/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/three-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 04:31:41,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 04:31:41,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 04:31:42,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 04:31:42,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 04:31:42,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 04:31:42,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 04:31:42,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 04:31:42,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 04:31:42,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 04:31:42,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 04:31:42,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 04:31:42,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 04:31:42,039 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 04:31:42,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 04:31:42,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 04:31:42,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 04:31:42,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 04:31:42,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 04:31:42,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 04:31:42,054 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 04:31:42,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 04:31:42,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 04:31:42,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 04:31:42,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 04:31:42,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 04:31:42,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 04:31:42,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 04:31:42,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 04:31:42,077 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 04:31:42,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 04:31:42,078 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 04:31:42,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 04:31:42,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 04:31:42,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 04:31:42,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 04:31:42,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 04:31:42,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 04:31:42,079 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 04:31:42,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 04:31:42,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 04:31:42,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 04:31:42,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 04:31:42,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 04:31:42,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 04:31:42,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 04:31:42,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:31:42,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 04:31:42,080 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 04:31:42,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 04:31:42,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 04:31:42,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 04:31:42,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 04:31:42,080 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 04:31:42,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 04:31:42,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 04:31:42,081 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-19 04:31:42,081 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-19 04:31:42,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 04:31:42,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 04:31:42,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 04:31:42,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 04:31:42,292 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 04:31:42,293 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 04:31:42,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl [2022-02-19 04:31:42,294 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl' [2022-02-19 04:31:42,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 04:31:42,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 04:31:42,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 04:31:42,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 04:31:42,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 04:31:42,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/1) ... [2022-02-19 04:31:42,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/1) ... [2022-02-19 04:31:42,338 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 04:31:42,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 04:31:42,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 04:31:42,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 04:31:42,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 04:31:42,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/1) ... [2022-02-19 04:31:42,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/1) ... [2022-02-19 04:31:42,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/1) ... [2022-02-19 04:31:42,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/1) ... [2022-02-19 04:31:42,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/1) ... [2022-02-19 04:31:42,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/1) ... [2022-02-19 04:31:42,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/1) ... [2022-02-19 04:31:42,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 04:31:42,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 04:31:42,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 04:31:42,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 04:31:42,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/1) ... [2022-02-19 04:31:42,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 04:31:42,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:42,382 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 04:31:42,433 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 04:31:42,459 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 04:31:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 04:31:42,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 04:31:42,460 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 04:31:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 04:31:42,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 04:31:42,460 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 04:31:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 04:31:42,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 04:31:42,460 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 04:31:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 04:31:42,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 04:31:42,462 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 04:31:42,502 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 04:31:42,505 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 04:31:42,568 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 04:31:42,582 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 04:31:42,582 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 04:31:42,584 INFO L202 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:31:42 BoogieIcfgContainer [2022-02-19 04:31:42,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 04:31:42,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 04:31:42,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 04:31:42,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 04:31:42,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:31:42" (1/2) ... [2022-02-19 04:31:42,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73516bb and model type three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:31:42, skipping insertion in model container [2022-02-19 04:31:42,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:31:42" (2/2) ... [2022-02-19 04:31:42,590 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum.wvr.bpl [2022-02-19 04:31:42,594 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 04:31:42,594 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 04:31:42,594 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 04:31:42,594 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 04:31:42,618 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 04:31:42,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 04:31:42,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:42,659 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 04:31:42,660 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 04:31:42,684 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-19 04:31:42,688 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 04:31:42,689 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 04:31:42,796 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:42,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:42,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1364776823, now seen corresponding path program 1 times [2022-02-19 04:31:42,806 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:42,806 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881735379] [2022-02-19 04:31:42,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:42,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:31:42,914 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:42,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881735379] [2022-02-19 04:31:42,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881735379] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:31:42,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 04:31:42,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 04:31:42,920 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650925492] [2022-02-19 04:31:42,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:31:42,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 04:31:42,925 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:42,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 04:31:42,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-19 04:31:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:43,000 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:43,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 04:31:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:43,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:43,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 04:31:43,104 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:43,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:43,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1855095573, now seen corresponding path program 1 times [2022-02-19 04:31:43,104 