/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 04:38:13,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 04:38:13,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 04:38:13,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-02 04:38:14,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 04:38:14,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 04:38:14,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 04:38:14,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 04:38:14,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 04:38:14,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 04:38:14,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 04:38:14,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 04:38:14,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 04:38:14,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 04:38:14,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 04:38:14,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 04:38:14,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 04:38:14,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 04:38:14,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 04:38:14,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 04:38:14,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 04:38:14,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 04:38:14,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 04:38:14,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 04:38:14,051 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 04:38:14,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 04:38:14,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 04:38:14,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 04:38:14,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 04:38:14,052 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 04:38:14,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 04:38:14,052 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 04:38:14,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 04:38:14,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 04:38:14,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 04:38:14,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 04:38:14,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 04:38:14,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 04:38:14,053 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 04:38:14,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 04:38:14,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 04:38:14,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 04:38:14,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 04:38:14,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 04:38:14,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 04:38:14,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 04:38:14,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:38:14,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 04:38:14,055 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 04:38:14,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 04:38:14,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 04:38:14,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 04:38:14,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 04:38:14,057 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 04:38:14,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 04:38:14,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 04:38:14,057 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 04:38:14,057 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 04:38:14,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 04:38:14,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 04:38:14,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 04:38:14,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 04:38:14,274 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 04:38:14,281 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 04:38:14,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2022-03-02 04:38:14,283 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2022-03-02 04:38:14,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 04:38:14,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 04:38:14,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 04:38:14,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 04:38:14,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 04:38:14,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/1) ... [2022-03-02 04:38:14,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/1) ... [2022-03-02 04:38:14,322 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 04:38:14,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 04:38:14,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 04:38:14,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 04:38:14,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 04:38:14,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/1) ... [2022-03-02 04:38:14,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/1) ... [2022-03-02 04:38:14,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/1) ... [2022-03-02 04:38:14,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/1) ... [2022-03-02 04:38:14,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/1) ... [2022-03-02 04:38:14,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/1) ... [2022-03-02 04:38:14,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/1) ... [2022-03-02 04:38:14,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 04:38:14,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 04:38:14,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 04:38:14,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 04:38:14,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/1) ... [2022-03-02 04:38:14,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 04:38:14,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:38:14,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 04:38:14,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 04:38:14,389 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 04:38:14,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 04:38:14,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 04:38:14,390 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 04:38:14,390 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 04:38:14,390 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 04:38:14,390 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 04:38:14,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 04:38:14,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 04:38:14,391 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 04:38:14,422 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 04:38:14,423 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 04:38:14,537 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 04:38:14,549 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 04:38:14,549 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 04:38:14,551 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:38:14 BoogieIcfgContainer [2022-03-02 04:38:14,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 04:38:14,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 04:38:14,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 04:38:14,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 04:38:14,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 04:38:14" (1/2) ... [2022-03-02 04:38:14,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd28495 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 04:38:14, skipping insertion in model container [2022-03-02 04:38:14,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 04:38:14" (2/2) ... [2022-03-02 04:38:14,562 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2022-03-02 04:38:14,565 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 04:38:14,566 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 04:38:14,566 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 04:38:14,566 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 04:38:14,611 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-02 04:38:14,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 04:38:14,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:38:14,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 04:38:14,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 04:38:14,703 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 04:38:14,709 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 04:38:14,710 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-02 04:38:14,781 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 113 transitions and produced 98 states. [2022-03-02 04:38:14,782 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:38:14,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:38:14,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1541608019, now seen corresponding path program 1 times [2022-03-02 04:38:14,792 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:38:14,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158340038] [2022-03-02 