/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 19:35:38,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 19:35:38,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 19:35:38,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 19:35:38,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 19:35:38,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 19:35:38,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 19:35:38,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 19:35:38,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 19:35:38,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 19:35:38,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 19:35:38,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 19:35:38,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 19:35:38,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 19:35:38,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 19:35:38,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 19:35:38,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 19:35:38,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 19:35:38,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 19:35:38,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 19:35:38,213 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.epf [2022-02-09 19:35:38,244 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 19:35:38,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 19:35:38,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 19:35:38,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 19:35:38,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 19:35:38,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 19:35:38,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 19:35:38,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 19:35:38,246 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 19:35:38,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 19:35:38,247 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 19:35:38,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 19:35:38,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 19:35:38,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 19:35:38,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 19:35:38,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 19:35:38,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 19:35:38,248 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 19:35:38,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 19:35:38,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 19:35:38,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 19:35:38,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 19:35:38,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 19:35:38,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 19:35:38,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 19:35:38,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 19:35:38,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 19:35:38,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 19:35:38,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 19:35:38,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 19:35:38,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 19:35:38,250 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 19:35:38,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 19:35:38,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 19:35:38,251 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 19:35:38,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 19:35:38,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 19:35:38,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 19:35:38,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 19:35:38,515 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 19:35:38,517 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 19:35:38,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2022-02-09 19:35:38,519 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2022-02-09 19:35:38,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 19:35:38,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 19:35:38,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 19:35:38,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 19:35:38,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 19:35:38,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/1) ... [2022-02-09 19:35:38,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/1) ... [2022-02-09 19:35:38,584 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 19:35:38,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 19:35:38,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 19:35:38,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 19:35:38,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 19:35:38,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/1) ... [2022-02-09 19:35:38,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/1) ... [2022-02-09 19:35:38,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/1) ... [2022-02-09 19:35:38,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/1) ... [2022-02-09 19:35:38,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/1) ... [2022-02-09 19:35:38,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/1) ... [2022-02-09 19:35:38,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/1) ... [2022-02-09 19:35:38,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 19:35:38,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 19:35:38,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 19:35:38,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 19:35:38,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/1) ... [2022-02-09 19:35:38,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 19:35:38,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:35:38,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 19:35:38,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 19:35:38,686 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 19:35:38,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 19:35:38,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 19:35:38,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 19:35:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 19:35:38,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 19:35:38,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 19:35:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 19:35:38,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 19:35:38,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 19:35:38,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 19:35:38,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 19:35:38,688 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 19:35:38,738 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 19:35:38,739 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 19:35:38,840 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 19:35:38,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 19:35:38,854 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 19:35:38,872 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 07:35:38 BoogieIcfgContainer [2022-02-09 19:35:38,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 19:35:38,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 19:35:38,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 19:35:38,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 19:35:38,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 07:35:38" (1/2) ... [2022-02-09 19:35:38,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e5d88e and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 07:35:38, skipping insertion in model container [2022-02-09 19:35:38,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 07:35:38" (2/2) ... [2022-02-09 19:35:38,892 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2022-02-09 19:35:38,896 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 19:35:38,896 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 19:35:38,896 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 19:35:38,897 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 19:35:38,964 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 19:35:39,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 19:35:39,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:35:39,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 19:35:39,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 19:35:39,082 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 19:35:39,087 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=false, 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 [2022-02-09 19:35:39,087 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 19:35:39,098 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2022-02-09 19:35:39,139 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 112 states, 111 states have (on average 2.810810810810811) internal successors, (312), 111 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:35:39,214 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 413 transitions and produced 374 states. [2022-02-09 19:35:39,216 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:35:39,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:35:39,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1439035870, now seen corresponding path program 1 times [2022-02-09 19:35:39,230 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:35:39,230 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253300080] [2022-02-09 19:35:39,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:35:39,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:35:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:35:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 495 proven. 