/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 05:47:12,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 05:47:12,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 05:47:12,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 05:47:12,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 05:47:12,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 05:47:12,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 05:47:12,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 05:47:12,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 05:47:12,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 05:47:12,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 05:47:12,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 05:47:12,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 05:47:12,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 05:47:12,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 05:47:12,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 05:47:12,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 05:47:12,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 05:47:12,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 05:47:12,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 05:47:12,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 05:47:12,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 05:47:12,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 05:47:12,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 05:47:12,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 05:47:12,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 05:47:12,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 05:47:12,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 05:47:12,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 05:47:12,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 05:47:12,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 05:47:12,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 05:47:12,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 05:47:12,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 05:47:12,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 05:47:12,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 05:47:12,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 05:47:12,267 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 05:47:12,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 05:47:12,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 05:47:12,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 05:47:12,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 05:47:12,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 05:47:12,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 05:47:12,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:47:12,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 05:47:12,269 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 05:47:12,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 05:47:12,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 05:47:12,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 05:47:12,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 05:47:12,269 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 05:47:12,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 05:47:12,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 05:47:12,270 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 05:47:12,270 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 05:47:12,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 05:47:12,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 05:47:12,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 05:47:12,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 05:47:12,481 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 05:47:12,484 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 05:47:12,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl [2022-03-04 05:47:12,486 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl' [2022-03-04 05:47:12,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 05:47:12,516 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 05:47:12,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 05:47:12,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 05:47:12,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 05:47:12,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/1) ... [2022-03-04 05:47:12,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/1) ... [2022-03-04 05:47:12,533 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 05:47:12,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 05:47:12,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 05:47:12,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 05:47:12,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 05:47:12,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/1) ... [2022-03-04 05:47:12,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/1) ... [2022-03-04 05:47:12,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/1) ... [2022-03-04 05:47:12,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/1) ... [2022-03-04 05:47:12,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/1) ... [2022-03-04 05:47:12,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/1) ... [2022-03-04 05:47:12,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/1) ... [2022-03-04 05:47:12,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 05:47:12,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 05:47:12,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 05:47:12,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 05:47:12,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/1) ... [2022-03-04 05:47:12,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:47:12,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:47:12,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 05:47:12,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 05:47:12,611 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 05:47:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 05:47:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 05:47:12,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 05:47:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 05:47:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 05:47:12,613 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 05:47:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 05:47:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 05:47:12,613 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 05:47:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 05:47:12,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 05:47:12,614 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-04 05:47:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 05:47:12,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 05:47:12,617 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 05:47:12,660 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 05:47:12,661 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 05:47:12,733 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 05:47:12,742 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 05:47:12,743 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 05:47:12,744 INFO L202 PluginConnector]: Adding new model min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:47:12 BoogieIcfgContainer [2022-03-04 05:47:12,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 05:47:12,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 05:47:12,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 05:47:12,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 05:47:12,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:47:12" (1/2) ... [2022-03-04 05:47:12,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2462159f and model type min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:47:12, skipping insertion in model container [2022-03-04 05:47:12,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:47:12" (2/2) ... [2022-03-04 05:47:12,754 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-dec.wvr.bpl [2022-03-04 05:47:12,758 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 05:47:12,758 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 05:47:12,758 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 05:47:12,758 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 05:47:12,808 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 05:47:12,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 05:47:12,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:47:12,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 05:47:12,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 05:47:12,874 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 05:47:12,879 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 05:47:12,879 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 05:47:13,079 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6925 transitions and produced 1808 states. [2022-03-04 05:47:13,081 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:47:13,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:47:13,087 INFO L85 PathProgramCache]: Analyzing trace with hash 386440407, now seen corresponding path program 1 times [2022-03-04 05:47:13,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:47:13,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943119504] [2022-03-04 05:47:13,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:47:13,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:47:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:47:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 133 proven. 157 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 05:47:13,700 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:47:13,700 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943119504] [2022-03-04 05:47:13,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943119504] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:47:13,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683268698] [2022-03-04 05:47:13,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:47:13,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:47:13,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:47:13,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:47:13,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 05:47:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:47:13,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 20 conjunts are in the unsatisfiable core [2022-03-04 05:47:13,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:47:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 170 proven. 46 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-03-04 05:47:14,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:47:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 170 proven. 