/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 11:10:50,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 11:10:50,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 11:10:51,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 11:10:51,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 11:10:51,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 11:10:51,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 11:10:51,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 11:10:51,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 11:10:51,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 11:10:51,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 11:10:51,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 11:10:51,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 11:10:51,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 11:10:51,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 11:10:51,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 11:10:51,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 11:10:51,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 11:10:51,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 11:10:51,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 11:10:51,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 11:10:51,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 11:10:51,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 11:10:51,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 11:10:51,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 11:10:51,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 11:10:51,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 11:10:51,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 11:10:51,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-16 11:10:51,099 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 11:10:51,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 11:10:51,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 11:10:51,100 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 11:10:51,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 11:10:51,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 11:10:51,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 11:10:51,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 11:10:51,101 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 11:10:51,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 11:10:51,101 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 11:10:51,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 11:10:51,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 11:10:51,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 11:10:51,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 11:10:51,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 11:10:51,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 11:10:51,104 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 11:10:51,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 11:10:51,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 11:10:51,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 11:10:51,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 11:10:51,104 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 11:10:51,104 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 11:10:51,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 11:10:51,104 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 11:10:51,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 11:10:51,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 11:10:51,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 11:10:51,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 11:10:51,304 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 11:10:51,306 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 11:10:51,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl [2022-02-16 11:10:51,307 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl' [2022-02-16 11:10:51,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 11:10:51,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 11:10:51,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 11:10:51,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 11:10:51,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 11:10:51,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/1) ... [2022-02-16 11:10:51,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/1) ... [2022-02-16 11:10:51,347 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 11:10:51,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 11:10:51,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 11:10:51,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 11:10:51,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 11:10:51,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/1) ... [2022-02-16 11:10:51,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/1) ... [2022-02-16 11:10:51,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/1) ... [2022-02-16 11:10:51,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/1) ... [2022-02-16 11:10:51,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/1) ... [2022-02-16 11:10:51,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/1) ... [2022-02-16 11:10:51,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/1) ... [2022-02-16 11:10:51,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 11:10:51,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 11:10:51,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 11:10:51,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 11:10:51,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/1) ... [2022-02-16 11:10:51,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 11:10:51,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:10:51,380 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) [2022-02-16 11:10:51,395 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 [2022-02-16 11:10:51,405 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-16 11:10:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 11:10:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 11:10:51,405 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-16 11:10:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 11:10:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 11:10:51,406 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 11:10:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 11:10:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 11:10:51,406 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-16 11:10:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 11:10:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 11:10:51,406 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 11:10:51,438 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 11:10:51,439 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 11:10:51,500 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 11:10:51,511 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 11:10:51,511 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 11:10:51,512 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:10:51 BoogieIcfgContainer [2022-02-16 11:10:51,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 11:10:51,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 11:10:51,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 11:10:51,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 11:10:51,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:10:51" (1/2) ... [2022-02-16 11:10:51,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2216f28c and model type three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 11:10:51, skipping insertion in model container [2022-02-16 11:10:51,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:10:51" (2/2) ... [2022-02-16 11:10:51,517 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.bpl [2022-02-16 11:10:51,520 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 11:10:51,521 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 11:10:51,521 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 11:10:51,521 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 11:10:51,543 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-16 11:10:51,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 11:10:51,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:10:51,573 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) [2022-02-16 11:10:51,574 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 [2022-02-16 11:10:51,602 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 11:10:51,612 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 11:10:51,612 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 11:10:51,702 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 256 transitions and produced 212 states. [2022-02-16 11:10:51,704 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:10:51,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:10:51,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1771324120, now seen corresponding path program 1 times [2022-02-16 11:10:51,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:10:51,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695782115] [2022-02-16 11:10:51,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:10:51,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:10:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:10:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 91 proven. 