/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-23 01:46:54,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-23 01:46:54,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-23 01:46:54,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-23 01:46:54,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-23 01:46:54,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-23 01:46:54,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-23 01:46:54,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-23 01:46:54,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-23 01:46:54,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-23 01:46:54,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-23 01:46:54,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-23 01:46:54,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-23 01:46:54,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-23 01:46:54,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-23 01:46:54,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-23 01:46:54,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-23 01:46:54,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-23 01:46:54,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-23 01:46:54,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-23 01:46:54,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-23 01:46:54,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-23 01:46:54,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-23 01:46:54,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-23 01:46:54,446 INFO L138 SettingsManager]: * Use SBE=true [2021-08-23 01:46:54,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-23 01:46:54,447 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-23 01:46:54,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-23 01:46:54,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-23 01:46:54,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-23 01:46:54,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-23 01:46:54,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-23 01:46:54,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-23 01:46:54,448 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-23 01:46:54,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-23 01:46:54,448 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-23 01:46:54,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-23 01:46:54,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-23 01:46:54,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-23 01:46:54,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-23 01:46:54,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-23 01:46:54,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:46:54,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-23 01:46:54,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-23 01:46:54,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-23 01:46:54,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-23 01:46:54,449 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-23 01:46:54,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-23 01:46:54,449 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-23 01:46:54,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-23 01:46:54,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-23 01:46:54,450 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-23 01:46:54,450 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-23 01:46:54,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-23 01:46:54,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-23 01:46:54,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-23 01:46:54,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-23 01:46:54,702 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-23 01:46:54,702 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-23 01:46:54,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl [2021-08-23 01:46:54,703 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl' [2021-08-23 01:46:54,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-23 01:46:54,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-23 01:46:54,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-23 01:46:54,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-23 01:46:54,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-23 01:46:54,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/1) ... [2021-08-23 01:46:54,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/1) ... [2021-08-23 01:46:54,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-23 01:46:54,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-23 01:46:54,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-23 01:46:54,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-23 01:46:54,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/1) ... [2021-08-23 01:46:54,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/1) ... [2021-08-23 01:46:54,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/1) ... [2021-08-23 01:46:54,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/1) ... [2021-08-23 01:46:54,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/1) ... [2021-08-23 01:46:54,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/1) ... [2021-08-23 01:46:54,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/1) ... [2021-08-23 01:46:54,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-23 01:46:54,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-23 01:46:54,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-23 01:46:54,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-23 01:46:54,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/1) ... [2021-08-23 01:46:54,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-23 01:46:54,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:46:54,793 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) [2021-08-23 01:46:54,805 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 [2021-08-23 01:46:54,836 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-23 01:46:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-23 01:46:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-23 01:46:54,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-23 01:46:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-23 01:46:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-23 01:46:54,838 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-23 01:46:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-23 01:46:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-23 01:46:54,838 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-23 01:46:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-23 01:46:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-23 01:46:54,839 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-23 01:46:55,026 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-23 01:46:55,027 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-23 01:46:55,028 INFO L202 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:46:55 BoogieIcfgContainer [2021-08-23 01:46:55,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-23 01:46:55,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-23 01:46:55,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-23 01:46:55,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-23 01:46:55,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.08 01:46:54" (1/2) ... [2021-08-23 01:46:55,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3aade7 and model type three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.08 01:46:55, skipping insertion in model container [2021-08-23 01:46:55,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.08 01:46:55" (2/2) ... [2021-08-23 01:46:55,033 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum.wvr.bpl [2021-08-23 01:46:55,036 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-23 01:46:55,036 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-23 01:46:55,036 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-23 01:46:55,036 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-23 01:46:55,075 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-08-23 01:46:55,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-23 01:46:55,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:46:55,119 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) [2021-08-23 01:46:55,119 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 [2021-08-23 01:46:55,141 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-23 01:46:55,145 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, mConcurrency=PARTIAL_ORDER_FA, 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 [2021-08-23 01:46:55,146 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-23 