138 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-09 19:35:40,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:35:40,051 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253300080] [2022-02-09 19:35:40,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253300080] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:35:40,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328440130] [2022-02-09 19:35:40,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:35:40,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:35:40,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:35:40,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:35:40,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 19:35:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:35:40,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-09 19:35:40,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:35:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 133 proven. 512 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-09 19:35:41,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:35:42,589 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 24 proven. 636 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 19:35:42,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328440130] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:35:42,590 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:35:42,590 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 25, 37] total 75 [2022-02-09 19:35:42,592 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789198372] [2022-02-09 19:35:42,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:35:42,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-02-09 19:35:42,602 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:35:42,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-02-09 19:35:42,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=4322, Unknown=0, NotChecked=0, Total=5550 [2022-02-09 19:35:42,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:35:42,637 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:35:42,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 2.8) internal successors, (210), 75 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:35:42,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:35:46,478 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 432 transitions and produced 410 states. [2022-02-09 19:35:46,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-02-09 19:35:46,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 19:35:46,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-09 19:35:46,680 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:35:46,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:35:46,681 INFO L85 PathProgramCache]: Analyzing trace with hash -579772396, now seen corresponding path program 2 times [2022-02-09 19:35:46,681 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:35:46,682 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871569289] [2022-02-09 19:35:46,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:35:46,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:35:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:35:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 410 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:35:47,439 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:35:47,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871569289] [2022-02-09 19:35:47,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871569289] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:35:47,439 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623068587] [2022-02-09 19:35:47,439 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 19:35:47,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:35:47,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:35:47,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:35:47,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 19:35:47,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 19:35:47,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:35:47,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-09 19:35:47,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:35:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 385 proven. 196 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-02-09 19:35:48,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:35:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 385 proven. 196 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-02-09 19:35:49,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623068587] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:35:49,422 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:35:49,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 32, 32] total 88 [2022-02-09 19:35:49,422 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517305350] [2022-02-09 19:35:49,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:35:49,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-02-09 19:35:49,424 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:35:49,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-02-09 19:35:49,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1179, Invalid=6477, Unknown=0, NotChecked=0, Total=7656 [2022-02-09 19:35:49,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:35:49,428 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:35:49,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 2.25) internal successors, (198), 88 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:35:49,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-02-09 19:35:49,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:35:51,046 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 536 transitions and produced 508 states. [2022-02-09 19:35:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-02-09 19:35:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:35:51,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 19:35:51,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:35:51,248 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:35:51,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:35:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash 743243404, now seen corresponding path program 3 times [2022-02-09 19:35:51,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:35:51,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584875264] [2022-02-09 19:35:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:35:51,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:35:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:35:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 410 proven. 617 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 19:35:52,012 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:35:52,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584875264] [2022-02-09 19:35:52,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584875264] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:35:52,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163124053] [2022-02-09 19:35:52,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 19:35:52,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:35:52,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:35:52,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:35:52,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 19:35:52,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2022-02-09 19:35:52,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:35:52,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 52 conjunts are in the unsatisfiable core [2022-02-09 19:35:52,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:35:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 410 proven. 617 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-09 19:35:53,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:35:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 457 proven. 