136 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-02-16 11:10:52,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:10:52,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695782115] [2022-02-16 11:10:52,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695782115] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:10:52,162 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686777026] [2022-02-16 11:10:52,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:10:52,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:52,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:10:52,168 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) [2022-02-16 11:10:52,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 11:10:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:10:52,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-16 11:10:52,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:10:52,513 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 123 proven. 58 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-02-16 11:10:52,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:10:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 123 proven. 58 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-02-16 11:10:52,670 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686777026] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:10:52,670 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:10:52,670 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2022-02-16 11:10:52,672 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575905101] [2022-02-16 11:10:52,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:10:52,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-16 11:10:52,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:10:52,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-16 11:10:52,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2022-02-16 11:10:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:52,698 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:10:52,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.611111111111111) internal successors, (83), 17 states have internal predecessors, (83), 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) [2022-02-16 11:10:52,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:53,141 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 149 transitions and produced 137 states. [2022-02-16 11:10:53,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-16 11:10:53,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 11:10:53,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-16 11:10:53,359 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:10:53,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:10:53,360 INFO L85 PathProgramCache]: Analyzing trace with hash 978075790, now seen corresponding path program 2 times [2022-02-16 11:10:53,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:10:53,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413223246] [2022-02-16 11:10:53,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:10:53,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:10:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:10:53,518 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 11:10:53,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:10:53,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413223246] [2022-02-16 11:10:53,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413223246] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:10:53,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708744194] [2022-02-16 11:10:53,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 11:10:53,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:53,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:10:53,521 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) [2022-02-16 11:10:53,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 11:10:53,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 11:10:53,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:10:53,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-16 11:10:53,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:10:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-16 11:10:53,711 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:10:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-16 11:10:53,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708744194] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:10:53,804 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:10:53,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 23 [2022-02-16 11:10:53,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119031609] [2022-02-16 11:10:53,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:10:53,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-16 11:10:53,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:10:53,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-16 11:10:53,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2022-02-16 11:10:53,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:53,806 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:10:53,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.7916666666666665) internal successors, (67), 23 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:10:53,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-16 11:10:53,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:54,189 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 200 transitions and produced 162 states. [2022-02-16 11:10:54,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-16 11:10:54,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:10:54,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 11:10:54,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:54,391 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:10:54,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:10:54,391 INFO L85 PathProgramCache]: Analyzing trace with hash 520329604, now seen corresponding path program 3 times [2022-02-16 11:10:54,391 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:10:54,391 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538483656] [2022-02-16 11:10:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:10:54,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:10:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:10:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 69 proven. 77 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-16 11:10:54,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:10:54,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538483656] [2022-02-16 11:10:54,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538483656] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:10:54,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524364346] [2022-02-16 11:10:54,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 11:10:54,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:54,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:10:54,529 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) [2022-02-16 11:10:54,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 11:10:54,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-02-16 11:10:54,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:10:54,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-16 11:10:54,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:10:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 81 proven. 38 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-02-16 11:10:54,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:10:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 81 proven. 