 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 125 case distinctions, treesize of input 89 treesize of output 894 [2022-02-09 09:44:38,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,433 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,434 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,435 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,441 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,442 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,444 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,446 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,447 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,450 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,461 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,482 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,484 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:44:38,557 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 09:44:38,557 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 135 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 18 case distinctions, treesize of input 89 treesize of output 228 [2022-02-09 09:44:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:44:39,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382400435] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:44:39,339 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:44:39,339 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40, 40] total 81 [2022-02-09 09:44:39,339 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035336063] [2022-02-09 09:44:39,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:44:39,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-02-09 09:44:39,339 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:44:39,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-02-09 09:44:39,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=6246, Unknown=0, NotChecked=0, Total=6480 [2022-02-09 09:44:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:44:39,341 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:44:39,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 1.7654320987654322) internal successors, (143), 81 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:44:39,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:44:39,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-09 09:44:39,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:44:55,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 09:44:55,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-09 09:44:55,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-02-09 09:44:55,711 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,SelfDestructingSolverStorable14 [2022-02-09 09:44:55,711 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:44:55,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:44:55,712 INFO L85 PathProgramCache]: Analyzing trace with hash 148320082, now seen corresponding path program 11 times [2022-02-09 09:44:55,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:44:55,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482166332] [2022-02-09 09:44:55,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:44:55,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:44:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:44:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 92 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:44:55,918 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:44:55,918 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482166332] [2022-02-09 09:44:55,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482166332] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:44:55,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562215544] [2022-02-09 09:44:55,919 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 09:44:55,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:44:55,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:44:55,920 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) [2022-02-09 09:44:55,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-09 09:44:55,960 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-02-09 09:44:55,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:44:55,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-09 09:44:55,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:44:56,511 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 117 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:44:56,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:44:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 117 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:44:57,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562215544] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:44:57,087 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:44:57,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 63 [2022-02-09 09:44:57,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905228354] [2022-02-09 09:44:57,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:44:57,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-09 09:44:57,087 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:44:57,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-09 09:44:57,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=671, Invalid=3235, Unknown=0, NotChecked=0, Total=3906 [2022-02-09 09:44:57,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:44:57,089 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:44:57,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.142857142857143) internal successors, (198), 63 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:44:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-09 09:44:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-09 09:44:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:44:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-09 09:44:58,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-02-09 09:44:58,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-09 09:44:59,178 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,SelfDestructingSolverStorable15 [2022-02-09 09:44:59,178 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:44:59,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:44:59,178 INFO L85 PathProgramCache]: Analyzing trace with hash 221792210, now seen corresponding path program 12 times [2022-02-09 09:44:59,178 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:44:59,179 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297533669] [2022-02-09 09:44:59,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:44:59,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:44:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:44:59,423 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 118 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:44:59,424 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:44:59,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297533669] [2022-02-09 09:44:59,424 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297533669] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:44:59,424 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690110381] [2022-02-09 09:44:59,424 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 09:44:59,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:44:59,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:44:59,425 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) [2022-02-09 09:44:59,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-09 09:44:59,463 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2022-02-09 09:44:59,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 09:44:59,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjunts are in the unsatisfiable core [2022-02-09 09:44:59,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:45:00,054 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 118 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:45:00,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:45:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 146 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:45:00,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690110381] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 09:45:00,721 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 09:45:00,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 68 [2022-02-09 09:45:00,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798084021] [2022-02-09 09:45:00,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 09:45:00,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-02-09 09:45:00,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 09:45:00,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-02-09 09:45:00,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=3736, Unknown=0, NotChecked=0, Total=4556 [2022-02-09 09:45:00,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:45:00,723 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 09:45:00,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 3.088235294117647) internal successors, (210), 68 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 