/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 01:08:17,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 01:08:17,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 01:08:17,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 01:08:17,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 01:08:17,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 01:08:17,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 01:08:17,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 01:08:17,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 01:08:17,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 01:08:17,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 01:08:17,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 01:08:17,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 01:08:17,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 01:08:17,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 01:08:17,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 01:08:17,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 01:08:17,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 01:08:17,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 01:08:17,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 01:08:17,268 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-wrwc.epf [2022-03-04 01:08:17,286 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 01:08:17,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 01:08:17,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 01:08:17,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 01:08:17,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 01:08:17,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 01:08:17,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 01:08:17,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 01:08:17,289 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 01:08:17,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 01:08:17,289 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 01:08:17,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 01:08:17,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 01:08:17,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 01:08:17,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 01:08:17,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 01:08:17,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 01:08:17,290 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 01:08:17,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 01:08:17,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 01:08:17,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 01:08:17,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 01:08:17,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 01:08:17,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 01:08:17,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 01:08:17,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:08:17,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 01:08:17,293 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 01:08:17,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 01:08:17,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 01:08:17,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 01:08:17,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 01:08:17,294 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 01:08:17,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 01:08:17,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 01:08:17,294 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 01:08:17,295 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-04 01:08:17,295 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 01:08:17,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 01:08:17,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 01:08:17,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 01:08:17,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 01:08:17,496 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 01:08:17,497 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 01:08:17,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2022-03-04 01:08:17,499 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2022-03-04 01:08:17,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 01:08:17,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 01:08:17,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 01:08:17,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 01:08:17,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 01:08:17,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/1) ... [2022-03-04 01:08:17,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/1) ... [2022-03-04 01:08:17,564 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 01:08:17,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 01:08:17,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 01:08:17,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 01:08:17,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 01:08:17,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/1) ... [2022-03-04 01:08:17,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/1) ... [2022-03-04 01:08:17,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/1) ... [2022-03-04 01:08:17,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/1) ... [2022-03-04 01:08:17,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/1) ... [2022-03-04 01:08:17,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/1) ... [2022-03-04 01:08:17,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/1) ... [2022-03-04 01:08:17,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 01:08:17,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 01:08:17,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 01:08:17,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 01:08:17,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/1) ... [2022-03-04 01:08:17,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:08:17,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:08:17,624 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 01:08:17,633 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 01:08:17,665 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 01:08:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 01:08:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 01:08:17,665 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 01:08:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 01:08:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 01:08:17,666 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 01:08:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 01:08:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 01:08:17,666 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 01:08:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 01:08:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 01:08:17,667 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 01:08:17,704 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 01:08:17,705 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 01:08:17,830 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 01:08:17,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 01:08:17,856 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 01:08:17,858 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:08:17 BoogieIcfgContainer [2022-03-04 01:08:17,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 01:08:17,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 01:08:17,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 01:08:17,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 01:08:17,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:08:17" (1/2) ... [2022-03-04 01:08:17,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba91761 and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:08:17, skipping insertion in model container [2022-03-04 01:08:17,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:08:17" (2/2) ... [2022-03-04 01:08:17,865 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2022-03-04 01:08:17,869 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 01:08:17,869 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 01:08:17,869 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 01:08:17,869 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 01:08:17,897 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 01:08:17,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 01:08:17,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:08:17,936 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 01:08:17,951 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 01:08:17,982 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 01:08:17,988 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=false [2022-03-04 01:08:17,989 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 01:08:18,710 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2104 transitions and produced 1038 states. [2022-03-04 01:08:18,712 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:08:18,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:08:18,720 INFO L85 PathProgramCache]: Analyzing trace with hash 860047133, now seen corresponding path program 1 times [2022-03-04 01:08:18,728 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:08:18,730 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063131540] [2022-03-04 01:08:18,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:08:18,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:08:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:08:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1070 backedges. 