38 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-02-16 11:10:54,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524364346] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:10:54,991 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:10:54,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 31 [2022-02-16 11:10:54,992 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716396839] [2022-02-16 11:10:54,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:10:54,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-16 11:10:54,993 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:10:54,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-16 11:10:54,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=829, Unknown=0, NotChecked=0, Total=992 [2022-02-16 11:10:54,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:54,994 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:10:54,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.84375) internal successors, (123), 31 states have internal predecessors, (123), 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) [2022-02-16 11:10:54,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-16 11:10:54,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:10:54,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:55,863 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 198 transitions and produced 172 states. [2022-02-16 11:10:55,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-16 11:10:55,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:10:55,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-02-16 11:10:55,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 11:10:56,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:56,065 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:10:56,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:10:56,065 INFO L85 PathProgramCache]: Analyzing trace with hash -866138686, now seen corresponding path program 4 times [2022-02-16 11:10:56,065 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:10:56,065 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877769921] [2022-02-16 11:10:56,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:10:56,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:10:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:10:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 74 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 11:10:56,299 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:10:56,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877769921] [2022-02-16 11:10:56,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877769921] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:10:56,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519356122] [2022-02-16 11:10:56,300 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 11:10:56,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:56,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:10:56,332 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) [2022-02-16 11:10:56,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 11:10:56,383 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 11:10:56,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:10:56,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-16 11:10:56,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:10:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 36 proven. 38 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-16 11:10:56,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:10:56,770 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 36 proven. 38 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-02-16 11:10:56,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519356122] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:10:56,770 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:10:56,771 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 14, 14] total 36 [2022-02-16 11:10:56,771 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714248589] [2022-02-16 11:10:56,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:10:56,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-16 11:10:56,771 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:10:56,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-16 11:10:56,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1159, Unknown=0, NotChecked=0, Total=1332 [2022-02-16 11:10:56,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:56,772 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:10:56,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.7567567567567566) internal successors, (102), 36 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:10:56,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-16 11:10:56,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:10:56,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-02-16 11:10:56,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:57,707 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 295 transitions and produced 251 states. [2022-02-16 11:10:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-16 11:10:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:10:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-16 11:10:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-16 11:10:57,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 11:10:57,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:57,909 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:10:57,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:10:57,909 INFO L85 PathProgramCache]: Analyzing trace with hash -562309318, now seen corresponding path program 5 times [2022-02-16 11:10:57,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:10:57,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952163111] [2022-02-16 11:10:57,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:10:57,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:10:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:10:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 190 proven. 49 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-02-16 11:10:58,086 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:10:58,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952163111] [2022-02-16 11:10:58,086 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952163111] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:10:58,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922168657] [2022-02-16 11:10:58,086 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 11:10:58,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:58,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:10:58,087 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) [2022-02-16 11:10:58,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 11:10:58,155 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2022-02-16 11:10:58,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:10:58,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 25 conjunts are in the unsatisfiable core [2022-02-16 11:10:58,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:10:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 169 proven. 85 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-02-16 11:10:58,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:10:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 169 proven. 85 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-02-16 11:10:58,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922168657] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:10:58,721 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:10:58,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 44 [2022-02-16 11:10:58,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650596714] [2022-02-16 11:10:58,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:10:58,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-16 11:10:58,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:10:58,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-16 11:10:58,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1662, Unknown=0, NotChecked=0, Total=1980 [2022-02-16 11:10:58,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:58,723 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:10:58,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.2222222222222223) internal successors, (145), 44 states have internal predecessors, (145), 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) [2022-02-16 11:10:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-16 11:10:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:10:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-16 11:10:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-16 11:10:58,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:00,245 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 353 transitions and produced 274 states. [2022-02-16 11:11:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-16 11:11:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:00,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:00,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-16 11:11:00,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:00,447 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:11:00,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:11:00,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1298425746, now seen corresponding path program 6 times [2022-02-16 11:11:00,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:11:00,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473081916] [2022-02-16 11:11:00,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:11:00,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:11:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:11:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 250 proven. 