04:38:14,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:38:14,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:38:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:38:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-03-02 04:38:14,941 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:38:14,941 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158340038] [2022-03-02 04:38:14,942 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158340038] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 04:38:14,942 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 04:38:14,942 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 04:38:14,943 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803474449] [2022-03-02 04:38:14,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 04:38:14,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 04:38:14,946 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:38:14,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 04:38:14,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 04:38:14,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:38:14,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:38:14,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:38:14,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:38:14,993 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 126 transitions and produced 104 states. [2022-03-02 04:38:14,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:14,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-02 04:38:14,994 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:38:14,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:38:14,994 INFO L85 PathProgramCache]: Analyzing trace with hash -434184473, now seen corresponding path program 2 times [2022-03-02 04:38:14,994 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:38:14,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999781912] [2022-03-02 04:38:14,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:38:14,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:38:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:38:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-03-02 04:38:15,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:38:15,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999781912] [2022-03-02 04:38:15,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999781912] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 04:38:15,043 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 04:38:15,043 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 04:38:15,043 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354544127] [2022-03-02 04:38:15,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 04:38:15,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 04:38:15,044 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:38:15,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 04:38:15,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 04:38:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:38:15,045 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:38:15,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:38:15,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:15,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:38:15,066 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 113 transitions and produced 94 states. [2022-03-02 04:38:15,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:15,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:15,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-02 04:38:15,067 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:38:15,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:38:15,068 INFO L85 PathProgramCache]: Analyzing trace with hash 945030473, now seen corresponding path program 3 times [2022-03-02 04:38:15,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:38:15,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310400553] [2022-03-02 04:38:15,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:38:15,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:38:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:38:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 4 proven. 89 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-03-02 04:38:15,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:38:15,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310400553] [2022-03-02 04:38:15,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310400553] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:38:15,739 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491179558] [2022-03-02 04:38:15,739 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 04:38:15,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:38:15,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:38:15,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:38:15,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 04:38:15,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-03-02 04:38:15,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:38:15,815 WARN L261 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 37 conjunts are in the unsatisfiable core [2022-03-02 04:38:15,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:38:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:38:18,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:38:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:38:20,157 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491179558] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:38:20,157 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:38:20,158 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 26, 26] total 62 [2022-03-02 04:38:20,158 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576086312] [2022-03-02 04:38:20,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:38:20,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-02 04:38:20,158 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:38:20,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-02 04:38:20,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=3470, Unknown=0, NotChecked=0, Total=3906 [2022-03-02 04:38:20,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:38:20,161 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:38:20,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.8253968253968254) internal successors, (115), 62 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:38:20,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:20,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:20,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:38:25,846 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 191 transitions and produced 139 states. [2022-03-02 04:38:25,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:25,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:25,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-02 04:38:25,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 04:38:26,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-02 04:38:26,048 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:38:26,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:38:26,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1609484977, now seen corresponding path program 4 times [2022-03-02 04:38:26,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:38:26,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029993576] [2022-03-02 04:38:26,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:38:26,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:38:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:38:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 27 proven. 250 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-03-02 04:38:26,585 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:38:26,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029993576] [2022-03-02 04:38:26,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029993576] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:38:26,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946458095] [2022-03-02 04:38:26,585 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 04:38:26,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:38:26,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:38:26,592 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:38:26,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 04:38:26,626 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 04:38:26,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:38:26,628 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 56 conjunts are in the unsatisfiable core [2022-03-02 04:38:26,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:38:32,464 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:38:32,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:38:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 359 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:38:35,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946458095] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:38:35,025 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:38:35,025 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 39, 39] total 90 [2022-03-02 04:38:35,025 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278652841] [2022-03-02 