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:43,105 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018730586] [2022-02-19 04:31:43,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:43,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:43,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:31:43,180 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:43,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018730586] [2022-02-19 04:31:43,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018730586] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:43,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054768726] [2022-02-19 04:31:43,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:43,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:43,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:43,183 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 04:31:43,184 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 04:31:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:43,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2022-02-19 04:31:43,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:31:43,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 04:31:43,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054768726] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:31:43,282 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 04:31:43,282 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2022-02-19 04:31:43,282 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956232315] [2022-02-19 04:31:43,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:31:43,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 04:31:43,283 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:43,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 04:31:43,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-02-19 04:31:43,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:43,284 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:43,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 04:31:43,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:43,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:43,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:43,327 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 04:31:43,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-02-19 04:31:43,523 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:43,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:43,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1148337290, now seen corresponding path program 1 times [2022-02-19 04:31:43,523 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:43,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575739701] [2022-02-19 04:31:43,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:43,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-19 04:31:43,555 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:43,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575739701] [2022-02-19 04:31:43,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575739701] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 04:31:43,556 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 04:31:43,556 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 04:31:43,556 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816216761] [2022-02-19 04:31:43,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 04:31:43,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 04:31:43,557 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:43,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 04:31:43,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 04:31:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:43,562 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:43,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 04:31:43,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:43,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:43,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:43,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:43,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:43,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:43,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 04:31:43,610 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:43,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:43,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1552688819, now seen corresponding path program 2 times [2022-02-19 04:31:43,610 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:43,611 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334931116] [2022-02-19 04:31:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:43,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:31:43,695 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:43,695 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334931116] [2022-02-19 04:31:43,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334931116] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:43,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264647022] [2022-02-19 04:31:43,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:31:43,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:43,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:43,712 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 04:31:43,749 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 04:31:43,797 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:31:43,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:31:43,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-19 04:31:43,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:31:43,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:31:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 04:31:43,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264647022] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:31:43,966 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:31:43,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-02-19 04:31:43,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106104870] [2022-02-19 04:31:43,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:31:43,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-19 04:31:43,969 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:43,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-19 04:31:43,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-02-19 04:31:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:43,970 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:43,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 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 04:31:43,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:43,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:43,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:43,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:44,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:44,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:44,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:44,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:44,211 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 04:31:44,400 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 04:31:44,401 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:44,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:44,401 INFO L85 PathProgramCache]: Analyzing trace with hash 572751241, now seen corresponding path program 3 times [2022-02-19 04:31:44,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:44,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809024280] [2022-02-19 04:31:44,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:44,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:44,788 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:31:44,789 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:44,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809024280] [2022-02-19 04:31:44,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809024280] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:44,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997667548] [2022-02-19 04:31:44,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:31:44,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:44,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:44,791 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 04:31:44,808 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 04:31:44,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-19 04:31:44,839 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:31:44,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-19 04:31:44,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:45,156 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-02-19 04:31:45,241 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:31:45,242 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 41 [2022-02-19 04:31:45,257 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:31:45,257 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 66 [2022-02-19 04:31:45,264 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 50 [2022-02-19 04:31:45,619 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2022-02-19 04:31:45,653 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:31:45,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:31:45,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:31:45,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:31:45,892 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 478 treesize of output 446 [2022-02-19 04:31:46,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:31:46,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:46,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:46,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:31:46,218 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:31:46,218 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 97 [2022-02-19 04:31:46,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:31:46,243 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:31:46,243 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 77 [2022-02-19 04:31:46,755 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:31:46,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997667548] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:31:46,756 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:31:46,756 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 26 [2022-02-19 04:31:46,756 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894038717] [2022-02-19 04:31:46,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:31:46,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-19 04:31:46,757 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:46,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-19 04:31:46,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=594, Unknown=0, NotChecked=0, Total=702 [2022-02-19 04:31:46,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:46,759 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:46,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.5185185185185186) internal successors, (68), 26 states have internal predecessors, (68), 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 04:31:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:46,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:47,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:47,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 04:31:47,829 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 04:31:47,830 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:47,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:47,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1688668313, now seen corresponding path program 4 times [2022-02-19 04:31:47,831 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:47,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946645426] [2022-02-19 04:31:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:47,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-19 04:31:47,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:47,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946645426] [2022-02-19 04:31:47,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946645426] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:47,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229667974] [2022-02-19 04:31:47,884 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:31:47,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:47,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:47,900 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 04:31:47,901 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 04:31:47,935 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:31:47,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:31:47,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 04:31:47,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-19 04:31:47,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:31:48,040 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-19 04:31:48,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229667974] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:31:48,040 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:31:48,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2022-02-19 04:31:48,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553250314] [2022-02-19 04:31:48,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:31:48,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-19 04:31:48,041 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:48,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-19 04:31:48,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-02-19 04:31:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:48,041 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:48,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 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 04:31:48,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:48,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:48,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:48,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:48,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:48,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:48,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:48,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 04:31:48,432 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 04:31:48,432 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:48,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:48,433 INFO L85 PathProgramCache]: Analyzing trace with hash -905640905, now seen corresponding path program 5 times [2022-02-19 04:31:48,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:48,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138572581] [2022-02-19 04:31:48,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:48,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-19 04:31:48,475 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:48,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138572581] [2022-02-19 04:31:48,476 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138572581] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:48,476 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512522207] [2022-02-19 04:31:48,476 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:31:48,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:48,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:48,477 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 04:31:48,478 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 04:31:48,514 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-19 04:31:48,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:31:48,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-19 04:31:48,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 12 proven. 23 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-19 04:31:48,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:31:48,666 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 12 proven. 23 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-19 04:31:48,666 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512522207] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:31:48,666 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:31:48,666 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-02-19 04:31:48,667 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108521761] [2022-02-19 04:31:48,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:31:48,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-19 04:31:48,667 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:48,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-19 04:31:48,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-02-19 04:31:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:48,668 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:48,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 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 04:31:48,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:48,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:48,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:48,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:48,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:48,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:48,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:48,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:48,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:48,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:48,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:48,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:48,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:48,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:48,835 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 04:31:49,029 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 04:31:49,029 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:49,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:49,030 INFO L85 PathProgramCache]: Analyzing trace with hash 2146286291, now seen corresponding path program 2 times [2022-02-19 04:31:49,030 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:49,030 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275937508] [2022-02-19 04:31:49,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:49,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 115 proven. 23 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-02-19 04:31:49,188 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:49,188 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275937508] [2022-02-19 04:31:49,189 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275937508] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:49,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250192156] [2022-02-19 04:31:49,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 04:31:49,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:49,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:49,212 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 04:31:49,213 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 04:31:49,250 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 04:31:49,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:31:49,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-19 04:31:49,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-02-19 04:31:49,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:31:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-02-19 04:31:49,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250192156] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:31:49,496 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:31:49,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 9] total 24 [2022-02-19 04:31:49,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646529555] [2022-02-19 04:31:49,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:31:49,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-19 04:31:49,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:49,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-19 04:31:49,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2022-02-19 04:31:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:49,498 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:49,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.96) internal successors, (74), 24 states have internal predecessors, (74), 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 04:31:49,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:49,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:49,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:49,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:49,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:49,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:49,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:49,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:49,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:49,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:49,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:49,715 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 04:31:49,897 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 04:31:49,898 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:49,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash 136348981, now seen corresponding path program 3 times [2022-02-19 04:31:49,898 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:49,898 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856458339] [2022-02-19 04:31:49,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:49,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 102 proven. 