323 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 11:11:00,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:11:00,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473081916] [2022-02-16 11:11:00,916 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473081916] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:11:00,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189092629] [2022-02-16 11:11:00,917 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-16 11:11:00,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:00,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:11:00,918 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) [2022-02-16 11:11:00,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-16 11:11:01,023 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2022-02-16 11:11:01,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:11:01,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 27 conjunts are in the unsatisfiable core [2022-02-16 11:11:01,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:11:01,497 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 198 proven. 206 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-02-16 11:11:01,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:11:01,776 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 198 proven. 206 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-02-16 11:11:01,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189092629] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:11:01,777 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:11:01,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 19, 19] total 62 [2022-02-16 11:11:01,777 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860994653] [2022-02-16 11:11:01,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:11:01,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-16 11:11:01,777 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:11:01,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-16 11:11:01,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=490, Invalid=3416, Unknown=0, NotChecked=0, Total=3906 [2022-02-16 11:11:01,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:01,779 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:11:01,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.9523809523809526) internal successors, (186), 62 states have internal predecessors, (186), 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) [2022-02-16 11:11:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-16 11:11:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:03,158 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 495 transitions and produced 380 states. [2022-02-16 11:11:03,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:03,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:03,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:03,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:03,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-16 11:11:03,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-16 11:11:03,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:03,368 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:11:03,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:11:03,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1360000298, now seen corresponding path program 7 times [2022-02-16 11:11:03,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:11:03,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287311368] [2022-02-16 11:11:03,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:11:03,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:11:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:11:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 206 proven. 667 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-02-16 11:11:03,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:11:03,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287311368] [2022-02-16 11:11:03,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287311368] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:11:03,687 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825531967] [2022-02-16 11:11:03,687 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-16 11:11:03,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:03,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:11:03,689 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) [2022-02-16 11:11:03,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-16 11:11:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:11:03,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-16 11:11:03,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:11:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 584 proven. 269 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-02-16 11:11:04,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:11:04,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1085 backedges. 584 proven. 269 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-02-16 11:11:04,471 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825531967] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:11:04,471 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:11:04,472 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 21, 21] total 51 [2022-02-16 11:11:04,472 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171862155] [2022-02-16 11:11:04,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:11:04,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-02-16 11:11:04,473 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:11:04,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-02-16 11:11:04,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=2234, Unknown=0, NotChecked=0, Total=2652 [2022-02-16 11:11:04,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:04,475 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:11:04,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.5961538461538463) internal successors, (187), 51 states have internal predecessors, (187), 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) [2022-02-16 11:11:04,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:04,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:04,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:04,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:04,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:04,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-16 11:11:04,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:06,110 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 621 transitions and produced 466 states. [2022-02-16 11:11:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-16 11:11:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-02-16 11:11:06,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-16 11:11:06,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-16 11:11:06,311 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:11:06,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:11:06,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1387505940, now seen corresponding path program 8 times [2022-02-16 11:11:06,312 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:11:06,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845490481] [2022-02-16 11:11:06,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:11:06,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:11:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:11:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 547 proven. 