01:46:55,275 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:46:55,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:46:55,281 INFO L82 PathProgramCache]: Analyzing trace with hash 2040651855, now seen corresponding path program 1 times [2021-08-23 01:46:55,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:46:55,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381232103] [2021-08-23 01:46:55,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:46:55,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:46:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:46:55,550 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-23 01:46:55,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:46:55,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381232103] [2021-08-23 01:46:55,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381232103] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:46:55,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542544173] [2021-08-23 01:46:55,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:46:55,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:46:55,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:46:55,552 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) [2021-08-23 01:46:55,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-23 01:46:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:46:55,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-23 01:46:55,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:46:55,778 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-08-23 01:46:55,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542544173] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:46:55,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:46:55,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2021-08-23 01:46:55,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325760160] [2021-08-23 01:46:55,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-23 01:46:55,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:46:55,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-23 01:46:55,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-08-23 01:46:55,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:46:55,798 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:46:55,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.285714285714286) internal successors, (60), 13 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:46:55,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:46:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:46:56,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-23 01:46:56,773 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 [2021-08-23 01:46:56,773 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:46:56,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:46:56,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1411637888, now seen corresponding path program 1 times [2021-08-23 01:46:56,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:46:56,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524802938] [2021-08-23 01:46:56,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:46:56,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:46:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:46:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-08-23 01:46:56,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:46:56,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524802938] [2021-08-23 01:46:56,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524802938] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-23 01:46:56,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-23 01:46:56,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-23 01:46:56,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479267795] [2021-08-23 01:46:56,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-23 01:46:56,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:46:56,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-23 01:46:56,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-23 01:46:56,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:46:56,816 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:46:56,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-08-23 01:46:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:46:56,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:46:56,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:46:56,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:46:56,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-23 01:46:56,833 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:46:56,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:46:56,834 INFO L82 PathProgramCache]: Analyzing trace with hash 149278209, now seen corresponding path program 2 times [2021-08-23 01:46:56,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:46:56,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307320807] [2021-08-23 01:46:56,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:46:56,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:46:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:46:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:46:57,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:46:57,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307320807] [2021-08-23 01:46:57,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307320807] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:46:57,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802297862] [2021-08-23 01:46:57,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:46:57,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:46:57,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:46:57,395 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) [2021-08-23 01:46:57,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-23 01:46:57,460 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:46:57,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:46:57,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 48 conjunts are in the unsatisfiable core [2021-08-23 01:46:57,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:46:57,725 INFO L388 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 [2021-08-23 01:46:57,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:46:57,965 INFO L388 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 36 treesize of output 38 [2021-08-23 01:46:58,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 52 [2021-08-23 01:46:58,317 INFO L388 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 44 treesize of output 47 [2021-08-23 01:46:58,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-08-23 01:46:58,498 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-23 01:46:58,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 47 [2021-08-23 01:46:58,625 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:46:58,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802297862] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:46:58,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:46:58,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-08-23 01:46:58,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983937775] [2021-08-23 01:46:58,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-23 01:46:58,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:46:58,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-23 01:46:58,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2021-08-23 01:46:58,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:46:58,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:46:58,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 23 states have internal predecessors, (65), 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) [2021-08-23 01:46:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-23 01:46:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:46:58,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:00,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-08-23 01:47:00,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:00,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:00,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-23 01:47:00,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:00,286 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:47:00,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:47:00,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1459257111, now seen corresponding path program 3 times [2021-08-23 01:47:00,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:47:00,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112056766] [2021-08-23 01:47:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:47:00,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:47:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:47:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-08-23 01:47:00,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:47:00,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112056766] [2021-08-23 01:47:00,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112056766] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:00,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824813386] [2021-08-23 01:47:00,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:47:00,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:00,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:47:00,373 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) [2021-08-23 01:47:00,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-23 01:47:00,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-08-23 01:47:00,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:47:00,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-23 01:47:00,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:47:00,701 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 146 proven. 