/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-MCRwithoutDepranks-Lazy.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-4b0ab11 [2022-03-02 10:41:04,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 10:41:04,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 10:41:04,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 10:41:04,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 10:41:04,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 10:41:04,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 10:41:04,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 10:41:04,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 10:41:04,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 10:41:04,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 10:41:04,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 10:41:04,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 10:41:04,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 10:41:04,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 10:41:04,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 10:41:04,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 10:41:04,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 10:41:04,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 10:41:04,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 10:41:04,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 10:41:04,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 10:41:04,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 10:41:04,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 10:41:04,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-02 10:41:04,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-02 10:41:04,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-02 10:41:04,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-02 10:41:04,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-02 10:41:04,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-02 10:41:04,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-02 10:41:04,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-02 10:41:04,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-02 10:41:04,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-02 10:41:04,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-02 10:41:04,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-02 10:41:04,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-02 10:41:04,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-02 10:41:04,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 10:41:04,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 10:41:04,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 10:41:04,693 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-MCRwithoutDepranks-Lazy.epf [2022-03-02 10:41:04,718 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 10:41:04,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 10:41:04,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 10:41:04,719 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 10:41:04,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 10:41:04,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 10:41:04,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 10:41:04,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 10:41:04,723 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 10:41:04,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 10:41:04,724 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 10:41:04,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 10:41:04,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 10:41:04,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 10:41:04,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 10:41:04,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 10:41:04,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 10:41:04,725 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 10:41:04,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 10:41:04,725 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 10:41:04,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 10:41:04,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 10:41:04,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 10:41:04,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 10:41:04,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 10:41:04,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:41:04,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 10:41:04,726 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 10:41:04,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 10:41:04,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 10:41:04,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 10:41:04,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 10:41:04,726 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 10:41:04,726 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 10:41:04,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 10:41:04,727 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 10:41:04,727 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 10:41:04,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 10:41:04,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 10:41:04,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 10:41:04,918 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 10:41:04,918 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 10:41:04,919 INFO L432 ainManager$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 [2022-03-02 10:41:04,919 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' [2022-03-02 10:41:04,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 10:41:04,939 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 10:41:04,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 10:41:04,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 10:41:04,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 10:41:04,956 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 02.03 10:41:04" (1/1) ... [2022-03-02 10:41:04,961 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 02.03 10:41:04" (1/1) ... [2022-03-02 10:41:04,966 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 10:41:04,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 10:41:04,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 10:41:04,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 10:41:04,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 10:41:04,973 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 02.03 10:41:04" (1/1) ... [2022-03-02 10:41:04,974 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 02.03 10:41:04" (1/1) ... [2022-03-02 10:41:04,975 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 02.03 10:41:04" (1/1) ... [2022-03-02 10:41:04,976 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 02.03 10:41:04" (1/1) ... [2022-03-02 10:41:04,979 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 02.03 10:41:04" (1/1) ... [2022-03-02 10:41:04,982 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 02.03 10:41:04" (1/1) ... [2022-03-02 10:41:04,983 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 02.03 10:41:04" (1/1) ... [2022-03-02 10:41:04,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 10:41:04,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 10:41:04,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 10:41:04,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 10:41:04,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:41:04" (1/1) ... [2022-03-02 10:41:04,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:41:05,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:41:05,029 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) [2022-03-02 10:41:05,047 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 [2022-03-02 10:41:05,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 10:41:05,056 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 10:41:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 10:41:05,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 10:41:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 10:41:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 10:41:05,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 10:41:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 10:41:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 10:41:05,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 10:41:05,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 10:41:05,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 10:41:05,058 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 10:41:05,097 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 10:41:05,098 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 10:41:05,205 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 10:41:05,214 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 10:41:05,214 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 10:41:05,215 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:41:05 BoogieIcfgContainer [2022-03-02 10:41:05,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 10:41:05,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 10:41:05,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 10:41:05,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 10:41:05,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:41:04" (1/2) ... [2022-03-02 10:41:05,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5b2ecc