1010 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2022-02-16 11:11:06,763 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:11:06,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845490481] [2022-02-16 11:11:06,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845490481] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:11:06,763 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039194198] [2022-02-16 11:11:06,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 11:11:06,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:06,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:11:06,765 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) [2022-02-16 11:11:06,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-16 11:11:06,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 11:11:06,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:11:06,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-16 11:11:06,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:11:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 858 proven. 538 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-02-16 11:11:07,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:11:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1850 backedges. 858 proven. 538 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-02-16 11:11:07,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039194198] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:11:07,618 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:11:07,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 19, 19] total 54 [2022-02-16 11:11:07,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627406445] [2022-02-16 11:11:07,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:11:07,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-02-16 11:11:07,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:11:07,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-02-16 11:11:07,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=2481, Unknown=0, NotChecked=0, Total=2970 [2022-02-16 11:11:07,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:07,620 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:11:07,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 3.290909090909091) internal successors, (181), 54 states have internal predecessors, (181), 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) [2022-02-16 11:11:07,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:07,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:07,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:07,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:07,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:07,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-16 11:11:07,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-02-16 11:11:07,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:10,245 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 449 transitions and produced 361 states. [2022-02-16 11:11:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-02-16 11:11:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-02-16 11:11:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-02-16 11:11:10,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-16 11:11:10,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:10,455 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:11:10,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:11:10,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1951729606, now seen corresponding path program 9 times [2022-02-16 11:11:10,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:11:10,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435063823] [2022-02-16 11:11:10,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:11:10,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:11:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:11:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 545 proven. 258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 11:11:11,168 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:11:11,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435063823] [2022-02-16 11:11:11,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435063823] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:11:11,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657815426] [2022-02-16 11:11:11,168 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 11:11:11,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:11,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:11:11,169 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) [2022-02-16 11:11:11,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-16 11:11:11,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-02-16 11:11:11,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:11:11,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-16 11:11:11,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:11:12,185 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 289 proven. 225 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-02-16 11:11:12,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:11:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 289 proven. 225 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2022-02-16 11:11:12,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657815426] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:11:12,444 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:11:12,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 34, 34] total 86 [2022-02-16 11:11:12,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438681909] [2022-02-16 11:11:12,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:11:12,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-02-16 11:11:12,444 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:11:12,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-02-16 11:11:12,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=869, Invalid=6613, Unknown=0, NotChecked=0, Total=7482 [2022-02-16 11:11:12,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:12,447 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:11:12,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 2.2988505747126435) internal successors, (200), 86 states have internal predecessors, (200), 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) [2022-02-16 11:11:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-02-16 11:11:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-02-16 11:11:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2022-02-16 11:11:12,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:14,167 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 574 transitions and produced 417 states. [2022-02-16 11:11:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-02-16 11:11:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-02-16 11:11:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-16 11:11:14,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-02-16 11:11:14,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-16 11:11:14,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-16 11:11:14,368 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:11:14,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:11:14,368 INFO L85 PathProgramCache]: Analyzing trace with hash -163876200, now seen corresponding path program 10 times [2022-02-16 11:11:14,369 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:11:14,369 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43328778] [2022-02-16 11:11:14,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:11:14,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:11:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:11:14,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 594 proven. 812 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-02-16 11:11:14,770 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:11:14,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43328778] [2022-02-16 11:11:14,770 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43328778] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:11:14,770 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930614475] [2022-02-16 11:11:14,770 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 11:11:14,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:14,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:11:14,771 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) [2022-02-16 11:11:14,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-16 11:11:14,843 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 11:11:14,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:11:14,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-16 11:11:14,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:11:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 814 proven. 