4 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-08-23 01:47:00,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824813386] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:00,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:47:00,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-08-23 01:47:00,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080145674] [2021-08-23 01:47:00,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-23 01:47:00,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:47:00,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-23 01:47:00,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-08-23 01:47:00,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:00,703 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:47:00,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:47:00,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2021-08-23 01:47:00,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:00,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:00,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:47:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:00,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:47:00,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-23 01:47:01,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:01,125 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:47:01,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:47:01,125 INFO L82 PathProgramCache]: Analyzing trace with hash 492791936, now seen corresponding path program 2 times [2021-08-23 01:47:01,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:47:01,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610535932] [2021-08-23 01:47:01,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:47:01,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:47:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:47:01,246 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 89 proven. 49 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-08-23 01:47:01,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:47:01,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610535932] [2021-08-23 01:47:01,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610535932] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:01,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208944530] [2021-08-23 01:47:01,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-23 01:47:01,247 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:01,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:47:01,247 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) [2021-08-23 01:47:01,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-23 01:47:01,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-23 01:47:01,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:47:01,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-23 01:47:01,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:47:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 89 proven. 48 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-08-23 01:47:01,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208944530] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:01,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:47:01,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-08-23 01:47:01,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405274227] [2021-08-23 01:47:01,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-23 01:47:01,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:47:01,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-23 01:47:01,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-08-23 01:47:01,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:01,606 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:47:01,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 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) [2021-08-23 01:47:01,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-08-23 01:47:01,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:01,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:01,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:47:01,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:47:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:47:01,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:47:01,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-23 01:47:01,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:01,981 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:47:01,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:47:01,981 INFO L82 PathProgramCache]: Analyzing trace with hash 2097859003, now seen corresponding path program 3 times [2021-08-23 01:47:01,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:47:01,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809467215] [2021-08-23 01:47:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:47:01,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:47:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:47:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 408 proven. 12 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2021-08-23 01:47:02,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:47:02,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809467215] [2021-08-23 01:47:02,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809467215] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:02,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502706336] [2021-08-23 01:47:02,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-23 01:47:02,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:02,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:47:02,047 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) [2021-08-23 01:47:02,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-23 01:47:02,259 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-23 01:47:02,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:47:02,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-23 01:47:02,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:47:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 249 proven. 14 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2021-08-23 01:47:02,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502706336] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:02,544 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:47:02,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-08-23 01:47:02,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090107424] [2021-08-23 01:47:02,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-23 01:47:02,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:47:02,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-23 01:47:02,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-08-23 01:47:02,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:02,545 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:47:02,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.090909090909091) internal successors, (67), 11 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) [2021-08-23 01:47:02,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:47:02,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:02,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:02,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:47:02,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:47:02,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:47:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 01:47:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:47:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:47:02,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-23 01:47:02,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:02,974 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:47:02,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:47:02,974 INFO L82 PathProgramCache]: Analyzing trace with hash -704176641, now seen corresponding path program 4 times [2021-08-23 01:47:02,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:47:02,975 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944710209] [2021-08-23 01:47:02,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:47:02,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:47:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:47:05,221 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 4 proven. 