30 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-02-19 04:31:49,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:49,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856458339] [2022-02-19 04:31:49,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856458339] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:49,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473695072] [2022-02-19 04:31:49,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 04:31:49,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:49,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:49,985 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 04:31:49,986 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 04:31:50,020 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-19 04:31:50,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:31:50,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 04:31:50,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:50,119 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-02-19 04:31:50,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:31:50,231 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-02-19 04:31:50,232 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473695072] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:31:50,232 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:31:50,232 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 20 [2022-02-19 04:31:50,232 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764415388] [2022-02-19 04:31:50,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:31:50,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-19 04:31:50,233 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:50,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-19 04:31:50,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2022-02-19 04:31:50,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:50,233 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:50,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.55) internal successors, (91), 20 states have internal predecessors, (91), 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 04:31:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:50,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:50,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:31:50,828 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 04:31:51,015 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 04:31:51,016 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:51,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:51,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1303846056, now seen corresponding path program 4 times [2022-02-19 04:31:51,016 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:51,016 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710129946] [2022-02-19 04:31:51,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:51,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 130 proven. 78 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-02-19 04:31:51,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:51,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710129946] [2022-02-19 04:31:51,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710129946] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:51,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885358172] [2022-02-19 04:31:51,179 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 04:31:51,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:51,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:51,181 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 04:31:51,182 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 04:31:51,223 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 04:31:51,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:31:51,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-19 04:31:51,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 133 proven. 25 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-02-19 04:31:51,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:31:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 133 proven. 25 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-02-19 04:31:51,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885358172] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:31:51,556 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:31:51,556 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 13, 13] total 31 [2022-02-19 04:31:51,556 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215779563] [2022-02-19 04:31:51,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:31:51,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-19 04:31:51,556 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:51,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-19 04:31:51,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=831, Unknown=0, NotChecked=0, Total=992 [2022-02-19 04:31:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:51,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:51,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.03125) internal successors, (97), 31 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 04:31:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:31:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:31:51,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 04:31:51,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-19 04:31:52,054 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 04:31:52,055 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:52,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:52,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1735156934, now seen corresponding path program 5 times [2022-02-19 04:31:52,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:52,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267293374] [2022-02-19 04:31:52,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:52,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 117 proven. 89 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-02-19 04:31:52,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:52,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267293374] [2022-02-19 04:31:52,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267293374] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:52,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133772792] [2022-02-19 04:31:52,198 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 04:31:52,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:52,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:52,200 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 04:31:52,201 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 04:31:52,235 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-02-19 04:31:52,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:31:52,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-19 04:31:52,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 130 proven. 34 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-02-19 04:31:52,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:31:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 130 proven. 34 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-02-19 04:31:52,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133772792] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:31:52,531 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:31:52,531 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8, 8] total 26 [2022-02-19 04:31:52,531 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467394541] [2022-02-19 04:31:52,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:31:52,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-19 04:31:52,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:52,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-19 04:31:52,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2022-02-19 04:31:52,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:52,532 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:52,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 4.153846153846154) internal successors, (108), 26 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 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 04:31:52,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:31:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 04:31:53,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-19 04:31:53,380 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 04:31:53,563 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 04:31:53,563 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:53,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:53,563 INFO L85 PathProgramCache]: Analyzing trace with hash -2135009162, now seen corresponding path program 6 times [2022-02-19 04:31:53,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:53,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867682493] [2022-02-19 04:31:53,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:53,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 62 proven. 60 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-19 04:31:53,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:53,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867682493] [2022-02-19 04:31:53,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867682493] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:53,670 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639731107] [2022-02-19 04:31:53,670 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:31:53,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:53,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:53,671 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 04:31:53,676 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 04:31:53,721 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-02-19 04:31:53,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:31:53,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-19 04:31:53,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 36 proven. 96 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-19 04:31:53,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:31:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 36 proven. 