289 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2022-02-16 11:11:15,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:11:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 814 proven. 289 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2022-02-16 11:11:15,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930614475] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:11:15,549 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:11:15,549 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 37, 37] total 53 [2022-02-16 11:11:15,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107062127] [2022-02-16 11:11:15,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:11:15,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-02-16 11:11:15,549 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:11:15,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-02-16 11:11:15,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=517, Invalid=2345, Unknown=0, NotChecked=0, Total=2862 [2022-02-16 11:11:15,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:15,551 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:11:15,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.0925925925925926) internal successors, (167), 53 states have internal predecessors, (167), 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) [2022-02-16 11:11:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-02-16 11:11:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-02-16 11:11:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-16 11:11:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-02-16 11:11:15,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:17,077 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 491 transitions and produced 389 states. [2022-02-16 11:11:17,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:17,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:17,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:17,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:17,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-02-16 11:11:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-02-16 11:11:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-16 11:11:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-02-16 11:11:17,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-16 11:11:17,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-16 11:11:17,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-16 11:11:17,304 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:11:17,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:11:17,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1445210946, now seen corresponding path program 11 times [2022-02-16 11:11:17,305 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:11:17,305 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573451177] [2022-02-16 11:11:17,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:11:17,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:11:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:11:17,723 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 256 proven. 357 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-02-16 11:11:17,723 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:11:17,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573451177] [2022-02-16 11:11:17,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573451177] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:11:17,723 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056847063] [2022-02-16 11:11:17,723 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 11:11:17,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:17,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:11:17,725 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) [2022-02-16 11:11:17,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-16 11:11:17,853 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2022-02-16 11:11:17,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:11:17,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-16 11:11:17,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:11:18,053 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 289 proven. 324 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-02-16 11:11:18,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:11:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 289 proven. 324 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-02-16 11:11:18,268 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056847063] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:11:18,268 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:11:18,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 38 [2022-02-16 11:11:18,268 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698129117] [2022-02-16 11:11:18,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:11:18,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-16 11:11:18,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:11:18,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-16 11:11:18,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1100, Unknown=0, NotChecked=0, Total=1482 [2022-02-16 11:11:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:18,269 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:11:18,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 2.4358974358974357) internal successors, (95), 38 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:11:18,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-02-16 11:11:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2022-02-16 11:11:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2022-02-16 11:11:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2022-02-16 11:11:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-02-16 11:11:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:19,127 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 496 transitions and produced 394 states. [2022-02-16 11:11:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-16 11:11:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-16 11:11:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:11:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:11:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-16 11:11:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-02-16 11:11:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-02-16 11:11:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2022-02-16 11:11:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2022-02-16 11:11:19,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-02-16 11:11:19,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-16 11:11:19,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-16 11:11:19,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-16 11:11:19,328 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:11:19,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:11:19,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1136268708, now seen corresponding path program 12 times [2022-02-16 11:11:19,329 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:11:19,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872778108] [2022-02-16 11:11:19,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:11:19,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:11:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:11:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 11:11:25,702 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:11:25,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872778108] [2022-02-16 11:11:25,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872778108] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:11:25,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600808538] [2022-02-16 11:11:25,702 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-16 11:11:25,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:25,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:11:25,704 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:11:25,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-16 11:11:25,904 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2022-02-16 11:11:25,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:11:25,908 WARN L261 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 280 conjunts are in the unsatisfiable core [2022-02-16 11:11:25,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:11:32,425 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 [2022-02-16 11:11:32,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:32,769 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 54 treesize of output 52 [2022-02-16 11:11:33,121 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 62 [2022-02-16 