/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-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 00:57:55,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 00:57:55,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 00:57:55,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 00:57:55,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-25 00:57:55,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-25 00:57:55,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-25 00:57:55,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-25 00:57:55,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-25 00:57:55,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-25 00:57:55,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-25 00:57:55,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-25 00:57:55,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-25 00:57:55,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-25 00:57:55,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-25 00:57:55,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-25 00:57:55,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-25 00:57:55,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-25 00:57:55,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-25 00:57:55,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-25 00:57:55,937 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-Uncond-NoLbe-Lockstep.epf [2021-10-25 00:57:55,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 00:57:55,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 00:57:55,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 00:57:55,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 00:57:55,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 00:57:55,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 00:57:55,951 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 00:57:55,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 00:57:55,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 00:57:55,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 00:57:55,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 00:57:55,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 00:57:55,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 00:57:55,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 00:57:55,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 00:57:55,957 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 00:57:55,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 00:57:55,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 00:57:55,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 00:57:55,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 00:57:55,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 00:57:55,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 00:57:55,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 00:57:55,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 00:57:55,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 00:57:55,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 00:57:55,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 00:57:55,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 00:57:55,958 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-25 00:57:55,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 00:57:55,959 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 00:57:55,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 00:57:55,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 00:57:55,959 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 00:57:55,959 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 00:57:55,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 00:57:55,959 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 00:57:56,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 00:57:56,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 00:57:56,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 00:57:56,167 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-25 00:57:56,170 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-25 00:57:56,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl [2021-10-25 00:57:56,171 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp3x3.wvr.bpl' [2021-10-25 00:57:56,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 00:57:56,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-25 00:57:56,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 00:57:56,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 00:57:56,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 00:57:56,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/1) ... [2021-10-25 00:57:56,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/1) ... [2021-10-25 00:57:56,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 00:57:56,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 00:57:56,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 00:57:56,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 00:57:56,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/1) ... [2021-10-25 00:57:56,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/1) ... [2021-10-25 00:57:56,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/1) ... [2021-10-25 00:57:56,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/1) ... [2021-10-25 00:57:56,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/1) ... [2021-10-25 00:57:56,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/1) ... [2021-10-25 00:57:56,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/1) ... [2021-10-25 00:57:56,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 00:57:56,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 00:57:56,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 00:57:56,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 00:57:56,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/1) ... [2021-10-25 00:57:56,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 00:57:56,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:57:56,264 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) [2021-10-25 00:57:56,278 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 [2021-10-25 00:57:56,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-10-25 00:57:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-25 00:57:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-25 00:57:56,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-10-25 00:57:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-25 00:57:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-25 00:57:56,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-25 00:57:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 00:57:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 00:57:56,290 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-10-25 00:57:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-25 00:57:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-25 00:57:56,291 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-10-25 00:57:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-25 00:57:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-25 00:57:56,291 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-10-25 00:57:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-10-25 00:57:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-10-25 00:57:56,292 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-10-25 00:57:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-10-25 00:57:56,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-10-25 00:57:56,293 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 00:57:56,407 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 00:57:56,407 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-10-25 00:57:56,408 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:57:56 BoogieIcfgContainer [2021-10-25 00:57:56,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 00:57:56,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 00:57:56,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 00:57:56,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 00:57:56,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.10 12:57:56" (1/2) ... [2021-10-25 00:57:56,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32177ca4 and model type exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:57:56, skipping insertion in model container [2021-10-25 00:57:56,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:57:56" (2/2) ... [2021-10-25 00:57:56,423 INFO L111 eAbstractionObserver]: Analyzing ICFG exp3x3.wvr.bpl [2021-10-25 00:57:56,426 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 00:57:56,426 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 00:57:56,426 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 00:57:56,426 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 00:57:56,526 INFO L148 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-10-25 00:57:56,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 00:57:56,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:57:56,556 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) [2021-10-25 00:57:56,561 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 [2021-10-25 00:57:56,582 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 00:57:56,585 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 [2021-10-25 00:57:56,585 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-25 00:57:56,798 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-25 00:57:56,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:57:56,804 INFO L82 PathProgramCache]: Analyzing trace with hash 16559203, now seen corresponding path program 1 times [2021-10-25 00:57:56,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:57:56,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785014666] [2021-10-25 00:57:56,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:57:56,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:57:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:57:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 15 proven. 