/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-inc.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 05:50:00,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 05:50:00,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 05:50:00,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 05:50:00,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 05:50:00,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 05:50:00,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 05:50:00,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 05:50:00,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 05:50:00,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 05:50:00,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 05:50:00,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 05:50:00,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 05:50:00,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 05:50:00,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 05:50:00,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 05:50:00,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 05:50:00,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 05:50:00,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 05:50:00,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 05:50:00,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 05:50:00,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 05:50:00,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 05:50:00,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 05:50:00,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 05:50:00,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 05:50:00,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 05:50:00,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 05:50:00,197 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 05:50:00,224 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 05:50:00,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 05:50:00,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 05:50:00,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 05:50:00,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 05:50:00,225 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 05:50:00,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 05:50:00,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 05:50:00,226 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 05:50:00,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 05:50:00,227 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 05:50:00,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 05:50:00,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 05:50:00,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 05:50:00,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 05:50:00,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 05:50:00,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 05:50:00,228 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 05:50:00,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 05:50:00,228 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 05:50:00,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 05:50:00,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 05:50:00,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 05:50:00,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 05:50:00,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 05:50:00,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:50:00,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 05:50:00,229 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 05:50:00,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 05:50:00,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 05:50:00,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 05:50:00,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 05:50:00,230 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 05:50:00,230 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 05:50:00,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 05:50:00,230 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 05:50:00,230 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 05:50:00,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 05:50:00,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 05:50:00,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 05:50:00,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 05:50:00,445 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 05:50:00,446 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 05:50:00,447 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl [2022-03-04 05:50:00,447 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl' [2022-03-04 05:50:00,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 05:50:00,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 05:50:00,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 05:50:00,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 05:50:00,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 05:50:00,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/1) ... [2022-03-04 05:50:00,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/1) ... [2022-03-04 05:50:00,498 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 05:50:00,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 05:50:00,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 05:50:00,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 05:50:00,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 05:50:00,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/1) ... [2022-03-04 05:50:00,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/1) ... [2022-03-04 05:50:00,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/1) ... [2022-03-04 05:50:00,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/1) ... [2022-03-04 05:50:00,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/1) ... [2022-03-04 05:50:00,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/1) ... [2022-03-04 05:50:00,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/1) ... [2022-03-04 05:50:00,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 05:50:00,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 05:50:00,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 05:50:00,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 05:50:00,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/1) ... [2022-03-04 05:50:00,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:50:00,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:50:00,564 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 05:50:00,570 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 05:50:00,594 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 05:50:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 05:50:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 05:50:00,594 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 05:50:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 05:50:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 05:50:00,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 05:50:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 05:50:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 05:50:00,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 05:50:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 05:50:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 05:50:00,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-04 05:50:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 05:50:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 05:50:00,596 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 05:50:00,634 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 05:50:00,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 05:50:00,727 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 05:50:00,739 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 05:50:00,740 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 05:50:00,742 INFO L202 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:50:00 BoogieIcfgContainer [2022-03-04 05:50:00,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 05:50:00,743 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 05:50:00,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 05:50:00,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 05:50:00,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:50:00" (1/2) ... [2022-03-04 05:50:00,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c2b396 and model type min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:50:00, skipping insertion in model container [2022-03-04 05:50:00,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:50:00" (2/2) ... [2022-03-04 05:50:00,760 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-inc.wvr.bpl [2022-03-04 05:50:00,764 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 05:50:00,764 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 05:50:00,764 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 05:50:00,765 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 05:50:00,806 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 05:50:00,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 05:50:00,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:50:00,860 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 05:50:00,861 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 05:50:00,884 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 05:50:00,901 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 05:50:00,901 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 05:50:01,134 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6925 transitions and produced 1808 states. [2022-03-04 05:50:01,136 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 05:50:01,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:50:01,141 INFO L85 PathProgramCache]: Analyzing trace with hash 386440407, now seen corresponding path program 1 times [2022-03-04 05:50:01,152 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:50:01,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914260389] [2022-03-04 05:50:01,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:50:01,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:50:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:50:01,784 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 05:50:01,785 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:50:01,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914260389] [2022-03-04 05:50:01,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914260389] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:50:01,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637468758] [2022-03-04 05:50:01,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:50:01,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:50:01,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:50:01,795 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 05:50:01,838 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 05:50:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:50:01,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 20 