576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:35:56,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163124053] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:35:56,192 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:35:56,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 53] total 141 [2022-02-09 19:35:56,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892766425] [2022-02-09 19:35:56,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:35:56,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2022-02-09 19:35:56,194 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:35:56,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2022-02-09 19:35:56,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3688, Invalid=16052, Unknown=0, NotChecked=0, Total=19740 [2022-02-09 19:35:56,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:35:56,200 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:35:56,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 2.198581560283688) internal successors, (310), 141 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 19:35:56,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-02-09 19:35:56,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:35:56,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:35:58,514 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 610 transitions and produced 579 states. [2022-02-09 19:35:58,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-02-09 19:35:58,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:35:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-02-09 19:35:58,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 19:35:58,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:35:58,717 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 19:35:58,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:35:58,717 INFO L85 PathProgramCache]: Analyzing trace with hash 180059998, now seen corresponding path program 4 times [2022-02-09 19:35:58,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:35:58,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205089723] [2022-02-09 19:35:58,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:35:58,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:35:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:36:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1376 backedges. 355 proven. 1021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:36:07,288 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:36:07,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205089723] [2022-02-09 19:36:07,288 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205089723] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:36:07,288 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940746383] [2022-02-09 19:36:07,288 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 19:36:07,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:36:07,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:36:07,290 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:36:07,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 19:36:07,387 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 19:36:07,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:36:07,393 WARN L261 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 232 conjunts are in the unsatisfiable core [2022-02-09 19:36:07,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:36:20,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 19:36:20,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 19:36:20,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 19:36:20,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:36:20,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 19:36:20,698 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 378 disjoint index pairs (out of 496 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 529 treesize of output 411 [2022-02-09 19:37:09,024 WARN L228 SmtUtils]: Spent 48.29s on a formula simplification. DAG size of input: 2869 DAG size of output: 2401 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-09 19:37:09,035 INFO L353 Elim1Store]: treesize reduction 1972, result has 75.7 percent of original size [2022-02-09 19:37:09,037 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 411 treesize of output 6203 [2022-02-09 19:37:09,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 19:37:09,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 19:37:09,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 19:37:09,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 19:37:09,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 19:37:09,947 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 378 disjoint index pairs (out of 496 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 8402 treesize of output 6816 Received shutdown request... [2022-02-09 19:49:16,724 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-09 19:49:16,727 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-09 19:49:16,736 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 19:49:16,737 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 19:49:16,745 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 19:49:16,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 19:49:16,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:49:16,945 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 131 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 11ms.. [2022-02-09 19:49:16,946 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 19:49:16,947 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 19:49:16,947 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 19:49:16,952 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-02-09 19:49:16,954 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 19:49:16,954 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 19:49:16,956 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 07:49:16 BasicIcfg [2022-02-09 19:49:16,956 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 19:49:16,957 INFO L158 Benchmark]: Toolchain (without parser) took 818397.10ms. Allocated memory was 177.2MB in the beginning and 659.6MB in the end (delta: 482.3MB). Free memory was 136.2MB in the beginning and 557.8MB in the end (delta: -421.6MB). Peak memory consumption was 423.1MB. Max. memory is 8.0GB. [2022-02-09 19:49:16,957 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 177.2MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 19:49:16,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.14ms. Allocated memory is still 177.2MB. Free memory was 136.2MB in the beginning and 134.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 19:49:16,958 INFO L158 Benchmark]: Boogie Preprocessor took 23.93ms. Allocated memory is still 177.2MB. Free memory was 134.6MB in the beginning and 133.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 19:49:16,959 INFO L158 Benchmark]: RCFGBuilder took 259.96ms. Allocated memory is still 177.2MB. Free memory was 133.6MB in the beginning and 124.3MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-09 19:49:16,960 INFO L158 Benchmark]: TraceAbstraction took 818082.29ms. Allocated memory was 177.2MB in the beginning and 659.6MB in the end (delta: 482.3MB). Free memory was 123.8MB in the beginning and 557.8MB in the end (delta: -434.0MB). Peak memory consumption was 410.5MB. Max. memory is 8.0GB. [2022-02-09 19:49:16,962 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 177.2MB. Free memory is still 137.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.14ms. Allocated memory is still 177.2MB. Free memory was 136.2MB in the beginning and 134.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.93ms. Allocated memory is still 177.2MB. Free memory was 134.6MB in the beginning and 133.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 259.96ms. Allocated memory is still 177.2MB. Free memory was 133.6MB in the beginning and 124.3MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 818082.29ms. Allocated memory was 177.2MB in the beginning and 659.6MB in the end (delta: 482.3MB). Free memory was 123.8MB in the beginning and 557.8MB in the end (delta: -434.0MB). Peak memory consumption was 410.5MB. 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: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 131 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 11ms.. - TimeoutResultAtElement [Line: 60]: 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 131 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 11ms.. - TimeoutResultAtElement [Line: 60]: 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 131 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 11ms.. - TimeoutResultAtElement [Line: 61]: 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 131 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 11ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 817.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 7.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, InterpolantAutomatonStates: 260, 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, 0.4s SatisfiabilityAnalysisTime, 10.4s InterpolantComputationTime, 612 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 909 ConstructedInterpolants, 0 QuantifiedInterpolants, 7003 SizeOfPredicates, 18 NumberOfNonLiveVariables, 768 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 3325/7056 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