46 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-03-04 05:47:14,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683268698] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:47:14,312 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:47:14,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 6, 6] total 24 [2022-03-04 05:47:14,314 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095974936] [2022-03-04 05:47:14,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:47:14,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-04 05:47:14,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:47:14,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-04 05:47:14,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2022-03-04 05:47:14,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:47:14,345 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:47:14,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.96) internal successors, (124), 24 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:47:14,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:47:16,129 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 32584 transitions and produced 7688 states. [2022-03-04 05:47:16,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:47:16,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-04 05:47:16,343 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 [2022-03-04 05:47:16,344 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:47:16,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:47:16,344 INFO L85 PathProgramCache]: Analyzing trace with hash 406180195, now seen corresponding path program 2 times [2022-03-04 05:47:16,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:47:16,344 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054141628] [2022-03-04 05:47:16,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:47:16,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:47:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:47:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 338 proven. 264 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-04 05:47:16,742 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:47:16,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054141628] [2022-03-04 05:47:16,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054141628] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:47:16,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889354206] [2022-03-04 05:47:16,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:47:16,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:47:16,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:47:16,744 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:47:16,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 05:47:16,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:47:16,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:47:16,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-04 05:47:16,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:47:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 426 proven. 112 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-03-04 05:47:17,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:47:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 426 proven. 112 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-03-04 05:47:17,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889354206] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:47:17,503 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:47:17,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 13, 13] total 45 [2022-03-04 05:47:17,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923604505] [2022-03-04 05:47:17,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:47:17,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-03-04 05:47:17,507 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:47:17,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-03-04 05:47:17,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=1675, Unknown=0, NotChecked=0, Total=2070 [2022-03-04 05:47:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:47:17,509 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:47:17,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.8260869565217392) internal successors, (176), 45 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:47:17,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:47:17,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:47:21,469 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 80351 transitions and produced 18545 states. [2022-03-04 05:47:21,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:47:21,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:47:21,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 05:47:21,683 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 [2022-03-04 05:47:21,684 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:47:21,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:47:21,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1262682725, now seen corresponding path program 3 times [2022-03-04 05:47:21,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:47:21,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620713866] [2022-03-04 05:47:21,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:47:21,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:47:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:47:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 718 proven. 629 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2022-03-04 05:47:22,298 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:47:22,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620713866] [2022-03-04 05:47:22,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620713866] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:47:22,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328582301] [2022-03-04 05:47:22,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:47:22,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:47:22,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:47:22,302 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:47:22,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 05:47:22,415 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-03-04 05:47:22,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:47:22,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-04 05:47:22,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:47:22,701 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-03-04 05:47:22,702 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-03-04 05:47:22,885 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-03-04 05:47:22,886 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 24 [2022-03-04 05:47:22,993 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:47:22,993 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2022-03-04 05:47:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 455 proven. 88 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2022-03-04 05:47:23,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:47:29,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:47:29,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:47:29,235 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-04 05:47:29,235 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 27 [2022-03-04 05:47:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 474 proven. 110 refuted. 0 times theorem prover too weak. 1070 trivial. 0 not checked. [2022-03-04 05:47:29,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328582301] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:47:29,379 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:47:29,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 14, 22] total 66 [2022-03-04 05:47:29,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083476330] [2022-03-04 05:47:29,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:47:29,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-03-04 05:47:29,380 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:47:29,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-03-04 05:47:29,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=576, Invalid=3712, Unknown=2, NotChecked=0, Total=4290 [2022-03-04 05:47:29,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:47:29,381 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:47:29,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.9545454545454546) internal successors, (195), 66 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:47:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:47:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:47:29,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:47:32,559 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 713 transitions and produced 581 states. [2022-03-04 05:47:32,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:47:32,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:47:32,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-03-04 05:47:32,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 05:47:32,777 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 [2022-03-04 05:47:32,780 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:47:32,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:47:32,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1603192017, now seen corresponding path program 4 times [2022-03-04 05:47:32,781 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:47:32,781 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859198503] [2022-03-04 05:47:32,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:47:32,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:47:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:47:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 361 proven. 798 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2022-03-04 05:47:33,303 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:47:33,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859198503] [2022-03-04 05:47:33,303 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859198503] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:47:33,303 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659065813] [2022-03-04 05:47:33,303 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:47:33,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:47:33,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:47:33,311 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:47:33,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 05:47:33,384 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:47:33,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:47:33,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 43 conjunts are in the unsatisfiable core [2022-03-04 05:47:33,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:47:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 724 proven. 474 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-03-04 05:47:34,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:47:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 724 proven. 