and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 10:41:05, skipping insertion in model container [2022-03-02 10:41:05,234 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 02.03 10:41:05" (2/2) ... [2022-03-02 10:41:05,235 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2022-03-02 10:41:05,238 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 10:41:05,238 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 10:41:05,238 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 10:41:05,238 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 10:41:05,259 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 10:41:05,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 10:41:05,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:41:05,309 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) [2022-03-02 10:41:05,310 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 [2022-03-02 10:41:05,365 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 10:41:05,370 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-02 10:41:05,370 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 10:41:05,559 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 355 transitions and produced 322 states. [2022-03-02 10:41:05,560 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:41:05,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:41:05,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1580910288, now seen corresponding path program 1 times [2022-03-02 10:41:05,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:41:05,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390294171] [2022-03-02 10:41:05,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:41:05,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:41:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:41:06,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 477 proven. 576 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-02 10:41:06,511 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:41:06,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390294171] [2022-03-02 10:41:06,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390294171] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:41:06,512 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5726585] [2022-03-02 10:41:06,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:41:06,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:41:06,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:41:06,514 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) [2022-03-02 10:41:06,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 10:41:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:41:06,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-02 10:41:06,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:41:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 516 proven. 537 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-02 10:41:07,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:41:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 633 proven. 428 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 10:41:08,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5726585] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:41:08,828 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:41:08,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 42] total 92 [2022-03-02 10:41:08,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839987401] [2022-03-02 10:41:08,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:41:08,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-03-02 10:41:08,834 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:41:08,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-03-02 10:41:08,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2240, Invalid=6132, Unknown=0, NotChecked=0, Total=8372 [2022-03-02 10:41:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:41:08,862 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:41:08,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.4347826086956523) internal successors, (224), 92 states have internal predecessors, (224), 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) [2022-03-02 10:41:08,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:41:12,220 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 634 transitions and produced 606 states. [2022-03-02 10:41:12,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:41:12,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 10:41:12,421 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 [2022-03-02 10:41:12,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:41:12,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:41:12,422 INFO L85 PathProgramCache]: Analyzing trace with hash -53638920, now seen corresponding path program 2 times [2022-03-02 10:41:12,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:41:12,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200192193] [2022-03-02 10:41:12,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:41:12,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:41:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:41:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1169 proven. 1736 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:41:14,110 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:41:14,110 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200192193] [2022-03-02 10:41:14,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200192193] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:41:14,111 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945116204] [2022-03-02 10:41:14,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 10:41:14,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:41:14,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:41:14,112 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) [2022-03-02 10:41:14,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 10:41:14,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 10:41:14,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:41:14,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-02 10:41:14,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:41:16,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1236 proven. 1669 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:41:16,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:41:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1073 proven. 1840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 10:41:18,799 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945116204] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:41:18,800 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:41:18,800 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 76, 84] total 164 [2022-03-02 10:41:18,800 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834957909] [2022-03-02 10:41:18,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:41:18,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2022-03-02 10:41:18,801 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:41:18,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2022-03-02 10:41:18,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5285, Invalid=21447, Unknown=0, NotChecked=0, Total=26732 [2022-03-02 10:41:18,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:41:18,808 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:41:18,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 2.2439024390243905) internal successors, (368), 164 states have internal predecessors, (368), 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) [2022-03-02 10:41:18,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:41:18,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:41:25,427 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 835 transitions and produced 797 states. [2022-03-02 10:41:25,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:41:25,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:41:25,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-02 10:41:25,639 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 [2022-03-02 10:41:25,640 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:41:25,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:41:25,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1290227456, now seen corresponding path program 3 times [2022-03-02 10:41:25,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:41:25,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099095145] [2022-03-02 10:41:25,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:41:25,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:41:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:41:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2289 proven. 2683 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:41:28,053 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:41:28,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099095145] [2022-03-02 10:41:28,053 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099095145] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:41:28,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161934341] [2022-03-02 10:41:28,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 10:41:28,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:41:28,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:41:28,055 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) [2022-03-02 10:41:28,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 10:41:28,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 59 check-sat command(s) [2022-03-02 10:41:28,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:41:28,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 106 conjunts are in the unsatisfiable core [2022-03-02 10:41:28,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:41:31,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2384 proven. 