04:38:35,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:38:35,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-03-02 04:38:35,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:38:35,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-03-02 04:38:35,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=935, Invalid=7255, Unknown=0, NotChecked=0, Total=8190 [2022-03-02 04:38:35,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:38:35,029 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:38:35,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 1.8461538461538463) internal successors, (168), 90 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:38:35,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:35,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:35,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-03-02 04:38:35,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:38:45,358 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 265 transitions and produced 181 states. [2022-03-02 04:38:45,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:45,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:38:45,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:38:45,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:38:45,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-02 04:38:45,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:38:45,576 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:38:45,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:38:45,577 INFO L85 PathProgramCache]: Analyzing trace with hash 333719425, now seen corresponding path program 5 times [2022-03-02 04:38:45,577 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:38:45,577 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404469443] [2022-03-02 04:38:45,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:38:45,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:38:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:39:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 51 proven. 389 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-03-02 04:39:07,323 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:39:07,323 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404469443] [2022-03-02 04:39:07,324 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404469443] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:39:07,324 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966552653] [2022-03-02 04:39:07,324 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 04:39:07,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:39:07,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:39:07,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:39:07,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 04:39:07,385 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2022-03-02 04:39:07,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:39:07,386 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 66 conjunts are in the unsatisfiable core [2022-03-02 04:39:07,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:39:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 558 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:39:17,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:39:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 558 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:39:36,436 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966552653] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:39:36,436 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:39:36,436 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 46, 47] total 108 [2022-03-02 04:39:36,436 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238783995] [2022-03-02 04:39:36,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:39:36,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2022-03-02 04:39:36,437 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:39:36,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2022-03-02 04:39:36,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1250, Invalid=10522, Unknown=0, NotChecked=0, Total=11772 [2022-03-02 04:39:36,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:39:36,440 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:39:36,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 1.8440366972477065) internal successors, (201), 108 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:39:36,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:39:36,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:39:36,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:39:36,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-02 04:39:36,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:39:48,573 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 285 transitions and produced 196 states. [2022-03-02 04:39:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:39:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:39:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:39:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-02 04:39:48,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-02 04:39:48,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 04:39:48,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:39:48,789 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:39:48,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:39:48,789 INFO L85 PathProgramCache]: Analyzing trace with hash 960521341, now seen corresponding path program 6 times [2022-03-02 04:39:48,789 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:39:48,790 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783297183] [2022-03-02 04:39:48,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:39:48,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:39:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:39:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 35 proven. 489 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-03-02 04:39:49,234 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:39:49,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783297183] [2022-03-02 04:39:49,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783297183] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:39:49,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138675856] [2022-03-02 04:39:49,239 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 04:39:49,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:39:49,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:39:49,242 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:39:49,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 04:39:49,288 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2022-03-02 04:39:49,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:39:49,290 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 70 conjunts are in the unsatisfiable core [2022-03-02 04:39:49,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:39:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:39:59,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:40:03,542 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 0 proven. 646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:40:03,543 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138675856] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:40:03,543 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:40:03,543 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 49, 49] total 111 [2022-03-02 04:40:03,543 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573802463] [2022-03-02 04:40:03,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:40:03,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2022-03-02 04:40:03,544 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:40:03,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2022-03-02 04:40:03,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1385, Invalid=11047, Unknown=0, NotChecked=0, Total=12432 [2022-03-02 04:40:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:40:03,547 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:40:03,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 1.8392857142857142) internal successors, (206), 111 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:40:03,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:40:03,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:40:03,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:40:03,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-02 04:40:03,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-03-02 04:40:03,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:40:21,016 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 427 transitions and produced 284 states. [2022-03-02 04:40:21,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:40:21,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:40:21,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:40:21,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-02 04:40:21,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:40:21,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:40:21,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-02 04:40:21,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:40:21,217 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:40:21,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:40:21,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1790731173, now seen corresponding path program 7 times [2022-03-02 04:40:21,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:40:21,218 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145204129] [2022-03-02 04:40:21,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:40:21,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:40:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:40:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 64 proven. 817 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-03-02 04:40:21,852 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:40:21,852 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145204129] [2022-03-02 04:40:21,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145204129] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:40:21,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159476234] [2022-03-02 04:40:21,853 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 04:40:21,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:40:21,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:40:21,854 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:40:21,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 04:40:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:40:21,902 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 79 conjunts are in the unsatisfiable core [2022-03-02 04:40:21,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:40:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 0 proven. 1078 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:40:46,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:40:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 0 proven. 1078 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:40:51,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159476234] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:40:51,550 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:40:51,550 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 57, 57] total 130 [2022-03-02 04:40:51,550 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153943038] [2022-03-02 04:40:51,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:40:51,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2022-03-02 04:40:51,551 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:40:51,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2022-03-02 04:40:51,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1886, Invalid=15144, Unknown=0, NotChecked=0, Total=17030 [2022-03-02 04:40:51,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:40:51,555 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:40:51,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 1.8396946564885497) internal successors, (241), 130 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:40:51,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:40:51,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:40:51,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:40:51,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-02 04:40:51,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-02 04:40:51,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:40:51,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:41:20,480 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 537 transitions and produced 345 states. [2022-03-02 04:41:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:41:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:41:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:41:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:41:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-02 04:41:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:41:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-03-02 04:41:20,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 04:41:20,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:41:20,689 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:41:20,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:41:20,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1753591651, now seen corresponding path program 8 times [2022-03-02 04:41:20,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:41:20,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209717477] [2022-03-02 04:41:20,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:41:20,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:41:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:41:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 107 proven. 1101 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-03-02 04:41:21,556 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:41:21,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209717477] [2022-03-02 04:41:21,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209717477] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:41:21,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561437886] [2022-03-02 04:41:21,556 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 04:41:21,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:41:21,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:41:21,560 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:41:21,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 04:41:21,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 04:41:21,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:41:21,637 WARN L261 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 95 conjunts are in the unsatisfiable core [2022-03-02 04:41:21,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:41:55,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 1506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:41:55,876 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:42:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1506 backedges. 0 proven. 1506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:42:01,763 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561437886] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:42:01,763 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:42:01,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 68, 68] total 152 [2022-03-02 04:42:01,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540254846] [2022-03-02 04:42:01,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:42:01,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2022-03-02 04:42:01,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:42:01,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2022-03-02 04:42:01,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2812, Invalid=20444, Unknown=0, NotChecked=0, Total=23256 [2022-03-02 04:42:01,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:42:01,769 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:42:01,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 1.8431372549019607) internal successors, (282), 152 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:42:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:42:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:42:01,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:42:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:42:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-02 04:42:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:42:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-03-02 04:42:01,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:42:28,422 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 608 transitions and produced 386 states. [2022-03-02 04:42:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:42:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:42:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:42:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:42:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-02 04:42:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:42:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-03-02 04:42:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-02 04:42:28,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-02 04:42:28,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:42:28,644 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:42:28,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:42:28,644 INFO L85 PathProgramCache]: Analyzing trace with hash 363551343, now seen corresponding path program 9 times [2022-03-02 04:42:28,644 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:42:28,644 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917196153] [2022-03-02 04:42:28,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:42:28,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:42:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:42:29,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 142 proven. 