11:11:33,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:33,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:33,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:33,499 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 76 [2022-02-16 11:11:33,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:33,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:33,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:33,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:33,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:33,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:33,915 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 107 [2022-02-16 11:11:34,354 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 113 [2022-02-16 11:11:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:34,805 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 139 [2022-02-16 11:11:35,282 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 148 [2022-02-16 11:11:35,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:35,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:35,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:35,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:35,818 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 176 [2022-02-16 11:11:36,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 277 treesize of output 299 [2022-02-16 11:11:37,049 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 208 [2022-02-16 11:11:37,691 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 228 [2022-02-16 11:11:38,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:38,394 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 251 [2022-02-16 11:11:39,150 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 268 [2022-02-16 11:11:40,047 INFO L353 Elim1Store]: treesize reduction 392, result has 15.3 percent of original size [2022-02-16 11:11:40,048 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 262 treesize of output 299 [2022-02-16 11:11:41,053 INFO L353 Elim1Store]: treesize reduction 566, result has 12.1 percent of original size [2022-02-16 11:11:41,053 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 29 case distinctions, treesize of input 284 treesize of output 322 [2022-02-16 11:11:42,230 INFO L353 Elim1Store]: treesize reduction 752, result has 10.2 percent of original size [2022-02-16 11:11:42,230 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 16 select indices, 16 select index equivalence classes, 91 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 45 case distinctions, treesize of input 314 treesize of output 357 [2022-02-16 11:11:43,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:43,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:43,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:43,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:43,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:43,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:43,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:44,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:44,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:44,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:44,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:44,078 INFO L244 Elim1Store]: Index analysis took 155 ms [2022-02-16 11:11:46,232 INFO L353 Elim1Store]: treesize reduction 522, result has 55.6 percent of original size [2022-02-16 11:11:46,233 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 109 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 122 case distinctions, treesize of input 455 treesize of output 945 [2022-02-16 11:11:46,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,759 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:11:46,760 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 94 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 42 case distinctions, treesize of input 3215 treesize of output 2695 [2022-02-16 11:11:46,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:46,920 INFO L244 Elim1Store]: Index analysis took 113 ms [2022-02-16 11:11:49,135 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:11:49,137 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 109 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 122 case distinctions, treesize of input 2338 treesize of output 3214 Received shutdown request... [2022-02-16 11:24:56,028 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 11:24:56,044 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 11:24:56,047 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 11:24:56,055 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-16 11:24:56,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-16 11:24:56,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-16 11:24:56,256 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-190-15-2-5-3-13-3-12-3-11-3-11-3-11-4-12-6-8-4-5-3-3-2-1 context. [2022-02-16 11:24:56,258 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-16 11:24:56,258 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-16 11:24:56,259 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-16 11:24:56,262 INFO L732 BasicCegarLoop]: Path program histogram: [12] [2022-02-16 11:24:56,264 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 11:24:56,264 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 11:24:56,266 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 11:24:56 BasicIcfg [2022-02-16 11:24:56,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 11:24:56,266 INFO L158 Benchmark]: Toolchain (without parser) took 844939.22ms. Allocated memory was 183.5MB in the beginning and 602.9MB in the end (delta: 419.4MB). Free memory was 148.5MB in the beginning and 361.4MB in the end (delta: -212.9MB). Peak memory consumption was 418.0MB. Max. memory is 8.0GB. [2022-02-16 11:24:56,266 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 11:24:56,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.68ms. Allocated memory is still 183.5MB. Free memory was 148.5MB in the beginning and 147.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 11:24:56,267 INFO L158 Benchmark]: Boogie Preprocessor took 11.62ms. Allocated memory is still 183.5MB. Free memory was 147.1MB in the beginning and 146.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 11:24:56,267 INFO L158 Benchmark]: RCFGBuilder took 151.91ms. Allocated memory is still 183.5MB. Free memory was 146.0MB in the beginning and 136.4MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-16 11:24:56,267 INFO L158 Benchmark]: TraceAbstraction took 844752.48ms. Allocated memory was 183.5MB in the beginning and 602.9MB in the end (delta: 419.4MB). Free memory was 136.0MB in the beginning and 361.4MB in the end (delta: -225.4MB). Peak memory consumption was 405.4MB. Max. memory is 8.0GB. [2022-02-16 11:24:56,269 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 0.10ms. Allocated memory is still 183.5MB. Free memory is still 149.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.68ms. Allocated memory is still 183.5MB. Free memory was 148.5MB in the beginning and 147.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.62ms. Allocated memory is still 183.5MB. Free memory was 147.1MB in the beginning and 146.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 151.91ms. Allocated memory is still 183.5MB. Free memory was 146.0MB in the beginning and 136.4MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 844752.48ms. Allocated memory was 183.5MB in the beginning and 602.9MB in the end (delta: 419.4MB). Free memory was 136.0MB in the beginning and 361.4MB in the end (delta: -225.4MB). Peak memory consumption was 405.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-190-15-2-5-3-13-3-12-3-11-3-11-3-11-4-12-6-8-4-5-3-3-2-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-190-15-2-5-3-13-3-12-3-11-3-11-3-11-4-12-6-8-4-5-3-3-2-1 context. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-190-15-2-5-3-13-3-12-3-11-3-11-3-11-4-12-6-8-4-5-3-3-2-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 125 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-190-15-2-5-3-13-3-12-3-11-3-11-3-11-4-12-6-8-4-5-3-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 844.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 14.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 766, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 2132 NumberOfCodeBlocks, 2124 NumberOfCodeBlocksAsserted, 106 NumberOfCheckSat, 3165 ConstructedInterpolants, 0 QuantifiedInterpolants, 13036 SizeOfPredicates, 23 NumberOfNonLiveVariables, 3130 ConjunctsInSsa, 302 ConjunctsInUnsatCore, 33 InterpolantComputations, 0 PerfectInterpolantSequences, 15291/23205 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown