/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 22:50:38,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 22:50:38,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 22:50:38,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 22:50:38,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 22:50:38,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 22:50:38,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 22:50:38,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 22:50:38,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 22:50:38,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 22:50:38,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 22:50:38,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 22:50:38,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 22:50:38,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 22:50:38,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 22:50:38,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 22:50:38,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 22:50:38,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 22:50:38,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 22:50:38,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 22:50:38,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 22:50:38,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 22:50:38,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 22:50:38,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 22:50:38,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 22:50:38,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 22:50:38,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 22:50:38,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 22:50:38,244 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-wrwc.epf [2022-02-19 22:50:38,275 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 22:50:38,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 22:50:38,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 22:50:38,276 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 22:50:38,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 22:50:38,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 22:50:38,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 22:50:38,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 22:50:38,277 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 22:50:38,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 22:50:38,278 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 22:50:38,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 22:50:38,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 22:50:38,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 22:50:38,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 22:50:38,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 22:50:38,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 22:50:38,279 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 22:50:38,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 22:50:38,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 22:50:38,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 22:50:38,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 22:50:38,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 22:50:38,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 22:50:38,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 22:50:38,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 22:50:38,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 22:50:38,280 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 22:50:38,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 22:50:38,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 22:50:38,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 22:50:38,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 22:50:38,281 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 22:50:38,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 22:50:38,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 22:50:38,281 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 22:50:38,281 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 22:50:38,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 22:50:38,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 22:50:38,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 22:50:38,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 22:50:38,519 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 22:50:38,520 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 22:50:38,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl [2022-02-19 22:50:38,521 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure3.wvr.bpl' [2022-02-19 22:50:38,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 22:50:38,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 22:50:38,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 22:50:38,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 22:50:38,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 22:50:38,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/1) ... [2022-02-19 22:50:38,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/1) ... [2022-02-19 22:50:38,570 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 22:50:38,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 22:50:38,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 22:50:38,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 22:50:38,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 22:50:38,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/1) ... [2022-02-19 22:50:38,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/1) ... [2022-02-19 22:50:38,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/1) ... [2022-02-19 22:50:38,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/1) ... [2022-02-19 22:50:38,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/1) ... [2022-02-19 22:50:38,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/1) ... [2022-02-19 22:50:38,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/1) ... [2022-02-19 22:50:38,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 22:50:38,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 22:50:38,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 22:50:38,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 22:50:38,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/1) ... [2022-02-19 22:50:38,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 22:50:38,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:50:38,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 22:50:38,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 22:50:38,643 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 22:50:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 22:50:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 22:50:38,643 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 22:50:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 22:50:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 22:50:38,643 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 22:50:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 22:50:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 22:50:38,644 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 22:50:38,681 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 22:50:38,683 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 22:50:38,741 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 22:50:38,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 22:50:38,755 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 22:50:38,757 INFO L202 PluginConnector]: Adding new model figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:50:38 BoogieIcfgContainer [2022-02-19 22:50:38,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 22:50:38,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 22:50:38,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 22:50:38,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 22:50:38,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:50:38" (1/2) ... [2022-02-19 22:50:38,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63eff869 and model type figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:50:38, skipping insertion in model container [2022-02-19 22:50:38,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:50:38" (2/2) ... [2022-02-19 22:50:38,764 INFO L111 eAbstractionObserver]: Analyzing ICFG figure3.wvr.bpl [2022-02-19 22:50:38,768 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 22:50:38,768 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 22:50:38,768 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 22:50:38,768 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 22:50:38,793 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 22:50:38,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 22:50:38,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:50:38,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 22:50:38,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 22:50:38,901 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 22:50:38,915 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=false [2022-02-19 22:50:38,915 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 22:50:39,054 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 117 transitions and produced 105 states. [2022-02-19 22:50:39,056 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:50:39,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:50:39,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1575026213, now seen corresponding path program 1 times [2022-02-19 22:50:39,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:50:39,070 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432844298] [2022-02-19 22:50:39,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:50:39,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:50:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:50:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 49 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-19 22:50:39,531 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:50:39,531 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432844298] [2022-02-19 22:50:39,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432844298] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:50:39,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075701092] [2022-02-19 22:50:39,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:50:39,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:50:39,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:50:39,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 22:50:39,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 22:50:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:50:39,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-19 22:50:39,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:50:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 8 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:40,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:50:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 10 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:40,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075701092] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:50:40,731 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:50:40,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 17] total 42 [2022-02-19 22:50:40,734 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814976209] [2022-02-19 22:50:40,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:50:40,738 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-19 22:50:40,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:50:40,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-19 22:50:40,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=1396, Unknown=0, NotChecked=0, Total=1806 [2022-02-19 22:50:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:50:40,764 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:50:40,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.4651162790697674) internal successors, (106), 42 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 22:50:40,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:50:41,787 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 129 transitions and produced 111 states. [2022-02-19 22:50:41,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-19 22:50:41,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 22:50:41,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-19 22:50:41,996 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:50:41,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:50:41,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1656386641, now seen corresponding path program 2 times [2022-02-19 22:50:41,997 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:50:41,997 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696864327] [2022-02-19 22:50:41,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:50:41,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:50:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:50:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:42,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:50:42,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696864327] [2022-02-19 22:50:42,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696864327] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:50:42,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220442031] [2022-02-19 22:50:42,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 22:50:42,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:50:42,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:50:42,188 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 22:50:42,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 22:50:42,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 22:50:42,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:50:42,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2022-02-19 22:50:42,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:50:42,352 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:42,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:50:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 9 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:42,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220442031] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:50:42,457 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:50:42,457 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2022-02-19 22:50:42,457 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774415474] [2022-02-19 22:50:42,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:50:42,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-19 22:50:42,458 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:50:42,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-19 22:50:42,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-02-19 22:50:42,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:50:42,459 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:50:42,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 22:50:42,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-19 22:50:42,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:50:42,896 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 240 transitions and produced 193 states. [2022-02-19 22:50:42,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:50:42,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:50:42,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 22:50:43,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:50:43,119 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:50:43,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:50:43,120 INFO L85 PathProgramCache]: Analyzing trace with hash -2051496265, now seen corresponding path program 3 times [2022-02-19 22:50:43,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:50:43,120 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936400782] [2022-02-19 22:50:43,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:50:43,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:50:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:50:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 418 proven. 155 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-19 22:50:43,699 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:50:43,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936400782] [2022-02-19 22:50:43,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936400782] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:50:43,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241411307] [2022-02-19 22:50:43,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 22:50:43,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:50:43,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:50:43,704 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 22:50:43,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 22:50:43,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2022-02-19 22:50:43,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:50:43,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 37 conjunts are in the unsatisfiable core [2022-02-19 22:50:43,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:50:45,080 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 91 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:45,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:50:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 93 proven. 492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:46,344 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241411307] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:50:46,344 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:50:46,344 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 37, 37] total 97 [2022-02-19 22:50:46,345 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389335909] [2022-02-19 22:50:46,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:50:46,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-02-19 22:50:46,346 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:50:46,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-02-19 22:50:46,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2100, Invalid=7406, Unknown=0, NotChecked=0, Total=9506 [2022-02-19 22:50:46,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:50:46,352 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:50:46,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 2.2448979591836733) internal successors, (220), 97 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 22:50:46,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:50:46,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:50:46,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:50:49,517 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 285 transitions and produced 231 states. [2022-02-19 22:50:49,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:50:49,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:50:49,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-19 22:50:49,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-19 22:50:49,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:50:49,720 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:50:49,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:50:49,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1977536541, now seen corresponding path program 4 times [2022-02-19 22:50:49,721 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:50:49,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79318996] [2022-02-19 22:50:49,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:50:49,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:50:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:50:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 22 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:50,092 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:50:50,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79318996] [2022-02-19 22:50:50,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79318996] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:50:50,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165211887] [2022-02-19 22:50:50,093 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 22:50:50,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:50:50,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:50:50,096 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 22:50:50,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 22:50:50,163 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 22:50:50,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:50:50,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 44 conjunts are in the unsatisfiable core [2022-02-19 22:50:50,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:50:50,368 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 22 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:50,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:50:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 22 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:50,580 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165211887] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:50:50,580 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:50:50,580 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 24 [2022-02-19 22:50:50,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783433581] [2022-02-19 22:50:50,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:50:50,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-19 22:50:50,581 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:50:50,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-19 22:50:50,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2022-02-19 22:50:50,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:50:50,583 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:50:50,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.208333333333333) internal successors, (101), 24 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 22:50:50,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:50:50,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:50:50,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-19 22:50:50,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:50:52,003 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 514 transitions and produced 385 states. [2022-02-19 22:50:52,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:50:52,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:50:52,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-19 22:50:52,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 22:50:52,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 22:50:52,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:50:52,215 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:50:52,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:50:52,215 INFO L85 PathProgramCache]: Analyzing trace with hash 612997299, now seen corresponding path program 5 times [2022-02-19 22:50:52,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:50:52,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448773892] [2022-02-19 22:50:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:50:52,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:50:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:50:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3145 backedges. 2339 proven. 780 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-19 22:50:53,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:50:53,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448773892] [2022-02-19 22:50:53,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448773892] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:50:53,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891053439] [2022-02-19 22:50:53,704 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 22:50:53,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:50:53,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:50:53,705 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 22:50:53,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 22:50:53,810 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) [2022-02-19 22:50:53,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:50:53,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-19 22:50:53,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:50:57,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3145 backedges. 508 proven. 2637 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:50:57,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:51:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3145 backedges. 510 proven. 2635 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:51:01,408 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891053439] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:51:01,408 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:51:01,408 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 81, 81] total 215 [2022-02-19 22:51:01,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691562768] [2022-02-19 22:51:01,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:51:01,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 216 states [2022-02-19 22:51:01,409 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:51:01,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2022-02-19 22:51:01,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9537, Invalid=36903, Unknown=0, NotChecked=0, Total=46440 [2022-02-19 22:51:01,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:51:01,420 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:51:01,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 216 states, 216 states have (on average 2.175925925925926) internal successors, (470), 215 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 22:51:01,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:51:01,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:51:01,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-19 22:51:01,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 22:51:01,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:51:13,343 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 609 transitions and produced 477 states. [2022-02-19 22:51:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:51:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:51:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-19 22:51:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 22:51:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-02-19 22:51:13,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-19 22:51:13,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:51:13,548 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:51:13,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:51:13,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1796699215, now seen corresponding path program 6 times [2022-02-19 22:51:13,548 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:51:13,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155356899] [2022-02-19 22:51:13,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:51:13,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:51:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:51:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4705 backedges. 49 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:51:14,879 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:51:14,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155356899] [2022-02-19 22:51:14,879 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155356899] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:51:14,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848216490] [2022-02-19 22:51:14,879 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 22:51:14,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:51:14,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:51:14,881 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 22:51:14,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 22:51:14,987 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 50 check-sat command(s) [2022-02-19 22:51:14,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:51:14,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 98 conjunts are in the unsatisfiable core [2022-02-19 22:51:14,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:51:15,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4705 backedges. 49 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:51:15,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:51:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4705 backedges. 49 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:51:15,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848216490] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:51:15,726 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:51:15,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 51 [2022-02-19 22:51:15,726 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076889244] [2022-02-19 22:51:15,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:51:15,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-02-19 22:51:15,727 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:51:15,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-02-19 22:51:15,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2022-02-19 22:51:15,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:51:15,728 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:51:15,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 4.098039215686274) internal successors, (209), 51 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 22:51:15,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:51:15,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:51:15,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-19 22:51:15,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 22:51:15,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2022-02-19 22:51:15,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:51:22,899 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1126 transitions and produced 807 states. [2022-02-19 22:51:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:51:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:51:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-19 22:51:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 22:51:22,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2022-02-19 22:51:22,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-19 22:51:22,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 22:51:23,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:51:23,124 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:51:23,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:51:23,124 INFO L85 PathProgramCache]: Analyzing trace with hash 2121989875, now seen corresponding path program 7 times [2022-02-19 22:51:23,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:51:23,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874632189] [2022-02-19 22:51:23,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:51:23,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:51:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:51:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16237 backedges. 12474 proven. 3703 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-02-19 22:51:28,251 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:51:28,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874632189] [2022-02-19 22:51:28,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874632189] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:51:28,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509826800] [2022-02-19 22:51:28,251 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 22:51:28,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:51:28,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:51:28,253 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 22:51:28,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 22:51:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:51:28,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 179 conjunts are in the unsatisfiable core [2022-02-19 22:51:28,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:51:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 16237 backedges. 2459 proven. 13778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:51:44,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:51:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 16237 backedges. 2461 proven. 13776 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:51:59,311 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509826800] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:51:59,311 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:51:59,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [120, 179, 179] total 475 [2022-02-19 22:51:59,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987608239] [2022-02-19 22:51:59,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:51:59,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 476 states [2022-02-19 22:51:59,313 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:51:59,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 476 interpolants. [2022-02-19 22:51:59,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45820, Invalid=180280, Unknown=0, NotChecked=0, Total=226100 [2022-02-19 22:51:59,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:51:59,338 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:51:59,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 476 states, 476 states have (on average 2.1512605042016806) internal successors, (1024), 475 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 22:51:59,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:51:59,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:51:59,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-19 22:51:59,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 22:51:59,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2022-02-19 22:51:59,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-19 22:51:59,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:53:09,640 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1341 transitions and produced 1033 states. [2022-02-19 22:53:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:53:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:53:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-19 22:53:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 22:53:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2022-02-19 22:53:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-19 22:53:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 345 states. [2022-02-19 22:53:09,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-19 22:53:09,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-19 22:53:09,842 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:53:09,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:53:09,843 INFO L85 PathProgramCache]: Analyzing trace with hash -667788989, now seen corresponding path program 8 times [2022-02-19 22:53:09,843 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:53:09,843 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95587313] [2022-02-19 22:53:09,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:53:09,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:53:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:53:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 23981 backedges. 110 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:53:14,970 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:53:14,970 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95587313] [2022-02-19 22:53:14,970 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95587313] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:53:14,970 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818566159] [2022-02-19 22:53:14,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 22:53:14,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:53:14,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:53:14,976 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 22:53:14,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 22:53:15,166 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 22:53:15,166 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:53:15,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 220 conjunts are in the unsatisfiable core [2022-02-19 22:53:15,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:53:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 23981 backedges. 110 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:53:15,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:53:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 23981 backedges. 110 proven. 23871 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:53:16,794 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818566159] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:53:16,796 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:53:16,801 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 112, 112] total 112 [2022-02-19 22:53:16,803 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810637731] [2022-02-19 22:53:16,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:53:16,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2022-02-19 22:53:16,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:53:16,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2022-02-19 22:53:16,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2022-02-19 22:53:16,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:53:16,808 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:53:16,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.044642857142857) internal successors, (453), 112 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 22:53:16,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:53:16,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:53:16,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-19 22:53:16,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 22:53:16,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2022-02-19 22:53:16,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-19 22:53:16,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 345 states. [2022-02-19 22:53:16,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:54:13,512 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2476 transitions and produced 1739 states. [2022-02-19 22:54:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:54:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:54:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-02-19 22:54:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-02-19 22:54:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2022-02-19 22:54:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-19 22:54:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 490 states. [2022-02-19 22:54:13,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-02-19 22:54:13,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-19 22:54:13,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:54:13,714 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 22:54:13,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 22:54:13,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1636279887, now seen corresponding path program 9 times [2022-02-19 22:54:13,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 22:54:13,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552113698] [2022-02-19 22:54:13,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 22:54:13,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 22:54:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 22:54:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 81145 backedges. 63337 proven. 17674 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-02-19 22:54:36,575 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 22:54:36,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552113698] [2022-02-19 22:54:36,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552113698] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 22:54:36,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071466733] [2022-02-19 22:54:36,576 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 22:54:36,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 22:54:36,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 22:54:36,580 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 22:54:36,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 22:54:37,645 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 239 check-sat command(s) [2022-02-19 22:54:37,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 22:54:37,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 2131 conjuncts, 395 conjunts are in the unsatisfiable core [2022-02-19 22:54:37,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 22:55:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 81145 backedges. 12232 proven. 68913 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:55:48,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 22:56:58,658 INFO L134 CoverageAnalysis]: Checked inductivity of 81145 backedges. 12234 proven. 68911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 22:56:58,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071466733] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 22:56:58,658 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 22:56:58,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [262, 395, 395] total 1049 [2022-02-19 22:56:58,659 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335048339] [2022-02-19 22:56:58,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 22:56:58,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 1050 states [2022-02-19 22:56:58,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 22:56:58,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 1050 interpolants. [2022-02-19 22:56:58,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223004, Invalid=878446, Unknown=0, NotChecked=0, Total=1101450 [2022-02-19 22:56:58,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 22:56:58,762 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 22:56:58,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 1050 states, 1050 states have (on average 2.139047619047619) internal successors, (2246), 1049 states have internal predecessors, (2246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 22:56:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2022-02-19 22:56:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-19 22:56:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-02-19 22:56:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-02-19 22:56:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2022-02-19 22:56:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-19 22:56:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 490 states. [2022-02-19 22:56:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-02-19 22:56:58,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-19 23:02:45,267 WARN L244 SmtUtils]: Removed 44 from assertion stack [2022-02-19 23:02:45,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-19 23:02:45,297 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 23:02:45,297 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 23:02:45,297 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 23:02:45,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-19 23:02:45,468 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 275 for 216ms.. [2022-02-19 23:02:45,470 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-19 23:02:45,471 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-19 23:02:45,471 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 23:02:45,477 INFO L732 BasicCegarLoop]: Path program histogram: [9] [2022-02-19 23:02:45,479 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 23:02:45,479 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 23:02:45,481 INFO L202 PluginConnector]: Adding new model figure3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 11:02:45 BasicIcfg [2022-02-19 23:02:45,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 23:02:45,482 INFO L158 Benchmark]: Toolchain (without parser) took 726940.08ms. Allocated memory was 187.7MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 143.3MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-02-19 23:02:45,482 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 187.7MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 23:02:45,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.75ms. Allocated memory is still 187.7MB. Free memory was 143.1MB in the beginning and 141.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 23:02:45,482 INFO L158 Benchmark]: Boogie Preprocessor took 15.37ms. Allocated memory is still 187.7MB. Free memory was 141.6MB in the beginning and 140.7MB in the end (delta: 924.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 23:02:45,483 INFO L158 Benchmark]: RCFGBuilder took 167.15ms. Allocated memory is still 187.7MB. Free memory was 140.6MB in the beginning and 131.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-19 23:02:45,483 INFO L158 Benchmark]: TraceAbstraction took 726722.29ms. Allocated memory was 187.7MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 131.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-02-19 23:02:45,484 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 0.14ms. Allocated memory is still 187.7MB. Free memory is still 144.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.75ms. Allocated memory is still 187.7MB. Free memory was 143.1MB in the beginning and 141.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.37ms. Allocated memory is still 187.7MB. Free memory was 141.6MB in the beginning and 140.7MB in the end (delta: 924.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 167.15ms. Allocated memory is still 187.7MB. Free memory was 140.6MB in the beginning and 131.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 726722.29ms. Allocated memory was 187.7MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 131.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.7GB. 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: 52]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 275 for 216ms.. - TimeoutResultAtElement [Line: 47]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 275 for 216ms.. - TimeoutResultAtElement [Line: 47]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 275 for 216ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 726.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 498.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1531, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 220.9s InterpolantComputationTime, 4530 NumberOfCodeBlocks, 4530 NumberOfCodeBlocksAsserted, 375 NumberOfCheckSat, 6768 ConstructedInterpolants, 0 QuantifiedInterpolants, 54519 SizeOfPredicates, 35 NumberOfNonLiveVariables, 6035 ConjunctsInSsa, 1089 ConjunctsInUnsatCore, 27 InterpolantComputations, 0 PerfectInterpolantSequences, 110031/392871 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