453 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-23 01:47:05,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:47:05,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944710209] [2021-08-23 01:47:05,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944710209] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:05,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782321997] [2021-08-23 01:47:05,222 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-23 01:47:05,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:05,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:47:05,228 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) [2021-08-23 01:47:05,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-23 01:47:05,516 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-23 01:47:05,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:47:05,519 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 150 conjunts are in the unsatisfiable core [2021-08-23 01:47:05,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:47:05,759 INFO L388 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 [2021-08-23 01:47:05,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:05,988 INFO L388 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 36 treesize of output 38 [2021-08-23 01:47:06,363 INFO L388 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 40 treesize of output 43 [2021-08-23 01:47:06,811 INFO L388 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 56 treesize of output 60 [2021-08-23 01:47:07,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:07,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:07,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:07,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:07,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:47:07,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:07,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:47:07,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 79 [2021-08-23 01:47:08,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:08,223 INFO L388 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 106 treesize of output 112 [2021-08-23 01:47:08,925 INFO L388 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 125 treesize of output 138 [2021-08-23 01:47:10,257 INFO L388 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 123 treesize of output 135 [2021-08-23 01:47:10,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:10,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:10,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:10,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:10,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:10,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:10,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:10,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:10,938 INFO L388 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 143 treesize of output 160 [2021-08-23 01:47:11,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:11,675 INFO L388 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 166 treesize of output 186 [2021-08-23 01:47:12,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:12,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:47:12,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 248 treesize of output 273 [2021-08-23 01:47:12,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 361 treesize of output 285 [2021-08-23 01:47:12,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 88 [2021-08-23 01:47:12,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2021-08-23 01:47:12,678 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 466 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-23 01:47:12,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782321997] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:12,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:47:12,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35] total 66 [2021-08-23 01:47:12,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595932950] [2021-08-23 01:47:12,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2021-08-23 01:47:12,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:47:12,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-08-23 01:47:12,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=4175, Unknown=0, NotChecked=0, Total=4422 [2021-08-23 01:47:12,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:12,681 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:47:12,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.671641791044776) internal successors, (179), 66 states have internal predecessors, (179), 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) [2021-08-23 01:47:12,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:47:12,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:12,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:12,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-23 01:47:12,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:47:12,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:47:12,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:21,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:47:21,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:21,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:21,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 01:47:21,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:47:21,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:47:21,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-08-23 01:47:21,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-23 01:47:21,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:21,637 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:47:21,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:47:21,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1683611870, now seen corresponding path program 5 times [2021-08-23 01:47:21,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:47:21,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160711377] [2021-08-23 01:47:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:47:21,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:47:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:47:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 489 proven. 277 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-08-23 01:47:21,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:47:21,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160711377] [2021-08-23 01:47:21,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160711377] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:21,779 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537697397] [2021-08-23 01:47:21,779 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-23 01:47:21,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:21,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:47:21,781 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) [2021-08-23 01:47:21,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-23 01:47:22,393 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2021-08-23 01:47:22,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:47:22,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 35 conjunts are in the unsatisfiable core [2021-08-23 01:47:22,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:47:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 251 proven. 