1558 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-03-02 04:42:29,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:42:29,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917196153] [2022-03-02 04:42:29,440 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917196153] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:42:29,440 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491418498] [2022-03-02 04:42:29,440 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 04:42:29,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:42:29,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:42:29,441 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:42:29,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-02 04:42:29,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 42 check-sat command(s) [2022-03-02 04:42:29,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:42:29,536 WARN L261 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 108 conjunts are in the unsatisfiable core [2022-03-02 04:42:29,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:43:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 0 proven. 1968 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:43:16,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:43:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1968 backedges. 0 proven. 1968 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:43:25,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491418498] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:43:25,611 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:43:25,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 77, 77] total 174 [2022-03-02 04:43:25,613 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139103620] [2022-03-02 04:43:25,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:43:25,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 175 states [2022-03-02 04:43:25,615 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:43:25,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2022-03-02 04:43:25,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3726, Invalid=26724, Unknown=0, NotChecked=0, Total=30450 [2022-03-02 04:43:25,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:43:25,620 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:43:25,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 175 states, 175 states have (on average 1.8514285714285714) internal successors, (324), 174 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:43:25,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:43:25,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:43:25,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:43:25,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:43:25,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-02 04:43:25,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:43:25,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-03-02 04:43:25,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-02 04:43:25,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:43:59,807 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 636 transitions and produced 405 states. [2022-03-02 04:43:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:43:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:43:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:43:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:43:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-02 04:43:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:43:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-03-02 04:43:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-02 04:43:59,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-02 04:43:59,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-02 04:44:00,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-02 04:44:00,018 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:44:00,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:44:00,018 INFO L85 PathProgramCache]: Analyzing trace with hash 2047797099, now seen corresponding path program 10 times [2022-03-02 04:44:00,018 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:44:00,018 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647265334] [2022-03-02 04:44:00,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:44:00,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:44:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:44:09,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 299 proven. 1266 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2022-03-02 04:44:09,237 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:44:09,237 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647265334] [2022-03-02 04:44:09,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647265334] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:44:09,237 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166425686] [2022-03-02 04:44:09,237 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 04:44:09,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:44:09,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:44:09,239 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:44:09,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-02 04:44:09,371 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 04:44:09,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:44:09,373 WARN L261 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 109 conjunts are in the unsatisfiable core [2022-03-02 04:44:09,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:45:13,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 0 proven. 2136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:45:13,076 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:47:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2136 backedges. 0 proven. 2136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:47:31,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166425686] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:47:31,864 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:47:31,864 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 78, 78] total 168 [2022-03-02 04:47:31,864 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53587757] [2022-03-02 04:47:31,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:47:31,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 169 states [2022-03-02 04:47:31,864 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:47:31,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2022-03-02 04:47:31,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3520, Invalid=24872, Unknown=0, NotChecked=0, Total=28392 [2022-03-02 04:47:31,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:47:31,867 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:47:31,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 169 states, 169 states have (on average 1.8698224852071006) internal successors, (316), 168 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:47:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:47:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:47:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:47:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:47:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-02 04:47:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:47:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-03-02 04:47:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-02 04:47:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-02 04:47:31,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:48:39,206 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 765 transitions and produced 471 states. [2022-03-02 04:48:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:48:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:48:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:48:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:48:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-02 04:48:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:48:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-03-02 04:48:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-02 04:48:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-02 04:48:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-03-02 04:48:39,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-02 04:48:39,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-02 04:48:39,424 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:48:39,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:48:39,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1341863627, now seen corresponding path program 11 times [2022-03-02 04:48:39,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:48:39,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578366138] [2022-03-02 04:48:39,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:48:39,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:48:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:48:40,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2787 backedges. 223 proven. 