201 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-25 00:57:57,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:57:57,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785014666] [2021-10-25 00:57:57,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785014666] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:57:57,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918109966] [2021-10-25 00:57:57,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:57:57,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:57:57,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:57:57,164 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) [2021-10-25 00:57:57,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-25 00:57:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:57:57,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-25 00:57:57,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 00:57:57,733 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 113 proven. 20 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-25 00:57:57,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918109966] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:57:57,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 00:57:57,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2021-10-25 00:57:57,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165968746] [2021-10-25 00:57:57,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-25 00:57:57,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:57:57,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-25 00:57:57,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2021-10-25 00:57:57,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:57:57,757 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:57:57,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.0625) internal successors, (129), 15 states have internal predecessors, (129), 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) [2021-10-25 00:57:57,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:57:58,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:57:58,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-25 00:57:58,227 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 [2021-10-25 00:57:58,228 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-25 00:57:58,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:57:58,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1914483583, now seen corresponding path program 2 times [2021-10-25 00:57:58,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:57:58,228 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605252209] [2021-10-25 00:57:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:57:58,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:57:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:57:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 186 proven. 44 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-10-25 00:57:58,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:57:58,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605252209] [2021-10-25 00:57:58,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605252209] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:57:58,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447269370] [2021-10-25 00:57:58,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-25 00:57:58,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:57:58,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:57:58,379 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) [2021-10-25 00:57:58,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-25 00:57:58,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-25 00:57:58,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 00:57:58,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-25 00:57:58,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 00:57:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 179 proven. 31 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-10-25 00:57:58,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447269370] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:57:58,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 00:57:58,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2021-10-25 00:57:58,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894069227] [2021-10-25 00:57:58,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-25 00:57:58,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:57:58,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-25 00:57:58,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-10-25 00:57:58,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:57:58,953 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:57:58,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.7368421052631575) internal successors, (128), 18 states have internal predecessors, (128), 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) [2021-10-25 00:57:58,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:57:58,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:57:59,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:57:59,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:57:59,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-25 00:57:59,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:57:59,752 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-25 00:57:59,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:57:59,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1859972379, now seen corresponding path program 3 times [2021-10-25 00:57:59,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:57:59,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324060761] [2021-10-25 00:57:59,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:57:59,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:57:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:57:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 161 proven. 246 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-25 00:57:59,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:57:59,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324060761] [2021-10-25 00:57:59,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324060761] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:57:59,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484426909] [2021-10-25 00:57:59,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-25 00:57:59,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:57:59,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:57:59,931 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) [2021-10-25 00:57:59,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-25 00:58:00,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-10-25 00:58:00,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 00:58:00,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-25 00:58:00,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 00:58:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 336 proven. 68 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-25 00:58:01,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484426909] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:58:01,878 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 00:58:01,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 31 [2021-10-25 00:58:01,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151797169] [2021-10-25 00:58:01,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-10-25 00:58:01,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:58:01,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-10-25 00:58:01,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=844, Unknown=0, NotChecked=0, Total=992 [2021-10-25 00:58:01,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:58:01,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:58:01,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.46875) internal successors, (207), 31 states have internal predecessors, (207), 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) [2021-10-25 00:58:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:58:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:58:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:58:05,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 00:58:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:58:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 00:58:05,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-10-25 00:58:05,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:58:05,976 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-25 00:58:05,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:58:05,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1243452917, now seen corresponding path program 4 times [2021-10-25 00:58:05,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:58:05,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571015021] [2021-10-25 00:58:05,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:58:05,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:58:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:58:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 640 proven. 