551 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-03-04 01:08:19,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:08:19,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063131540] [2022-03-04 01:08:19,108 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063131540] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 01:08:19,108 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 01:08:19,108 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 01:08:19,110 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429401243] [2022-03-04 01:08:19,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 01:08:19,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 01:08:19,129 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:08:19,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 01:08:19,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 01:08:19,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:08:19,177 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:08:19,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 01:08:19,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:08:20,082 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4923 transitions and produced 2123 states. [2022-03-04 01:08:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:08:20,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 01:08:20,083 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:08:20,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:08:20,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1255744679, now seen corresponding path program 2 times [2022-03-04 01:08:20,084 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:08:20,084 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932430418] [2022-03-04 01:08:20,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:08:20,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:08:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:08:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 21 proven. 317 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:08:21,701 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:08:21,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932430418] [2022-03-04 01:08:21,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932430418] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:08:21,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944470862] [2022-03-04 01:08:21,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 01:08:21,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:08:21,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:08:21,707 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 01:08:21,718 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 01:08:21,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 01:08:21,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:08:21,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-04 01:08:21,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:08:25,380 INFO L353 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2022-03-04 01:08:25,381 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2022-03-04 01:08:25,536 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 21 proven. 317 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:08:25,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:08:28,222 INFO L353 Elim1Store]: treesize reduction 400, result has 46.6 percent of original size [2022-03-04 01:08:28,223 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 79 treesize of output 383 [2022-03-04 01:08:43,191 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 37 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:08:43,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944470862] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:08:43,192 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:08:43,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 107 [2022-03-04 01:08:43,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283798075] [2022-03-04 01:08:43,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:08:43,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-03-04 01:08:43,194 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:08:43,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-03-04 01:08:43,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1071, Invalid=10271, Unknown=0, NotChecked=0, Total=11342 [2022-03-04 01:08:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:08:43,200 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:08:43,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 2.0373831775700935) internal successors, (218), 107 states have internal predecessors, (218), 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 01:08:43,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:08:43,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:08:50,173 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4834 transitions and produced 2069 states. [2022-03-04 01:08:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:08:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-04 01:08:50,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 01:08:50,375 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,SelfDestructingSolverStorable1 [2022-03-04 01:08:50,375 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:08:50,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:08:50,376 INFO L85 PathProgramCache]: Analyzing trace with hash -582364673, now seen corresponding path program 3 times [2022-03-04 01:08:50,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:08:50,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791658841] [2022-03-04 01:08:50,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:08:50,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:08:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:08:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 24 proven. 900 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-04 01:08:52,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:08:52,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791658841] [2022-03-04 01:08:52,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791658841] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:08:52,733 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451960479] [2022-03-04 01:08:52,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 01:08:52,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:08:52,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:08:52,736 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 01:08:52,739 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 01:08:52,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2022-03-04 01:08:52,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:08:52,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 95 conjunts are in the unsatisfiable core [2022-03-04 01:08:52,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:09:00,165 INFO L353 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2022-03-04 01:09:00,166 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 122 treesize of output 46 [2022-03-04 01:09:00,315 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 24 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:09:00,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:09:08,610 INFO L353 Elim1Store]: treesize reduction 1224, result has 44.5 percent of original size [2022-03-04 01:09:08,610 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 131 treesize of output 1035 [2022-03-04 01:12:10,653 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 57 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:12:10,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451960479] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:12:10,654 