1924 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-03-02 04:48:40,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:48:40,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578366138] [2022-03-02 04:48:40,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578366138] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:48:40,234 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902289672] [2022-03-02 04:48:40,234 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 04:48:40,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:48:40,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:48:40,248 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:48:40,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-02 04:48:40,384 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) [2022-03-02 04:48:40,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:48:40,387 WARN L261 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 118 conjunts are in the unsatisfiable core [2022-03-02 04:48:40,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 04:50:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2787 backedges. 0 proven. 2787 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:50:16,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 04:50:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2787 backedges. 0 proven. 2787 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 04:50:27,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902289672] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 04:50:27,633 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 04:50:27,633 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 86, 86] total 190 [2022-03-02 04:50:27,633 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690721392] [2022-03-02 04:50:27,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 04:50:27,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2022-03-02 04:50:27,634 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 04:50:27,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2022-03-02 04:50:27,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4303, Invalid=31987, Unknown=0, NotChecked=0, Total=36290 [2022-03-02 04:50:27,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:50:27,636 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 04:50:27,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 1.8586387434554974) internal successors, (355), 190 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-03-02 04:50:27,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 04:51:20,539 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 862 transitions and produced 520 states. [2022-03-02 04:51:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:51:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 04:51:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-02 04:51:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-03-02 04:51:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-02 04:51:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-02 04:51:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-03-02 04:51:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-02 04:51:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-03-02 04:51:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-03-02 04:51:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-03-02 04:51:20,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-02 04:51:20,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-02 04:51:20,758 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 04:51:20,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 04:51:20,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1272606405, now seen corresponding path program 12 times [2022-03-02 04:51:20,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 04:51:20,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677736687] [2022-03-02 04:51:20,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 04:51:20,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 04:51:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 04:51:24,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3234 backedges. 338 proven. 2220 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2022-03-02 04:51:24,081 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 04:51:24,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677736687] [2022-03-02 04:51:24,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677736687] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 04:51:24,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592595040] [2022-03-02 04:51:24,081 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 04:51:24,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 04:51:24,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 04:51:24,083 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 04:51:24,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-02 04:51:24,278 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2022-03-02 04:51:24,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 04:51:24,282 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 132 conjunts are in the unsatisfiable core [2022-03-02 04:51:24,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-02 04:52:29,092 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 04:52:29,093 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-02 04:52:29,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-03-02 04:52:29,130 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 04:52:29,130 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 04:52:29,130 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 04:52:29,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-02 04:52:29,307 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 173 with TraceHistMax 53,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 4ms.. [2022-03-02 04:52:29,309 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-02 04:52:29,309 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-02 04:52:29,313 INFO L732 BasicCegarLoop]: Path program histogram: [12] [2022-03-02 04:52:29,314 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 04:52:29,314 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 04:52:29,316 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 04:52:29 BasicIcfg [2022-03-02 04:52:29,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 04:52:29,316 INFO L158 Benchmark]: Toolchain (without parser) took 855012.36ms. Allocated memory was 194.0MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 154.0MB in the beginning and 1.0GB in the end (delta: -867.1MB). Peak memory consumption was 850.5MB. Max. memory is 8.0GB. [2022-03-02 04:52:29,316 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 194.0MB. Free memory was 155.1MB in the beginning and 155.0MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 04:52:29,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.39ms. Allocated memory is still 194.0MB. Free memory was 153.9MB in the beginning and 152.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 04:52:29,317 INFO L158 Benchmark]: Boogie Preprocessor took 11.23ms. Allocated memory is still 194.0MB. Free memory was 152.4MB in the beginning and 151.5MB in the end (delta: 914.9kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 04:52:29,317 INFO L158 Benchmark]: RCFGBuilder took 214.93ms. Allocated memory is still 194.0MB. Free memory was 151.4MB in the beginning and 142.3MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 04:52:29,317 INFO L158 Benchmark]: TraceAbstraction took 854763.87ms. Allocated memory was 194.0MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 141.8MB in the beginning and 1.0GB in the end (delta: -879.3MB). Peak memory consumption was 837.9MB. Max. memory is 8.0GB. [2022-03-02 04:52:29,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 194.0MB. Free memory was 155.1MB in the beginning and 155.0MB in the end (delta: 73.1kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.39ms. Allocated memory is still 194.0MB. Free memory was 153.9MB in the beginning and 152.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 11.23ms. Allocated memory is still 194.0MB. Free memory was 152.4MB in the beginning and 151.5MB in the end (delta: 914.9kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 214.93ms. Allocated memory is still 194.0MB. Free memory was 151.4MB in the beginning and 142.3MB in the end (delta: 9.1MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 854763.87ms. Allocated memory was 194.0MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 141.8MB in the beginning and 1.0GB in the end (delta: -879.3MB). Peak memory consumption was 837.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 173 with TraceHistMax 53,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 4ms.. - TimeoutResultAtElement [Line: 50]: 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 173 with TraceHistMax 53,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 4ms.. - TimeoutResultAtElement [Line: 50]: 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 173 with TraceHistMax 53,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 4ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 854.7s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 255.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 822, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 526.8s InterpolantComputationTime, 2008 NumberOfCodeBlocks, 2008 NumberOfCodeBlocksAsserted, 158 NumberOfCheckSat, 2934 ConstructedInterpolants, 0 QuantifiedInterpolants, 315938 SizeOfPredicates, 81 NumberOfNonLiveVariables, 1265 ConjunctsInSsa, 738 ConjunctsInUnsatCore, 29 InterpolantComputations, 2 PerfectInterpolantSequences, 3528/33731 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