conjunts are in the unsatisfiable core [2022-03-04 05:50:01,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:50:02,237 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 05:50:02,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:50:02,461 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 05:50:02,462 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637468758] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:50:02,462 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:50:02,462 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 6, 6] total 24 [2022-03-04 05:50:02,464 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897919265] [2022-03-04 05:50:02,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:50:02,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-04 05:50:02,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:50:02,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-04 05:50:02,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=499, Unknown=0, NotChecked=0, Total=600 [2022-03-04 05:50:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:50:02,492 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:50:02,495 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 05:50:02,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:50:04,685 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 32584 transitions and produced 7688 states. [2022-03-04 05:50:04,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:50:04,714 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 05:50:04,911 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 05:50:04,912 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 05:50:04,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:50:04,913 INFO L85 PathProgramCache]: Analyzing trace with hash 406180195, now seen corresponding path program 2 times [2022-03-04 05:50:04,913 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:50:04,913 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665657232] [2022-03-04 05:50:04,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:50:04,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:50:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:50:05,389 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 05:50:05,389 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:50:05,389 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665657232] [2022-03-04 05:50:05,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665657232] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:50:05,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674655832] [2022-03-04 05:50:05,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:50:05,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:50:05,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:50:05,392 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 05:50:05,409 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 05:50:05,467 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:50:05,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:50:05,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-04 05:50:05,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:50:05,899 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 05:50:05,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:50:06,267 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 05:50:06,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674655832] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:50:06,269 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:50:06,269 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 13, 13] total 45 [2022-03-04 05:50:06,270 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193737333] [2022-03-04 05:50:06,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:50:06,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-03-04 05:50:06,274 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:50:06,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-03-04 05:50:06,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=1675, Unknown=0, NotChecked=0, Total=2070 [2022-03-04 05:50:06,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:50:06,276 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:50:06,276 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 05:50:06,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:50:06,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:50:10,947 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 80351 transitions and produced 18545 states. [2022-03-04 05:50:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:50:10,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:50:10,966 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 05:50:11,148 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 05:50:11,149 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 05:50:11,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:50:11,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1262682725, now seen corresponding path program 3 times [2022-03-04 05:50:11,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:50:11,150 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300037663] [2022-03-04 05:50:11,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:50:11,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:50:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:50:11,725 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 05:50:11,725 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:50:11,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300037663] [2022-03-04 05:50:11,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300037663] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:50:11,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598085790] [2022-03-04 05:50:11,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:50:11,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:50:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:50:11,728 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 05:50:11,729 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 05:50:11,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-03-04 05:50:11,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:50:11,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 34 conjunts are in the unsatisfiable core [2022-03-04 05:50:11,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:50:12,184 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-03-04 05:50:12,185 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 05:50:12,403 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-03-04 05:50:12,403 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 05:50:12,574 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:50:12,575 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 05:50:12,957 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 05:50:12,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:50:24,410 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:50:24,411 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:50:24,419 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-03-04 05:50:24,419 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 29 [2022-03-04 05:50:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 440 proven. 142 refuted. 0 times theorem prover too weak. 1072 trivial. 0 not checked. [2022-03-04 05:50:24,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598085790] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:50:24,571 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:50:24,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 14, 23] total 67 [2022-03-04 05:50:24,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379411449] [2022-03-04 05:50:24,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:50:24,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-03-04 05:50:24,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:50:24,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-03-04 05:50:24,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=3829, Unknown=5, NotChecked=0, Total=4422 [2022-03-04 05:50:24,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:50:24,575 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:50:24,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.91044776119403) internal successors, (195), 67 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 05:50:24,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:50:24,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:50:24,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:50:28,666 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 713 transitions and produced 581 states. [2022-03-04 05:50:28,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:50:28,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:50:28,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-03-04 05:50:28,691 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 05:50:28,868 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 05:50:28,868 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 05:50:28,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:50:28,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1603192017, now seen corresponding path program 4 times [2022-03-04 05:50:28,869 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:50:28,869 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897081187] [2022-03-04 05:50:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:50:28,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:50:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:50:29,492 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 05:50:29,493 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:50:29,493 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897081187] [2022-03-04 05:50:29,493 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897081187] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:50:29,493 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983542565] [2022-03-04 05:50:29,493 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:50:29,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:50:29,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:50:29,495 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 05:50:29,495 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 05:50:29,586 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:50:29,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:50:29,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 43 conjunts are in the unsatisfiable core [2022-03-04 05:50:29,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:50:30,413 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 05:50:30,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:50:30,727 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 05:50:30,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983542565] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:50:30,728 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:50:30,728 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 25, 25] total 62 [2022-03-04 05:50:30,728 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148404466] [2022-03-04 