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:12:10,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 59, 59] total 167 [2022-03-04 01:12:10,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390606443] [2022-03-04 01:12:10,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:12:10,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2022-03-04 01:12:10,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:12:10,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2022-03-04 01:12:10,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2335, Invalid=25387, Unknown=0, NotChecked=0, Total=27722 [2022-03-04 01:12:10,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:12:10,663 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:12:10,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 167 states have (on average 1.9880239520958083) internal successors, (332), 167 states have internal predecessors, (332), 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 01:12:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:12:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-04 01:12:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:12:26,358 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5563 transitions and produced 2399 states. [2022-03-04 01:12:26,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 01:12:26,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-04 01:12:26,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-03-04 01:12:26,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 01:12:26,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:12:26,559 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:12:26,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:12:26,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1493371673, now seen corresponding path program 4 times [2022-03-04 01:12:26,560 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:12:26,560 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733529542] [2022-03-04 01:12:26,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:12:26,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:12:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:12:30,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 27 proven. 1774 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-04 01:12:30,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:12:30,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733529542] [2022-03-04 01:12:30,578 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733529542] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:12:30,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524225123] [2022-03-04 01:12:30,579 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 01:12:30,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:12:30,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:12:30,580 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 01:12:30,582 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 01:12:30,657 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 01:12:30,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:12:30,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 132 conjunts are in the unsatisfiable core [2022-03-04 01:12:30,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:12:46,007 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-04 01:12:46,008 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 170 treesize of output 62 [2022-03-04 01:12:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 27 proven. 1780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:12:46,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:13:09,445 WARN L228 SmtUtils]: Spent 12.42s on a formula simplification. DAG size of input: 1582 DAG size of output: 854 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-04 01:13:09,447 INFO L353 Elim1Store]: treesize reduction 2496, result has 43.6 percent of original size [2022-03-04 01:13:09,448 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 183 treesize of output 2007 Received shutdown request... [2022-03-04 01:21:51,649 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 01:21:51,651 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 01:21:51,667 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 01:21:51,668 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 01:21:51,668 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 01:21:51,670 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 01:21:51,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:21:51,857 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 158 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. [2022-03-04 01:21:51,859 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 01:21:51,859 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 01:21:51,859 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 01:21:51,865 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-03-04 01:21:51,866 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 01:21:51,866 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 01:21:51,869 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 01:21:51 BasicIcfg [2022-03-04 01:21:51,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 01:21:51,869 INFO L158 Benchmark]: Toolchain (without parser) took 814339.65ms. Allocated memory was 185.6MB in the beginning and 758.1MB in the end (delta: 572.5MB). Free memory was 143.7MB in the beginning and 475.7MB in the end (delta: -332.0MB). Peak memory consumption was 556.3MB. Max. memory is 8.0GB. [2022-03-04 01:21:51,870 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 185.6MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 01:21:51,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.03ms. Allocated memory is still 185.6MB. Free memory was 143.6MB in the beginning and 142.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:21:51,871 INFO L158 Benchmark]: Boogie Preprocessor took 18.31ms. Allocated memory is still 185.6MB. Free memory was 142.1MB in the beginning and 141.2MB in the end (delta: 896.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:21:51,871 INFO L158 Benchmark]: RCFGBuilder took 269.77ms. Allocated memory is still 185.6MB. Free memory was 141.1MB in the beginning and 131.7MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 01:21:51,872 INFO L158 Benchmark]: TraceAbstraction took 814009.17ms. Allocated memory was 185.6MB in the beginning and 758.1MB in the end (delta: 572.5MB). Free memory was 131.3MB in the beginning and 475.7MB in the end (delta: -344.4MB). Peak memory consumption was 543.7MB. Max. memory is 8.0GB. [2022-03-04 01:21:51,873 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 0.16ms. Allocated memory is still 185.6MB. Free memory is still 144.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.03ms. Allocated memory is still 185.6MB. Free memory was 143.6MB in the beginning and 142.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.31ms. Allocated memory is still 185.6MB. Free memory was 142.1MB in the beginning and 141.2MB in the end (delta: 896.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 269.77ms. Allocated memory is still 185.6MB. Free memory was 141.1MB in the beginning and 131.7MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 814009.17ms. Allocated memory was 185.6MB in the beginning and 758.1MB in the end (delta: 572.5MB). Free memory was 131.3MB in the beginning and 475.7MB in the end (delta: -344.4MB). Peak memory consumption was 543.7MB. 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: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 158 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. - TimeoutResultAtElement [Line: 58]: 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 158 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. - TimeoutResultAtElement [Line: 57]: 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 158 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. - TimeoutResultAtElement [Line: 57]: 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 158 with TraceHistMax 32,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 9ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 813.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 24.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 183, 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, 0.3s SatisfiabilityAnalysisTime, 223.2s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 708 ConstructedInterpolants, 0 QuantifiedInterpolants, 25444 SizeOfPredicates, 36 NumberOfNonLiveVariables, 508 ConjunctsInSsa, 153 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 1257/4865 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