559 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-23 01:47:22,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537697397] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:22,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-23 01:47:22,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 17 [2021-08-23 01:47:22,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102237570] [2021-08-23 01:47:22,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-23 01:47:22,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-23 01:47:22,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-23 01:47:22,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-08-23 01:47:22,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:22,819 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-23 01:47:22,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 17 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-23 01:47:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:47:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-23 01:47:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:47:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:47:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-08-23 01:47:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-23 01:47:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-08-23 01:47:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-23 01:47:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-08-23 01:47:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-23 01:47:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-23 01:47:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-23 01:47:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-08-23 01:47:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-23 01:47:23,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-23 01:47:23,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-08-23 01:47:23,774 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-23 01:47:23,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-23 01:47:23,775 INFO L82 PathProgramCache]: Analyzing trace with hash 152691879, now seen corresponding path program 6 times [2021-08-23 01:47:23,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-23 01:47:23,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946845359] [2021-08-23 01:47:23,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-23 01:47:23,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-23 01:47:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-23 01:47:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 42 proven. 1219 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-08-23 01:47:27,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-23 01:47:27,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946845359] [2021-08-23 01:47:27,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946845359] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-23 01:47:27,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817594073] [2021-08-23 01:47:27,099 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-23 01:47:27,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 01:47:27,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-23 01:47:27,100 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) [2021-08-23 01:47:27,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-23 01:47:27,885 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-08-23 01:47:27,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-23 01:47:27,893 WARN L261 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 260 conjunts are in the unsatisfiable core [2021-08-23 01:47:27,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-23 01:47:28,129 INFO L388 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 [2021-08-23 01:47:28,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:28,370 INFO L388 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 36 treesize of output 38 [2021-08-23 01:47:28,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:47:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:28,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 51 [2021-08-23 01:47:29,352 INFO L388 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 58 treesize of output 64 [2021-08-23 01:47:29,878 INFO L388 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 72 treesize of output 79 [2021-08-23 01:47:31,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,118 INFO L388 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 98 treesize of output 106 [2021-08-23 01:47:31,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:31,684 INFO L388 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 118 treesize of output 131 [2021-08-23 01:47:32,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:32,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:47:32,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 136 [2021-08-23 01:47:34,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:47:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:47:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:34,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 166 [2021-08-23 01:47:35,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:35,276 INFO L388 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 210 treesize of output 228 [2021-08-23 01:47:36,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:36,468 INFO L388 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 186 treesize of output 211 [2021-08-23 01:47:38,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:38,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:47:38,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:38,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:38,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:38,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:38,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:38,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:38,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:38,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-23 01:47:38,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 229 [2021-08-23 01:47:39,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:39,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-23 01:47:40,025 INFO L388 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 223 treesize of output 254 [2021-08-23 01:47:44,737 INFO L388 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 228 treesize of output 260 [2021-08-23 01:47:46,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 245 treesize of output 280 [2021-08-23 01:47:47,690 INFO L354 Elim1Store]: treesize reduction 420, result has 15.3 percent of original size [2021-08-23 01:47:47,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 15 case distinctions, treesize of input 271 treesize of output 311 [2021-08-23 01:47:49,504 INFO L354 Elim1Store]: treesize reduction 638, result has 12.6 percent of original size [2021-08-23 01:47:49,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 33 case distinctions, treesize of input 294 treesize of output 346 [2021-08-23 01:47:56,441 INFO L354 Elim1Store]: treesize reduction 706, result has 58.2 percent of original size [2021-08-23 01:47:56,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 105 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 171 case distinctions, treesize of input 465 treesize of output 1333 [2021-08-23 01:48:03,242 WARN L207 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 738 DAG size of output: 654 [2021-08-23 01:48:03,244 INFO L354 Elim1Store]: treesize reduction 466, result has 72.4 percent of original size [2021-08-23 01:48:03,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 105 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 171 case distinctions, treesize of input 3988 treesize of output 4510 [2021-08-23 01:48:04,119 INFO L354 Elim1Store]: treesize reduction 660, result has 14.1 percent of original size [2021-08-23 01:48:04,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 19 select indices, 19 select index equivalence classes, 136 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 54 case distinctions, treesize of input 5195 treesize of output 4613 Received shutdown request... [2021-08-23 02:01:04,842 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-08-23 02:01:04,844 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-23 02:01:04,852 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 [2021-08-23 02:01:04,856 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-23 02:01:04,857 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 [2021-08-23 02:01:04,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-23 02:01:05,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-23 02:01:05,047 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 151 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 39ms.. [2021-08-23 02:01:05,048 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-23 02:01:05,048 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-23 02:01:05,048 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-23 02:01:05,056 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-23 02:01:05,057 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-23 02:01:05,058 INFO L202 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.08 02:01:05 BasicIcfg [2021-08-23 02:01:05,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-23 02:01:05,059 INFO L168 Benchmark]: Toolchain (without parser) took 850328.96 ms. Allocated memory was 195.0 MB in the beginning and 846.2 MB in the end (delta: 651.2 MB). Free memory was 176.2 MB in the beginning and 459.8 MB in the end (delta: -283.6 MB). Peak memory consumption was 568.0 MB. Max. memory is 8.0 GB. [2021-08-23 02:01:05,059 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 195.0 MB. Free memory is still 177.