348 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-25 00:58:06,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:58:06,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571015021] [2021-10-25 00:58:06,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571015021] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:58:06,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497909436] [2021-10-25 00:58:06,370 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-25 00:58:06,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:58:06,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:58:06,371 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) [2021-10-25 00:58:06,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-25 00:58:06,608 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-25 00:58:06,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 00:58:06,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 23 conjunts are in the unsatisfiable core [2021-10-25 00:58:06,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 00:58:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1007 backedges. 844 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-10-25 00:58:08,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497909436] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:58:08,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 00:58:08,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 23] total 48 [2021-10-25 00:58:08,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232470776] [2021-10-25 00:58:08,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-10-25 00:58:08,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:58:08,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-10-25 00:58:08,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=2081, Unknown=0, NotChecked=0, Total=2352 [2021-10-25 00:58:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:58:08,518 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:58:08,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 5.918367346938775) internal successors, (290), 48 states have internal predecessors, (290), 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) [2021-10-25 00:58:08,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 00:58:08,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:58:08,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 00:58:08,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:58:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 00:58:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:58:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 00:58:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 00:58:15,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-25 00:58:15,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:58:15,920 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-25 00:58:15,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:58:15,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1799590175, now seen corresponding path program 5 times [2021-10-25 00:58:15,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:58:15,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724109418] [2021-10-25 00:58:15,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:58:15,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:58:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:58:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 71 proven. 253 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2021-10-25 00:58:16,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:58:16,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724109418] [2021-10-25 00:58:16,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724109418] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:58:16,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857939777] [2021-10-25 00:58:16,052 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-25 00:58:16,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:58:16,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:58:16,053 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) [2021-10-25 00:58:16,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-25 00:58:16,368 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2021-10-25 00:58:16,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 00:58:16,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-25 00:58:16,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 00:58:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 938 backedges. 778 proven. 145 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-25 00:58:18,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857939777] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:58:18,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 00:58:18,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 27] total 30 [2021-10-25 00:58:18,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95096031] [2021-10-25 00:58:18,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-10-25 00:58:18,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:58:18,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-10-25 00:58:18,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=736, Unknown=0, NotChecked=0, Total=930 [2021-10-25 00:58:18,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:58:18,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:58:18,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 6.258064516129032) internal successors, (194), 30 states have internal predecessors, (194), 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) [2021-10-25 00:58:18,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 00:58:18,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:58:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 00:58:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 00:58:18,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:58:28,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 00:58:28,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:58:28,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 00:58:28,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 00:58:28,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 00:58:28,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-25 00:58:28,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:58:28,219 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-25 00:58:28,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:58:28,219 INFO L82 PathProgramCache]: Analyzing trace with hash -46300173, now seen corresponding path program 6 times [2021-10-25 00:58:28,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:58:28,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116507998] [2021-10-25 00:58:28,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:58:28,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:58:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:58:28,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 39 proven. 74 refuted. 0 times theorem prover too weak. 1498 trivial. 0 not checked. [2021-10-25 00:58:28,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:58:28,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116507998] [2021-10-25 00:58:28,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116507998] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:58:28,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876829617] [2021-10-25 00:58:28,441 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-25 00:58:28,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:58:28,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:58:28,442 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) [2021-10-25 00:58:28,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-25 00:58:28,827 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2021-10-25 00:58:28,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-25 00:58:28,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-25 00:58:28,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-25 00:58:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1611 backedges. 1555 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 00:58:33,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876829617] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:58:33,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-25 00:58:33,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 41] total 44 [2021-10-25 00:58:33,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680380262] [2021-10-25 00:58:33,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2021-10-25 00:58:33,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:58:33,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-10-25 00:58:33,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=1548, Unknown=0, NotChecked=0, Total=1980 [2021-10-25 00:58:33,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:58:33,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:58:33,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.555555555555555) internal successors, (250), 44 states have internal predecessors, (250), 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) [2021-10-25 00:58:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-25 00:58:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:58:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-10-25 00:58:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-10-25 00:58:33,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-10-25 00:58:33,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:58:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 00:58:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-25 00:58:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-10-25 00:58:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-25 00:58:42,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-10-25 00:58:42,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-10-25 00:58:42,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-25 00:58:42,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:58:42,697 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2021-10-25 00:58:42,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:58:42,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1047797745, now seen corresponding path program 7 times [2021-10-25 00:58:42,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:58:42,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569057086] [2021-10-25 00:58:42,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:58:42,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:58:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:58:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2412 backedges. 