05:50:30,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:50:30,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-03-04 05:50:30,729 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:50:30,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-03-04 05:50:30,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=650, Invalid=3256, Unknown=0, NotChecked=0, Total=3906 [2022-03-04 05:50:30,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:50:30,734 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:50:30,735 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 05:50:30,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:50:30,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:50:30,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-03-04 05:50:30,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:50:35,012 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 661 transitions and produced 592 states. [2022-03-04 05:50:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:50:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:50:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-03-04 05:50:35,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-03-04 05:50:35,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-04 05:50:35,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:50:35,214 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 05:50:35,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:50:35,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1119199021, now seen corresponding path program 5 times [2022-03-04 05:50:35,215 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:50:35,215 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617306748] [2022-03-04 05:50:35,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:50:35,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:50:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:50:35,804 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 05:50:35,804 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:50:35,804 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617306748] [2022-03-04 05:50:35,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617306748] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:50:35,804 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721379803] [2022-03-04 05:50:35,804 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:50:35,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:50:35,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:50:35,806 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 05:50:35,806 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 05:50:37,038 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2022-03-04 05:50:37,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:50:37,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 41 conjunts are in the unsatisfiable core [2022-03-04 05:50:37,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:50:38,313 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 05:50:38,313 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:50:38,653 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 05:50:38,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721379803] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:50:38,654 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:50:38,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 81 [2022-03-04 05:50:38,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707361504] [2022-03-04 05:50:38,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:50:38,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-03-04 05:50:38,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:50:38,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-03-04 05:50:38,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=921, Invalid=5721, Unknown=0, NotChecked=0, Total=6642 [2022-03-04 05:50:38,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:50:38,657 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:50:38,657 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 05:50:38,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:50:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:50:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-03-04 05:50:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-03-04 05:50:38,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:50:42,549 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3570 transitions and produced 1852 states. [2022-03-04 05:50:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-03-04 05:50:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-03-04 05:50:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-03-04 05:50:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2022-03-04 05:50:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-03-04 05:50:42,576 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 05:50:42,775 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 05:50:42,776 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 05:50:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:50:42,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1174203839, now seen corresponding path program 6 times [2022-03-04 05:50:42,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:50:42,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230302784] [2022-03-04 05:50:42,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:50:42,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:50:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:50:46,426 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 05:50:46,426 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:50:46,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230302784] [2022-03-04 05:50:46,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230302784] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:50:46,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135944125] [2022-03-04 05:50:46,427 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:50:46,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:50:46,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:50:46,429 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 05:50:46,429 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 05:50:51,812 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 68 check-sat command(s) [2022-03-04 05:50:51,812 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:50:51,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 207 conjunts are in the unsatisfiable core [2022-03-04 05:50:51,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-04 06:03:59,719 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 06:03:59,722 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-04 06:03:59,722 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 06:03:59,722 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 06:03:59,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-04 06:03:59,922 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 06:03:59,923 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 284 with TraceHistMax 69,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-3-1 context. [2022-03-04 06:03:59,924 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-04 06:03:59,925 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-04 06:03:59,925 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-04 06:03:59,925 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-04 06:03:59,930 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 06:03:59,932 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:03:59,932 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:03:59,936 INFO L202 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:03:59 BasicIcfg [2022-03-04 06:03:59,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:03:59,939 INFO L158 Benchmark]: Toolchain (without parser) took 839464.50ms. Allocated memory was 182.5MB in the beginning and 789.6MB in the end (delta: 607.1MB). Free memory was 141.9MB in the beginning and 515.5MB in the end (delta: -373.7MB). Peak memory consumption was 530.7MB. Max. memory is 8.0GB. [2022-03-04 06:03:59,939 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:03:59,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.75ms. Allocated memory is still 182.5MB. Free memory was 141.9MB in the beginning and 140.3MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-04 06:03:59,943 INFO L158 Benchmark]: Boogie Preprocessor took 23.37ms. Allocated memory is still 182.5MB. Free memory was 140.3MB in the beginning and 139.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:03:59,944 INFO L158 Benchmark]: RCFGBuilder took 217.96ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 129.5MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:03:59,944 INFO L158 Benchmark]: TraceAbstraction took 839193.43ms. Allocated memory was 182.5MB in the beginning and 789.6MB in the end (delta: 607.1MB). Free memory was 129.0MB in the beginning and 515.5MB in the end (delta: -386.5MB). Peak memory consumption was 516.0MB. Max. memory is 8.0GB. [2022-03-04 06:03:59,945 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 0.12ms. Allocated memory is still 182.5MB. Free memory is still 143.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.75ms. Allocated memory is still 182.5MB. Free memory was 141.9MB in the beginning and 140.3MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.37ms. Allocated memory is still 182.5MB. Free memory was 140.3MB in the beginning and 139.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 217.96ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 129.5MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 839193.43ms. Allocated memory was 182.5MB in the beginning and 789.6MB in the end (delta: 607.1MB). Free memory was 129.0MB in the beginning and 515.5MB in the end (delta: -386.5MB). Peak memory consumption was 516.0MB. 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 PolyPacSimplificationTermWalker was simplifying a ∨-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-3-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∨-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-3-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∨-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-3-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∨-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-3-1 context. - 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 PolyPacSimplificationTermWalker was simplifying a ∨-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∨-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 839.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 19.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 657, 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, 1.7s SatisfiabilityAnalysisTime, 19.3s InterpolantComputationTime, 1258 NumberOfCodeBlocks, 1171 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 1872 ConstructedInterpolants, 23 QuantifiedInterpolants, 8249 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1475 ConjunctsInSsa, 168 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 11166/15591 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