96 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-19 04:31:54,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639731107] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 04:31:54,038 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 04:31:54,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2022-02-19 04:31:54,039 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540699247] [2022-02-19 04:31:54,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 04:31:54,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-19 04:31:54,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 04:31:54,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-19 04:31:54,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=735, Unknown=0, NotChecked=0, Total=870 [2022-02-19 04:31:54,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:54,040 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 04:31:54,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.2) internal successors, (96), 29 states have internal predecessors, (96), 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 04:31:54,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:54,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:54,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:54,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:54,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:54,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:54,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:54,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:54,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:31:54,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-19 04:31:54,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-19 04:31:54,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 04:31:54,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 04:31:54,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 04:31:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 04:31:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-19 04:31:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-19 04:31:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 04:31:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-19 04:31:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:31:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-19 04:31:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-19 04:31:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 04:31:54,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-19 04:31:54,868 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 04:31:54,868 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 04:31:54,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 04:31:54,868 INFO L85 PathProgramCache]: Analyzing trace with hash 663911559, now seen corresponding path program 6 times [2022-02-19 04:31:54,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 04:31:54,868 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715914750] [2022-02-19 04:31:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 04:31:54,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 04:31:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 04:31:56,153 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 3 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:31:56,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 04:31:56,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715914750] [2022-02-19 04:31:56,154 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715914750] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 04:31:56,154 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081242330] [2022-02-19 04:31:56,154 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 04:31:56,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 04:31:56,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 04:31:56,156 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 04:31:56,157 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 04:31:56,227 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-02-19 04:31:56,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 04:31:56,230 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 124 conjunts are in the unsatisfiable core [2022-02-19 04:31:56,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 04:31:57,041 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2022-02-19 04:31:57,164 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-02-19 04:31:57,295 INFO L353 Elim1Store]: treesize reduction 56, result has 16.4 percent of original size [2022-02-19 04:31:57,295 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 46 [2022-02-19 04:31:57,445 INFO L353 Elim1Store]: treesize reduction 110, result has 14.1 percent of original size [2022-02-19 04:31:57,445 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 66 [2022-02-19 04:31:57,663 INFO L353 Elim1Store]: treesize reduction 176, result has 12.4 percent of original size [2022-02-19 04:31:57,664 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 75 treesize of output 86 [2022-02-19 04:31:57,902 INFO L353 Elim1Store]: treesize reduction 254, result has 11.2 percent of original size [2022-02-19 04:31:57,902 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 92 treesize of output 106 [2022-02-19 04:31:58,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,659 INFO L353 Elim1Store]: treesize reduction 136, result has 63.7 percent of original size [2022-02-19 04:31:58,659 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 35 case distinctions, treesize of input 146 treesize of output 338 [2022-02-19 04:31:58,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:58,954 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:31:58,955 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 31 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 35 case distinctions, treesize of input 666 treesize of output 922 [2022-02-19 04:31:59,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:59,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:59,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:59,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:59,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:59,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:59,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:59,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:59,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:59,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:31:59,098 INFO L353 Elim1Store]: treesize reduction 120, result has 8.4 percent of original size [2022-02-19 04:31:59,099 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 672 treesize of output 617 [2022-02-19 04:32:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:23,096 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 04:32:23,096 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 51 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 176 [2022-02-19 04:32:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 20 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 04:32:23,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 04:32:48,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:48,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,814 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,815 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:48,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,822 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:48,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:48,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 04:32:48,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 04:32:48,835 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 10357 treesize of output 10165 [2022-02-19 04:32:48,846 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-19 04:32:48,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-19 04:32:49,063 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 04:32:49,064 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArithmeticException: BigInteger out of long range at java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.computeDerApplicabilityScore(QuantifierPusher.java:685) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.selectBestEliminatee(QuantifierPusher.java:668) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:604) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:446) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:355) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:261) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:247) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:92) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-02-19 04:32:49,069 INFO L158 Benchmark]: Toolchain (without parser) took 66748.59ms. Allocated memory was 194.0MB in the beginning and 608.2MB in the end (delta: 414.2MB). Free memory was 154.1MB in the beginning and 257.0MB in the end (delta: -103.0MB). Peak memory consumption was 312.1MB. Max. memory is 8.0GB. [2022-02-19 04:32:49,069 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 155.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 04:32:49,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.71ms. Allocated memory is still 194.0MB. Free memory was 154.0MB in the beginning and 152.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 04:32:49,070 INFO L158 Benchmark]: Boogie Preprocessor took 16.81ms. Allocated memory is still 194.0MB. Free memory was 152.5MB in the beginning and 151.5MB in the end (delta: 965.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 04:32:49,070 INFO L158 Benchmark]: RCFGBuilder took 225.41ms. Allocated memory is still 194.0MB. Free memory was 151.4MB in the beginning and 141.8MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 04:32:49,070 INFO L158 Benchmark]: TraceAbstraction took 66483.22ms. Allocated memory was 194.0MB in the beginning and 608.2MB in the end (delta: 414.2MB). Free memory was 141.3MB in the beginning and 257.0MB in the end (delta: -115.8MB). Peak memory consumption was 298.5MB. Max. memory is 8.0GB. [2022-02-19 04:32:49,071 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 0.11ms. Allocated memory is still 194.0MB. Free memory is still 155.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.71ms. Allocated memory is still 194.0MB. Free memory was 154.0MB in the beginning and 152.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.81ms. Allocated memory is still 194.0MB. Free memory was 152.5MB in the beginning and 151.5MB in the end (delta: 965.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 225.41ms. Allocated memory is still 194.0MB. Free memory was 151.4MB in the beginning and 141.8MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 66483.22ms. Allocated memory was 194.0MB in the beginning and 608.2MB in the end (delta: 414.2MB). Free memory was 141.3MB in the beginning and 257.0MB in the end (delta: -115.8MB). Peak memory consumption was 298.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArithmeticException: BigInteger out of long range de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArithmeticException: BigInteger out of long range: java.base/java.math.BigInteger.longValueExact(BigInteger.java:4765) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-19 04:32:49,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-19 04:32:49,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...