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 02:01:05,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.10 ms. Allocated memory is still 195.0 MB. Free memory was 176.2 MB in the beginning and 174.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-23 02:01:05,059 INFO L168 Benchmark]: Boogie Preprocessor took 17.80 ms. Allocated memory is still 195.0 MB. Free memory was 174.6 MB in the beginning and 173.7 MB in the end (delta: 872.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-23 02:01:05,059 INFO L168 Benchmark]: RCFGBuilder took 258.91 ms. Allocated memory is still 195.0 MB. Free memory was 173.5 MB in the beginning and 159.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-23 02:01:05,060 INFO L168 Benchmark]: TraceAbstraction took 850028.09 ms. Allocated memory was 195.0 MB in the beginning and 846.2 MB in the end (delta: 651.2 MB). Free memory was 158.7 MB in the beginning and 459.8 MB in the end (delta: -301.1 MB). Peak memory consumption was 550.2 MB. Max. memory is 8.0 GB. [2021-08-23 02:01:05,060 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 0.09 ms. Allocated memory is still 195.0 MB. Free memory is still 177.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.10 ms. Allocated memory is still 195.0 MB. Free memory was 176.2 MB in the beginning and 174.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.80 ms. Allocated memory is still 195.0 MB. Free memory was 174.6 MB in the beginning and 173.7 MB in the end (delta: 872.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 258.91 ms. Allocated memory is still 195.0 MB. Free memory was 173.5 MB in the beginning and 159.2 MB in the end (delta: 14.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 850028.09 ms. Allocated memory was 195.0 MB in the beginning and 846.2 MB in the end (delta: 651.2 MB). Free memory was 158.7 MB in the beginning and 459.8 MB in the end (delta: -301.1 MB). Peak memory consumption was 550.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6034, positive: 4831, positive conditional: 4432, positive unconditional: 399, negative: 1203, negative conditional: 1199, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4988, positive: 4831, positive conditional: 4432, positive unconditional: 399, negative: 157, negative conditional: 153, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4988, positive: 4831, positive conditional: 4432, positive unconditional: 399, negative: 157, negative conditional: 153, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5711, positive: 4831, positive conditional: 4262, positive unconditional: 569, negative: 880, negative conditional: 723, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5711, positive: 4831, positive conditional: 4190, positive unconditional: 641, negative: 880, negative conditional: 723, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5711, positive: 4831, positive conditional: 4190, positive unconditional: 641, negative: 880, negative conditional: 723, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 516, positive: 399, positive conditional: 66, positive unconditional: 333, negative: 117, negative conditional: 111, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 516, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 173, negative conditional: 0, negative unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 173, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 117, negative conditional: 111, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 291, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 205, negative conditional: 156, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5711, positive: 4432, positive conditional: 4124, positive unconditional: 308, negative: 763, negative conditional: 612, negative unconditional: 151, unknown: 516, unknown conditional: 177, unknown unconditional: 339] , Statistics on independence cache: Total cache size (in pairs): 516, Positive cache size: 399, Positive conditional cache size: 66, Positive unconditional cache size: 333, Negative cache size: 117, Negative conditional cache size: 111, Negative unconditional cache size: 6, Eliminated conditions: 72, Maximal queried relation: 7, Independence queries for same thread: 1046 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 89, Number of persistent set computation: 74, Number of trivial persistent sets: 28, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 403, positive: 399, positive conditional: 0, positive unconditional: 399, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6034, positive: 4831, positive conditional: 4432, positive unconditional: 399, negative: 1203, negative conditional: 1199, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4988, positive: 4831, positive conditional: 4432, positive unconditional: 399, negative: 157, negative conditional: 153, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4988, positive: 4831, positive conditional: 4432, positive unconditional: 399, negative: 157, negative conditional: 153, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5711, positive: 4831, positive conditional: 4262, positive unconditional: 569, negative: 880, negative conditional: 723, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5711, positive: 4831, positive conditional: 4190, positive unconditional: 641, negative: 880, negative conditional: 723, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5711, positive: 4831, positive conditional: 4190, positive unconditional: 641, negative: 880, negative conditional: 723, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 516, positive: 399, positive conditional: 66, positive unconditional: 333, negative: 117, negative conditional: 111, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 516, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 173, negative conditional: 0, negative unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 173, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 117, negative conditional: 111, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 291, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 205, negative conditional: 156, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5711, positive: 4432, positive conditional: 4124, positive unconditional: 308, negative: 763, negative conditional: 612, negative unconditional: 151, unknown: 516, unknown conditional: 177, unknown unconditional: 339] , Statistics on independence cache: Total cache size (in pairs): 516, Positive cache size: 399, Positive conditional cache size: 66, Positive unconditional cache size: 333, Negative cache size: 117, Negative conditional cache size: 111, Negative unconditional cache size: 6, Eliminated conditions: 72, Maximal queried relation: 7, Independence queries for same thread: 1046 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 151 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 39ms.. - TimeoutResultAtElement [Line: 64]: 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 151 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 39ms.. - TimeoutResultAtElement [Line: 64]: 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 151 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 39ms.. - TimeoutResultAtElement [Line: 65]: 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 151 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 39ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 849940.1ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.3ms, PartialOrderReductionTime: 12442.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 242, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 77.5ms SsaConstructionTime, 561.7ms SatisfiabilityAnalysisTime, 12621.6ms InterpolantComputationTime, 1164 NumberOfCodeBlocks, 1055 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1149 ConstructedInterpolants, 0 QuantifiedInterpolants, 22390 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1249 ConjunctsInSsa, 266 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 3251/5235 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