/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 05:01:05,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 05:01:05,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 05:01:05,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 05:01:05,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 05:01:05,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 05:01:05,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 05:01:05,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 05:01:05,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 05:01:05,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 05:01:05,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 05:01:05,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 05:01:05,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 05:01:05,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 05:01:05,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 05:01:05,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 05:01:05,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 05:01:05,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 05:01:05,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 05:01:05,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 05:01:05,797 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-19 05:01:05,822 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 05:01:05,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 05:01:05,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 05:01:05,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 05:01:05,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 05:01:05,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 05:01:05,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 05:01:05,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 05:01:05,824 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 05:01:05,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 05:01:05,824 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 05:01:05,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 05:01:05,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 05:01:05,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 05:01:05,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 05:01:05,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 05:01:05,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 05:01:05,826 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 05:01:05,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 05:01:05,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 05:01:05,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 05:01:05,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 05:01:05,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 05:01:05,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 05:01:05,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 05:01:05,827 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 05:01:05,827 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 05:01:05,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 05:01:06,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 05:01:06,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 05:01:06,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 05:01:06,049 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 05:01:06,050 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 05:01:06,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2022-02-19 05:01:06,051 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2022-02-19 05:01:06,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 05:01:06,071 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 05:01:06,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 05:01:06,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 05:01:06,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 05:01:06,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/1) ... [2022-02-19 05:01:06,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/1) ... [2022-02-19 05:01:06,088 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 05:01:06,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 05:01:06,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 05:01:06,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 05:01:06,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 05:01:06,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/1) ... [2022-02-19 05:01:06,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/1) ... [2022-02-19 05:01:06,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/1) ... [2022-02-19 05:01:06,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/1) ... [2022-02-19 05:01:06,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/1) ... [2022-02-19 05:01:06,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/1) ... [2022-02-19 05:01:06,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/1) ... [2022-02-19 05:01:06,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 05:01:06,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 05:01:06,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 05:01:06,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 05:01:06,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/1) ... [2022-02-19 05:01:06,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 05:01:06,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:01:06,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 05:01:06,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 05:01:06,163 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 05:01:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 05:01:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 05:01:06,164 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 05:01:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 05:01:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 05:01:06,164 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 05:01:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 05:01:06,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 05:01:06,164 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 05:01:06,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 05:01:06,165 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 05:01:06,165 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 05:01:06,199 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 05:01:06,200 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 05:01:06,298 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 05:01:06,307 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 05:01:06,308 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 05:01:06,309 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:01:06 BoogieIcfgContainer [2022-02-19 05:01:06,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 05:01:06,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 05:01:06,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 05:01:06,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 05:01:06,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 05:01:06" (1/2) ... [2022-02-19 05:01:06,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281cd238 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:01:06, skipping insertion in model container [2022-02-19 05:01:06,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:01:06" (2/2) ... [2022-02-19 05:01:06,318 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2022-02-19 05:01:06,324 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 05:01:06,325 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 05:01:06,325 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 05:01:06,325 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 05:01:06,371 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 05:01:06,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 05:01:06,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:01:06,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 05:01:06,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 05:01:06,480 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 05:01:06,494 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-19 05:01:06,494 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 05:01:06,614 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:01:06,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:01:06,618 INFO L85 PathProgramCache]: Analyzing trace with hash -234537446, now seen corresponding path program 1 times [2022-02-19 05:01:06,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:01:06,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886861443] [2022-02-19 05:01:06,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:06,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:01:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:06,753 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:01:06,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886861443] [2022-02-19 05:01:06,754 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886861443] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 05:01:06,754 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 05:01:06,754 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 05:01:06,755 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332353013] [2022-02-19 05:01:06,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 05:01:06,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 05:01:06,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:01:06,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 05:01:06,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-19 05:01:06,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:06,813 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:01:06,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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) [2022-02-19 05:01:06,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:06,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:06,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 05:01:06,906 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:01:06,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:01:06,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1872873864, now seen corresponding path program 1 times [2022-02-19 05:01:06,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:01:06,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881253559] [2022-02-19 05:01:06,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:06,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:01:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:06,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 05:01:06,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:01:06,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881253559] [2022-02-19 05:01:06,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881253559] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 05:01:06,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 05:01:06,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 05:01:06,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980082119] [2022-02-19 05:01:06,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 05:01:06,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 05:01:06,953 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:01:06,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 05:01:06,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 05:01:06,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:06,954 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:01:06,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:01:06,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:06,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:07,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:07,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:07,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 05:01:07,008 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:01:07,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:01:07,009 INFO L85 PathProgramCache]: Analyzing trace with hash 196648534, now seen corresponding path program 1 times [2022-02-19 05:01:07,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:01:07,009 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857071106] [2022-02-19 05:01:07,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:07,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:01:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:07,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:07,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:01:07,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857071106] [2022-02-19 05:01:07,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857071106] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:01:07,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587808572] [2022-02-19 05:01:07,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:07,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:07,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:01:07,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:01:07,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 05:01:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:07,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-19 05:01:07,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:01:07,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:07,675 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 15 treesize of output 11 [2022-02-19 05:01:07,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:07,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:01:07,811 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 05:01:07,811 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 [2022-02-19 05:01:07,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:07,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587808572] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:01:07,958 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:01:07,958 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2022-02-19 05:01:07,959 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818603177] [2022-02-19 05:01:07,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:01:07,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-19 05:01:07,961 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:01:07,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-19 05:01:07,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-02-19 05:01:07,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:07,967 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:01:07,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 17 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:01:07,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:07,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:07,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:08,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 05:01:08,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-19 05:01:08,312 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:01:08,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:01:08,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1778530228, now seen corresponding path program 2 times [2022-02-19 05:01:08,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:01:08,313 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131042672] [2022-02-19 05:01:08,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:08,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:01:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:08,391 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:01:08,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131042672] [2022-02-19 05:01:08,392 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131042672] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:01:08,392 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953887264] [2022-02-19 05:01:08,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 05:01:08,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:08,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:01:08,393 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:01:08,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 05:01:08,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 05:01:08,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 05:01:08,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 05:01:08,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:01:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:08,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:01:08,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:08,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953887264] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:01:08,611 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:01:08,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-19 05:01:08,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134631328] [2022-02-19 05:01:08,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:01:08,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-19 05:01:08,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:01:08,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-19 05:01:08,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-19 05:01:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:08,614 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:01:08,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:01:08,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:08,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:08,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:08,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:08,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:08,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 05:01:09,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:09,042 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:01:09,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:01:09,042 INFO L85 PathProgramCache]: Analyzing trace with hash -485803280, now seen corresponding path program 1 times [2022-02-19 05:01:09,042 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:01:09,043 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962594581] [2022-02-19 05:01:09,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:09,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:01:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 05:01:09,091 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:01:09,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962594581] [2022-02-19 05:01:09,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962594581] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:01:09,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875758031] [2022-02-19 05:01:09,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:09,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:09,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:01:09,093 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:01:09,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 05:01:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:09,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 05:01:09,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:01:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 05:01:09,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:01:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 05:01:09,298 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875758031] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:01:09,298 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:01:09,298 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-19 05:01:09,298 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602051197] [2022-02-19 05:01:09,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:01:09,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-19 05:01:09,299 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:01:09,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-19 05:01:09,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-19 05:01:09,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:09,299 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:01:09,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 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) [2022-02-19 05:01:09,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:09,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:09,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:09,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:09,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:09,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:09,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:09,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:01:09,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-19 05:01:09,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:09,638 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:01:09,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:01:09,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1400384050, now seen corresponding path program 2 times [2022-02-19 05:01:09,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:01:09,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913408013] [2022-02-19 05:01:09,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:09,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:01:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:09,982 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:01:09,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913408013] [2022-02-19 05:01:09,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913408013] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:01:09,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636474280] [2022-02-19 05:01:09,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 05:01:09,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:09,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:01:09,985 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:01:10,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 05:01:10,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 05:01:10,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 05:01:10,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-19 05:01:10,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:01:10,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:01:10,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:01:10,463 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:10,464 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 32 treesize of output 20 [2022-02-19 05:01:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:10,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:01:10,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:10,946 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-19 05:01:10,946 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 31 treesize of output 116 [2022-02-19 05:01:12,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:12,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:12,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:12,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:12,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:12,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:12,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:12,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:12,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:12,092 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 05:01:12,093 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 30 treesize of output 73 [2022-02-19 05:01:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:12,417 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636474280] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:01:12,417 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:01:12,417 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 31 [2022-02-19 05:01:12,417 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092502697] [2022-02-19 05:01:12,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:01:12,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-19 05:01:12,418 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:01:12,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-19 05:01:12,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=827, Unknown=0, NotChecked=0, Total=930 [2022-02-19 05:01:12,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:12,419 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:01:12,419 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 31 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:01:12,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:12,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:12,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:12,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:12,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:01:12,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:13,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:13,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:13,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:13,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:13,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:01:13,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:13,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-19 05:01:13,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:13,765 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:01:13,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:01:13,766 INFO L85 PathProgramCache]: Analyzing trace with hash 155791660, now seen corresponding path program 3 times [2022-02-19 05:01:13,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:01:13,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306438740] [2022-02-19 05:01:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:13,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:01:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:13,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:01:13,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306438740] [2022-02-19 05:01:13,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306438740] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:01:13,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235481658] [2022-02-19 05:01:13,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 05:01:13,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:13,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:01:13,847 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:01:13,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 05:01:13,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-19 05:01:13,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 05:01:13,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-19 05:01:13,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:01:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:14,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:01:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:14,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235481658] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:01:14,260 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:01:14,260 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-19 05:01:14,260 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155031607] [2022-02-19 05:01:14,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:01:14,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-19 05:01:14,260 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:01:14,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-19 05:01:14,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-19 05:01:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:14,261 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:01:14,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.6296296296296298) internal successors, (71), 27 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:01:14,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:14,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:14,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:14,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:14,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:01:14,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:14,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:01:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:01:14,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 05:01:14,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:14,992 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:01:14,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:01:14,993 INFO L85 PathProgramCache]: Analyzing trace with hash 717797480, now seen corresponding path program 4 times [2022-02-19 05:01:14,993 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:01:14,993 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041970560] [2022-02-19 05:01:14,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:14,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:01:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 05:01:15,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:01:15,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041970560] [2022-02-19 05:01:15,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041970560] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:01:15,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280674067] [2022-02-19 05:01:15,063 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 05:01:15,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:15,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:01:15,065 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:01:15,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 05:01:15,089 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 05:01:15,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 05:01:15,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-19 05:01:15,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:01:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 05:01:15,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:01:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 05:01:15,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280674067] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:01:15,362 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:01:15,362 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2022-02-19 05:01:15,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124840764] [2022-02-19 05:01:15,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:01:15,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-19 05:01:15,362 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:01:15,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-19 05:01:15,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-02-19 05:01:15,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:15,363 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:01:15,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:01:15,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:15,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:15,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:15,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:15,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:01:15,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:15,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:01:15,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:01:15,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:01:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:01:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:01:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:01:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:01:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:01:15,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:01:15,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 05:01:15,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:15,756 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:01:15,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:01:15,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1986237766, now seen corresponding path program 5 times [2022-02-19 05:01:15,756 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:01:15,757 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959405385] [2022-02-19 05:01:15,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:01:15,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:01:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:01:16,194 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:16,194 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:01:16,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959405385] [2022-02-19 05:01:16,194 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959405385] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:01:16,194 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077801353] [2022-02-19 05:01:16,194 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 05:01:16,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:01:16,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:01:16,196 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:01:16,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 05:01:16,230 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-19 05:01:16,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 05:01:16,231 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 49 conjunts are in the unsatisfiable core [2022-02-19 05:01:16,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:01:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:01:17,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:01:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:01:17,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:01:17,080 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2022-02-19 05:01:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:01:17,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:01:18,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,043 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:01:18,230 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 05:01:18,230 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 12 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 33 case distinctions, treesize of input 98 treesize of output 371 [2022-02-19 05:03:51,898 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:03:51,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077801353] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:03:51,898 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:03:51,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 45 [2022-02-19 05:03:51,898 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33306810] [2022-02-19 05:03:51,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:03:51,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-19 05:03:51,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:03:51,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-19 05:03:51,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1781, Unknown=0, NotChecked=0, Total=1980 [2022-02-19 05:03:51,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:03:51,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:03:51,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.1555555555555554) internal successors, (97), 45 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:03:51,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:03:51,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:03:51,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:03:51,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:03:51,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:03:51,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:03:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:03:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:03:51,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:03:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:03:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:03:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:03:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:03:53,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:03:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:03:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:03:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:03:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 05:03:53,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-19 05:03:53,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-19 05:03:53,668 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:03:53,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:03:53,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1662599294, now seen corresponding path program 6 times [2022-02-19 05:03:53,668 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:03:53,668 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497755051] [2022-02-19 05:03:53,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:03:53,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:03:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:03:54,223 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:03:54,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:03:54,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497755051] [2022-02-19 05:03:54,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497755051] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:03:54,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504650005] [2022-02-19 05:03:54,223 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 05:03:54,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:03:54,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:03:54,224 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:03:54,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 05:03:54,271 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-02-19 05:03:54,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 05:03:54,272 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 60 conjunts are in the unsatisfiable core [2022-02-19 05:03:54,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:03:55,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:03:55,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:03:55,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:03:55,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:03:55,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:03:55,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:03:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:03:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:03:55,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:03:55,558 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 05:03:55,558 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 12 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 66 treesize of output 260 [2022-02-19 05:04:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:04:00,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:04:02,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:04:02,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:04:02,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:04:02,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:04:02,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:04:02,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:04:03,394 INFO L353 Elim1Store]: treesize reduction 100, result has 77.1 percent of original size [2022-02-19 05:04:03,394 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 56 case distinctions, treesize of input 113 treesize of output 366 [2022-02-19 05:05:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:05:52,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504650005] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:05:52,807 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:05:52,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 55 [2022-02-19 05:05:52,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348313605] [2022-02-19 05:05:52,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:05:52,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-02-19 05:05:52,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:05:52,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-02-19 05:05:52,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2776, Unknown=0, NotChecked=0, Total=2970 [2022-02-19 05:05:52,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:05:52,809 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:05:52,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.9636363636363636) internal successors, (108), 55 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:05:52,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:05:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:05:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:05:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:05:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:05:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:05:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:05:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:05:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 05:05:52,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:05:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:05:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:05:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:05:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:05:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:05:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:05:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:05:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:05:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 05:05:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-19 05:05:56,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-19 05:05:56,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-19 05:05:56,854 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:05:56,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:05:56,855 INFO L85 PathProgramCache]: Analyzing trace with hash 2079005886, now seen corresponding path program 7 times [2022-02-19 05:05:56,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:05:56,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573731940] [2022-02-19 05:05:56,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:05:56,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:05:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:05:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:05:56,981 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:05:56,981 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573731940] [2022-02-19 05:05:56,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573731940] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:05:56,981 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788154194] [2022-02-19 05:05:56,981 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 05:05:56,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:05:56,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:05:56,982 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:05:56,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 05:05:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:05:57,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-19 05:05:57,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:05:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:05:57,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:05:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:05:57,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788154194] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:05:57,650 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:05:57,650 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-02-19 05:05:57,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916059991] [2022-02-19 05:05:57,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:05:57,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-02-19 05:05:57,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:05:57,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-02-19 05:05:57,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=1850, Unknown=0, NotChecked=0, Total=2256 [2022-02-19 05:05:57,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:05:57,651 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:05:57,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.375) internal successors, (114), 48 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-19 05:05:57,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:05:58,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:05:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:05:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:05:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:05:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:05:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:05:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:05:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:05:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 05:05:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-19 05:05:58,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-19 05:05:58,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-19 05:05:59,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-19 05:05:59,092 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:05:59,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:05:59,092 INFO L85 PathProgramCache]: Analyzing trace with hash -713231340, now seen corresponding path program 8 times [2022-02-19 05:05:59,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:05:59,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457907377] [2022-02-19 05:05:59,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:05:59,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:05:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:05:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 68 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:05:59,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:05:59,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457907377] [2022-02-19 05:05:59,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457907377] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:05:59,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633442069] [2022-02-19 05:05:59,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 05:05:59,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:05:59,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:05:59,282 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:05:59,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-19 05:05:59,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 05:05:59,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 05:05:59,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-19 05:05:59,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:05:59,677 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-19 05:05:59,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:05:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-19 05:05:59,949 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1633442069] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:05:59,949 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:05:59,949 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 50 [2022-02-19 05:05:59,950 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880913888] [2022-02-19 05:05:59,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:05:59,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-02-19 05:05:59,950 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:05:59,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-02-19 05:05:59,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2022-02-19 05:05:59,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:05:59,951 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:05:59,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:05:59,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:05:59,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:05:59,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:05:59,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:05:59,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:05:59,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:05:59,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:05:59,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:05:59,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 05:05:59,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-19 05:05:59,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-02-19 05:05:59,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:06:00,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:06:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:06:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:06:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:06:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:06:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:06:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:06:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:06:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 05:06:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-19 05:06:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-19 05:06:00,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 05:06:00,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-19 05:06:00,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-19 05:06:00,836 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:06:00,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:06:00,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1346980366, now seen corresponding path program 9 times [2022-02-19 05:06:00,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:06:00,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360119393] [2022-02-19 05:06:00,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:06:00,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:06:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:06:01,059 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:06:01,059 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:06:01,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360119393] [2022-02-19 05:06:01,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360119393] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:06:01,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797138742] [2022-02-19 05:06:01,059 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 05:06:01,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:06:01,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:06:01,060 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:06:01,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-19 05:06:01,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2022-02-19 05:06:01,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 05:06:01,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-19 05:06:01,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:06:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:06:01,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:06:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 85 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:06:02,084 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797138742] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 05:06:02,085 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 05:06:02,085 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 65 [2022-02-19 05:06:02,085 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364978179] [2022-02-19 05:06:02,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 05:06:02,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-02-19 05:06:02,085 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 05:06:02,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-02-19 05:06:02,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=752, Invalid=3408, Unknown=0, NotChecked=0, Total=4160 [2022-02-19 05:06:02,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:06:02,087 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 05:06:02,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 2.276923076923077) internal successors, (148), 65 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-19 05:06:02,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-02-19 05:06:02,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-02-19 05:06:02,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 05:06:02,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 05:06:02,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 05:06:02,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 05:06:02,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:06:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 05:06:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-19 05:06:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-19 05:06:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 05:06:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 05:06:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-19 05:06:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-19 05:06:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-02-19 05:06:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-19 05:06:02,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-02-19 05:06:02,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-19 05:06:02,989 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 05:06:02,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 05:06:02,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1540285650, now seen corresponding path program 10 times [2022-02-19 05:06:02,989 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 05:06:02,989 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536124937] [2022-02-19 05:06:02,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 05:06:02,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 05:06:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 05:06:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:06:04,157 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 05:06:04,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536124937] [2022-02-19 05:06:04,158 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536124937] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 05:06:04,158 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630469673] [2022-02-19 05:06:04,158 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 05:06:04,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 05:06:04,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 05:06:04,159 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 05:06:04,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-19 05:06:04,195 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 05:06:04,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 05:06:04,197 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 98 conjunts are in the unsatisfiable core [2022-02-19 05:06:04,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 05:06:06,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:06,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 05:06:06,367 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 51 [2022-02-19 05:06:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 05:06:06,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 05:06:08,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,377 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,382 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:08,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 05:06:13,228 INFO L353 Elim1Store]: treesize reduction 866, result has 61.2 percent of original size [2022-02-19 05:06:13,229 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 36 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 195 case distinctions, treesize of input 110 treesize of output 1393 Received shutdown request... [2022-02-19 05:15:16,365 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 05:15:16,368 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 05:15:16,369 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 05:15:16,376 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 05:15:16,377 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 05:15:16,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-19 05:15:16,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-02-19 05:15:16,578 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 14ms.. [2022-02-19 05:15:16,579 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 05:15:16,580 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 05:15:16,580 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 05:15:16,583 INFO L732 BasicCegarLoop]: Path program histogram: [10, 2, 1, 1] [2022-02-19 05:15:16,584 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 05:15:16,584 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 05:15:16,586 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:15:16 BasicIcfg [2022-02-19 05:15:16,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 05:15:16,586 INFO L158 Benchmark]: Toolchain (without parser) took 850515.48ms. Allocated memory was 185.6MB in the beginning and 595.6MB in the end (delta: 410.0MB). Free memory was 143.2MB in the beginning and 488.4MB in the end (delta: -345.1MB). Peak memory consumption was 378.9MB. Max. memory is 8.0GB. [2022-02-19 05:15:16,586 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 185.6MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 05:15:16,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.18ms. Allocated memory is still 185.6MB. Free memory was 143.2MB in the beginning and 141.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 05:15:16,587 INFO L158 Benchmark]: Boogie Preprocessor took 14.73ms. Allocated memory is still 185.6MB. Free memory was 141.6MB in the beginning and 140.7MB in the end (delta: 976.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 05:15:16,587 INFO L158 Benchmark]: RCFGBuilder took 203.37ms. Allocated memory is still 185.6MB. Free memory was 140.6MB in the beginning and 131.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 05:15:16,587 INFO L158 Benchmark]: TraceAbstraction took 850275.47ms. Allocated memory was 185.6MB in the beginning and 595.6MB in the end (delta: 410.0MB). Free memory was 130.7MB in the beginning and 488.4MB in the end (delta: -357.7MB). Peak memory consumption was 365.3MB. Max. memory is 8.0GB. [2022-02-19 05:15:16,588 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 185.6MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.18ms. Allocated memory is still 185.6MB. Free memory was 143.2MB in the beginning and 141.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.73ms. Allocated memory is still 185.6MB. Free memory was 141.6MB in the beginning and 140.7MB in the end (delta: 976.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 203.37ms. Allocated memory is still 185.6MB. Free memory was 140.6MB in the beginning and 131.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 850275.47ms. Allocated memory was 185.6MB in the beginning and 595.6MB in the end (delta: 410.0MB). Free memory was 130.7MB in the beginning and 488.4MB in the end (delta: -357.7MB). Peak memory consumption was 365.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3760, positive: 3072, positive conditional: 2780, positive unconditional: 292, negative: 688, negative conditional: 688, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3072, positive: 3072, positive conditional: 2780, positive unconditional: 292, 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: 3072, positive: 3072, positive conditional: 2780, positive unconditional: 292, 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: 3072, positive: 3072, positive conditional: 2720, positive unconditional: 352, 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: 3072, positive: 3072, positive conditional: 2649, positive unconditional: 423, 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: 3072, positive: 3072, positive conditional: 2649, positive unconditional: 423, 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: 280, positive: 280, positive conditional: 0, positive unconditional: 280, 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: 280, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3072, positive: 2792, positive conditional: 2649, positive unconditional: 143, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 280, unknown conditional: 0, unknown unconditional: 280] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 71, Maximal queried relation: 0, Independence queries for same thread: 688 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 21, Number of trivial persistent sets: 12, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 292, positive: 292, positive conditional: 0, positive unconditional: 292, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3760, positive: 3072, positive conditional: 2780, positive unconditional: 292, negative: 688, negative conditional: 688, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3072, positive: 3072, positive conditional: 2780, positive unconditional: 292, 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: 3072, positive: 3072, positive conditional: 2780, positive unconditional: 292, 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: 3072, positive: 3072, positive conditional: 2720, positive unconditional: 352, 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: 3072, positive: 3072, positive conditional: 2649, positive unconditional: 423, 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: 3072, positive: 3072, positive conditional: 2649, positive unconditional: 423, 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: 280, positive: 280, positive conditional: 0, positive unconditional: 280, 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: 280, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3072, positive: 2792, positive conditional: 2649, positive unconditional: 143, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 280, unknown conditional: 0, unknown unconditional: 280] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 71, Maximal queried relation: 0, Independence queries for same thread: 688 - 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: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 14ms.. - TimeoutResultAtElement [Line: 59]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 14ms.. - TimeoutResultAtElement [Line: 59]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 14ms.. - TimeoutResultAtElement [Line: 60]: 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 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 14ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 850.2s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 10.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 357, 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, 282.8s InterpolantComputationTime, 862 NumberOfCodeBlocks, 862 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1239 ConstructedInterpolants, 61 QuantifiedInterpolants, 18819 SizeOfPredicates, 106 NumberOfNonLiveVariables, 1063 ConjunctsInSsa, 258 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 686/1744 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