474 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-03-04 05:47:34,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659065813] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:47:34,397 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:47:34,397 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 25, 25] total 62 [2022-03-04 05:47:34,397 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863751152] [2022-03-04 05:47:34,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:47:34,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-04 05:47:34,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:47:34,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-04 05:47:34,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=650, Invalid=3256, Unknown=0, NotChecked=0, Total=3906 [2022-03-04 05:47:34,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:47:34,399 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:47:34,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.2857142857142856) internal successors, (207), 62 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:47:34,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:47:34,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:47:34,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-03-04 05:47:34,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:47:37,685 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 661 transitions and produced 592 states. [2022-03-04 05:47:37,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:47:37,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:47:37,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-03-04 05:47:37,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-04 05:47:37,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 05:47:37,886 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 [2022-03-04 05:47:37,886 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:47:37,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:47:37,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1119199021, now seen corresponding path program 5 times [2022-03-04 05:47:37,887 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:47:37,887 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131617814] [2022-03-04 05:47:37,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:47:37,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:47:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:47:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 400 proven. 361 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-03-04 05:47:38,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:47:38,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131617814] [2022-03-04 05:47:38,473 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131617814] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:47:38,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653143503] [2022-03-04 05:47:38,473 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:47:38,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:47:38,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:47:38,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:47:38,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 05:47:39,435 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2022-03-04 05:47:39,436 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:47:39,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 41 conjunts are in the unsatisfiable core [2022-03-04 05:47:39,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:47:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 400 proven. 361 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-03-04 05:47:40,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:47:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 400 proven. 361 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-03-04 05:47:40,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653143503] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:47:40,807 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:47:40,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 81 [2022-03-04 05:47:40,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765278295] [2022-03-04 05:47:40,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:47:40,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-03-04 05:47:40,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:47:40,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-03-04 05:47:40,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=921, Invalid=5721, Unknown=0, NotChecked=0, Total=6642 [2022-03-04 05:47:40,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:47:40,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:47:40,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 2.3780487804878048) internal successors, (195), 81 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:47:40,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:47:40,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:47:40,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-03-04 05:47:40,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-04 05:47:40,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:47:44,069 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3570 transitions and produced 1852 states. [2022-03-04 05:47:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:47:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:47:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-03-04 05:47:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2022-03-04 05:47:44,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-04 05:47:44,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 05:47:44,279 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 [2022-03-04 05:47:44,279 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:47:44,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:47:44,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1174203839, now seen corresponding path program 6 times [2022-03-04 05:47:44,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:47:44,280 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453432529] [2022-03-04 05:47:44,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:47:44,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:47:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:47:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6646 backedges. 2663 proven. 3975 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 05:47:47,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:47:47,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453432529] [2022-03-04 05:47:47,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453432529] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:47:47,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795714357] [2022-03-04 05:47:47,067 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:47:47,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:47:47,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:47:47,068 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:47:47,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 05:47:51,612 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 68 check-sat command(s) [2022-03-04 05:47:51,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:47:51,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 181 conjunts are in the unsatisfiable core [2022-03-04 05:47:51,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-04 06:01:47,402 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 06:01:47,405 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-04 06:01:47,415 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:01:47,421 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:01:47,421 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:01:47,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 06:01:47,615 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 [2022-03-04 06:01:47,642 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 7ms.. [2022-03-04 06:01:47,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-04 06:01:47,644 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-04 06:01:47,644 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-04 06:01:47,644 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-04 06:01:47,648 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 06:01:47,650 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:01:47,650 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:01:47,652 INFO L202 PluginConnector]: Adding new model min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:01:47 BasicIcfg [2022-03-04 06:01:47,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:01:47,653 INFO L158 Benchmark]: Toolchain (without parser) took 875136.97ms. Allocated memory was 188.7MB in the beginning and 903.9MB in the end (delta: 715.1MB). Free memory was 148.1MB in the beginning and 784.7MB in the end (delta: -636.6MB). Peak memory consumption was 615.4MB. Max. memory is 8.0GB. [2022-03-04 06:01:47,653 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.21ms. Allocated memory is still 188.7MB. Free memory was 149.3MB in the beginning and 149.3MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:01:47,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.10ms. Allocated memory is still 188.7MB. Free memory was 148.1MB in the beginning and 146.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:01:47,654 INFO L158 Benchmark]: Boogie Preprocessor took 18.24ms. Allocated memory is still 188.7MB. Free memory was 146.5MB in the beginning and 145.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:01:47,654 INFO L158 Benchmark]: RCFGBuilder took 189.69ms. Allocated memory is still 188.7MB. Free memory was 145.4MB in the beginning and 135.8MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:01:47,655 INFO L158 Benchmark]: TraceAbstraction took 874906.12ms. Allocated memory was 188.7MB in the beginning and 903.9MB in the end (delta: 715.1MB). Free memory was 135.3MB in the beginning and 784.7MB in the end (delta: -649.5MB). Peak memory consumption was 601.8MB. Max. memory is 8.0GB. [2022-03-04 06:01:47,656 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 0.21ms. Allocated memory is still 188.7MB. Free memory was 149.3MB in the beginning and 149.3MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.10ms. Allocated memory is still 188.7MB. Free memory was 148.1MB in the beginning and 146.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.24ms. Allocated memory is still 188.7MB. Free memory was 146.5MB in the beginning and 145.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 189.69ms. Allocated memory is still 188.7MB. Free memory was 145.4MB in the beginning and 135.8MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 874906.12ms. Allocated memory was 188.7MB in the beginning and 903.9MB in the end (delta: 715.1MB). Free memory was 135.3MB in the beginning and 784.7MB in the end (delta: -649.5MB). Peak memory consumption was 601.8MB. 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: 77]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 7ms.. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 7ms.. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 7ms.. - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 7ms.. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 7ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 874.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 15.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 647, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 1258 NumberOfCodeBlocks, 1171 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 1872 ConstructedInterpolants, 25 QuantifiedInterpolants, 8221 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1475 ConjunctsInSsa, 160 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 11198/15591 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