09:45:00,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:45:00,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:45:00,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:45:00,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:45:00,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:45:00,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:45:00,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:45:00,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:45:00,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:45:00,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:45:00,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:45:00,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:45:00,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:45:00,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-02-09 09:45:00,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-02-09 09:45:00,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-02-09 09:45:00,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 09:45:01,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 09:45:01,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-02-09 09:45:01,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-09 09:45:01,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-09 09:45:01,572 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,SelfDestructingSolverStorable16 [2022-02-09 09:45:01,572 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 09:45:01,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 09:45:01,573 INFO L85 PathProgramCache]: Analyzing trace with hash 583286813, now seen corresponding path program 13 times [2022-02-09 09:45:01,573 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 09:45:01,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863686093] [2022-02-09 09:45:01,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 09:45:01,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 09:45:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:45:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:45:03,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 09:45:03,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863686093] [2022-02-09 09:45:03,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863686093] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 09:45:03,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008464257] [2022-02-09 09:45:03,945 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 09:45:03,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 09:45:03,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 09:45:03,946 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) [2022-02-09 09:45:03,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-09 09:45:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 09:45:03,980 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2022-02-09 09:45:03,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 09:45:08,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 09:45:08,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:08,636 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 32 [2022-02-09 09:45:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 09:45:08,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 09:45:15,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:15,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 09:45:19,810 INFO L353 Elim1Store]: treesize reduction 838, result has 60.6 percent of original size [2022-02-09 09:45:19,811 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 45 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 186 case distinctions, treesize of input 109 treesize of output 1314 Received shutdown request... [2022-02-09 09:47:28,657 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-09 09:47:28,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-02-09 09:47:28,681 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 [2022-02-09 09:47:28,681 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 [2022-02-09 09:47:28,681 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 09:47:28,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-09 09:47:28,871 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. [2022-02-09 09:47:28,873 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 09:47:28,873 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 09:47:28,873 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 09:47:28,877 INFO L732 BasicCegarLoop]: Path program histogram: [13, 3, 1, 1] [2022-02-09 09:47:28,879 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 09:47:28,879 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 09:47:28,881 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 09:47:28 BasicIcfg [2022-02-09 09:47:28,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 09:47:28,881 INFO L158 Benchmark]: Toolchain (without parser) took 840829.76ms. Allocated memory was 175.1MB in the beginning and 577.8MB in the end (delta: 402.7MB). Free memory was 134.2MB in the beginning and 280.1MB in the end (delta: -145.9MB). Peak memory consumption was 382.5MB. Max. memory is 8.0GB. [2022-02-09 09:47:28,881 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 175.1MB. Free memory was 135.4MB in the beginning and 135.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 09:47:28,882 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.51ms. Allocated memory is still 175.1MB. Free memory was 134.2MB in the beginning and 132.7MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-09 09:47:28,882 INFO L158 Benchmark]: Boogie Preprocessor took 13.63ms. Allocated memory is still 175.1MB. Free memory was 132.6MB in the beginning and 131.6MB in the end (delta: 908.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 09:47:28,882 INFO L158 Benchmark]: RCFGBuilder took 197.31ms. Allocated memory is still 175.1MB. Free memory was 131.6MB in the beginning and 122.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-09 09:47:28,882 INFO L158 Benchmark]: TraceAbstraction took 840595.48ms. Allocated memory was 175.1MB in the beginning and 577.8MB in the end (delta: 402.7MB). Free memory was 122.2MB in the beginning and 280.1MB in the end (delta: -157.9MB). Peak memory consumption was 368.9MB. Max. memory is 8.0GB. [2022-02-09 09:47:28,885 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 175.1MB. Free memory was 135.4MB in the beginning and 135.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.51ms. Allocated memory is still 175.1MB. Free memory was 134.2MB in the beginning and 132.7MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.63ms. Allocated memory is still 175.1MB. Free memory was 132.6MB in the beginning and 131.6MB in the end (delta: 908.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 197.31ms. Allocated memory is still 175.1MB. Free memory was 131.6MB in the beginning and 122.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 840595.48ms. Allocated memory was 175.1MB in the beginning and 577.8MB in the end (delta: 402.7MB). Free memory was 122.2MB in the beginning and 280.1MB in the end (delta: -157.9MB). Peak memory consumption was 368.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6999, positive: 5657, positive conditional: 5657, positive unconditional: 0, negative: 1342, negative conditional: 1342, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5657, positive: 5657, positive conditional: 5657, 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: 5657, positive: 5657, positive conditional: 5657, 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: 5657, positive: 5657, positive conditional: 5180, positive unconditional: 477, 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: 5657, positive: 5657, positive conditional: 5127, positive unconditional: 530, 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: 5657, positive: 5657, positive conditional: 5127, positive unconditional: 530, 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: 75, positive: 75, positive conditional: 0, positive unconditional: 75, 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: 75, positive: 74, positive conditional: 0, positive unconditional: 74, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5657, positive: 5582, positive conditional: 5127, positive unconditional: 455, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 75, unknown conditional: 0, unknown unconditional: 75] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 53, Maximal queried relation: 0, Independence queries for same thread: 1342 - 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 53]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 85 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-10-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-9-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 840.5s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 36.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 613, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 652.8s InterpolantComputationTime, 1614 NumberOfCodeBlocks, 1614 NumberOfCodeBlocksAsserted, 82 NumberOfCheckSat, 2363 ConstructedInterpolants, 83 QuantifiedInterpolants, 47276 SizeOfPredicates, 140 NumberOfNonLiveVariables, 1586 ConjunctsInSsa, 413 ConjunctsInUnsatCore, 49 InterpolantComputations, 1 PerfectInterpolantSequences, 1430/4605 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