0 proven. 516 refuted. 0 times theorem prover too weak. 1896 trivial. 0 not checked. [2021-10-25 00:58:44,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:58:44,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569057086] [2021-10-25 00:58:44,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569057086] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-25 00:58:44,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681267391] [2021-10-25 00:58:44,609 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-25 00:58:44,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-25 00:58:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:58:44,612 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) [2021-10-25 00:58:44,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-25 00:58:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:58:45,159 WARN L261 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 247 conjunts are in the unsatisfiable core [2021-10-25 00:58:45,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-10-25 01:12:30,542 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 [2021-10-25 01:12:30,542 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 [2021-10-25 01:12:30,542 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-25 01:12:31,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-25 01:12:31,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-25 01:12:31,747 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-25 01:12:31,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2021-10-25 01:12:31,762 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-10-25 01:12:31,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-25 01:12:31,762 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2021-10-25 01:12:31,763 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 01:12:31,764 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 01:12:31,764 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-25 01:12:31,764 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-25 01:12:31,764 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-25 01:12:31,764 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-25 01:12:31,769 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 01:12:31,769 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 01:12:31,771 INFO L202 PluginConnector]: Adding new model exp3x3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 01:12:31 BasicIcfg [2021-10-25 01:12:31,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 01:12:31,772 INFO L168 Benchmark]: Toolchain (without parser) took 875579.17 ms. Allocated memory was 219.2 MB in the beginning and 594.5 MB in the end (delta: 375.4 MB). Free memory was 183.5 MB in the beginning and 391.0 MB in the end (delta: -207.5 MB). Peak memory consumption was 168.5 MB. Max. memory is 8.0 GB. [2021-10-25 01:12:31,772 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 219.2 MB. Free memory is still 184.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 01:12:31,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.09 ms. Allocated memory is still 219.2 MB. Free memory was 183.3 MB in the beginning and 181.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-25 01:12:31,772 INFO L168 Benchmark]: Boogie Preprocessor took 19.68 ms. Allocated memory is still 219.2 MB. Free memory was 181.8 MB in the beginning and 180.9 MB in the end (delta: 899.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 01:12:31,772 INFO L168 Benchmark]: RCFGBuilder took 169.13 ms. Allocated memory is still 219.2 MB. Free memory was 180.8 MB in the beginning and 167.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-25 01:12:31,773 INFO L168 Benchmark]: TraceAbstraction took 875361.20 ms. Allocated memory was 219.2 MB in the beginning and 594.5 MB in the end (delta: 375.4 MB). Free memory was 167.4 MB in the beginning and 391.0 MB in the end (delta: -223.6 MB). Peak memory consumption was 152.7 MB. Max. memory is 8.0 GB. [2021-10-25 01:12:31,774 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 219.2 MB. Free memory is still 184.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.09 ms. Allocated memory is still 219.2 MB. Free memory was 183.3 MB in the beginning and 181.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 19.68 ms. Allocated memory is still 219.2 MB. Free memory was 181.8 MB in the beginning and 180.9 MB in the end (delta: 899.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 169.13 ms. Allocated memory is still 219.2 MB. Free memory was 180.8 MB in the beginning and 167.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 875361.20 ms. Allocated memory was 219.2 MB in the beginning and 594.5 MB in the end (delta: 375.4 MB). Free memory was 167.4 MB in the beginning and 391.0 MB in the end (delta: -223.6 MB). Peak memory consumption was 152.7 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: 32444, positive: 29679, positive conditional: 28046, positive unconditional: 1633, negative: 2765, negative conditional: 2765, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 0, positive unconditional: 29679, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1401, positive: 1401, positive conditional: 0, positive unconditional: 1401, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1401, positive: 1401, positive conditional: 0, positive unconditional: 1401, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29679, positive: 28278, positive conditional: 0, positive unconditional: 28278, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1401, unknown conditional: 0, unknown unconditional: 1401] , Statistics on independence cache: Total cache size (in pairs): 1401, Positive cache size: 1401, Positive conditional cache size: 0, Positive unconditional cache size: 1401, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2765 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 107, Number of persistent set computation: 316, Number of trivial persistent sets: 24, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32444, positive: 29679, positive conditional: 28046, positive unconditional: 1633, negative: 2765, negative conditional: 2765, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29679, positive: 29679, positive conditional: 0, positive unconditional: 29679, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1401, positive: 1401, positive conditional: 0, positive unconditional: 1401, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1401, positive: 1401, positive conditional: 0, positive unconditional: 1401, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29679, positive: 28278, positive conditional: 0, positive unconditional: 28278, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1401, unknown conditional: 0, unknown unconditional: 1401] , Statistics on independence cache: Total cache size (in pairs): 1401, Positive cache size: 1401, Positive conditional cache size: 0, Positive unconditional cache size: 1401, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2765 - 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: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 72]: 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 70]: 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 71]: 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 69]: 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 73]: 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 69]: 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 268 with TraceHistMax 22,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 13 procedures, 72 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 875215.9ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 42.0ms, PartialOrderReductionTime: 30459.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 299, 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: 122.9ms SsaConstructionTime, 529.2ms SatisfiabilityAnalysisTime, 12602.2ms InterpolantComputationTime, 1792 NumberOfCodeBlocks, 1781 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1780 ConstructedInterpolants, 0 QuantifiedInterpolants, 23090 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1720 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 12 InterpolantComputations, 0 PerfectInterpolantSequences, 7507/9074 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