2588 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:41:31,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:41:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2025 proven. 2955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 10:41:36,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161934341] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:41:36,051 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:41:36,051 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99, 107] total 222 [2022-03-02 10:41:36,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626849459] [2022-03-02 10:41:36,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:41:36,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2022-03-02 10:41:36,052 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:41:36,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2022-03-02 10:41:36,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10115, Invalid=38947, Unknown=0, NotChecked=0, Total=49062 [2022-03-02 10:41:36,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:41:36,060 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:41:36,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 2.1576576576576576) internal successors, (479), 222 states have internal predecessors, (479), 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) [2022-03-02 10:41:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:41:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:41:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:41:46,811 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1097 transitions and produced 1044 states. [2022-03-02 10:41:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:41:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:41:46,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:41:46,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-02 10:41:47,015 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 [2022-03-02 10:41:47,016 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:41:47,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:41:47,016 INFO L85 PathProgramCache]: Analyzing trace with hash 9683554, now seen corresponding path program 4 times [2022-03-02 10:41:47,016 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:41:47,016 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135230544] [2022-03-02 10:41:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:41:47,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:41:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:41:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3801 proven. 5235 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:41:51,283 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:41:51,283 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135230544] [2022-03-02 10:41:51,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135230544] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:41:51,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671123255] [2022-03-02 10:41:51,284 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 10:41:51,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:41:51,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:41:51,285 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) [2022-03-02 10:41:51,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 10:41:51,420 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 10:41:51,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:41:51,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 142 conjunts are in the unsatisfiable core [2022-03-02 10:41:51,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:41:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3924 proven. 5112 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:41:56,452 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:42:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3369 proven. 5675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 10:42:02,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671123255] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:42:02,117 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:42:02,117 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 135, 143] total 273 [2022-03-02 10:42:02,117 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034980478] [2022-03-02 10:42:02,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:42:02,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 273 states [2022-03-02 10:42:02,118 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:42:02,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 273 interpolants. [2022-03-02 10:42:02,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14568, Invalid=59688, Unknown=0, NotChecked=0, Total=74256 [2022-03-02 10:42:02,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:42:02,124 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:42:02,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 273 states, 273 states have (on average 2.1465201465201464) internal successors, (586), 273 states have internal predecessors, (586), 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) [2022-03-02 10:42:02,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:42:02,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:42:02,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:42:02,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:42:19,503 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1283 transitions and produced 1223 states. [2022-03-02 10:42:19,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:42:19,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:42:19,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:42:19,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:42:19,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 10:42:19,724 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 [2022-03-02 10:42:19,724 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:42:19,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:42:19,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1792220048, now seen corresponding path program 5 times [2022-03-02 10:42:19,725 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:42:19,725 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477972802] [2022-03-02 10:42:19,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:42:19,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:42:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:42:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5705 proven. 6323 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:42:25,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:42:25,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477972802] [2022-03-02 10:42:25,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477972802] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:42:25,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990573215] [2022-03-02 10:42:25,318 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 10:42:25,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:42:25,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:42:25,319 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) [2022-03-02 10:42:25,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 10:42:25,741 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 87 check-sat command(s) [2022-03-02 10:42:25,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:42:25,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 162 conjunts are in the unsatisfiable core [2022-03-02 10:42:25,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:42:32,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5856 proven. 6172 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:42:32,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:42:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5105 proven. 6931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 10:42:41,551 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990573215] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:42:41,551 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:42:41,551 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [155, 155, 163] total 334 [2022-03-02 10:42:41,551 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702260133] [2022-03-02 10:42:41,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:42:41,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 334 states [2022-03-02 10:42:41,552 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:42:41,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 334 interpolants. [2022-03-02 10:42:41,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23093, Invalid=88129, Unknown=0, NotChecked=0, Total=111222 [2022-03-02 10:42:41,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:42:41,560 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:42:41,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 334 states, 334 states have (on average 2.104790419161677) internal successors, (703), 334 states have internal predecessors, (703), 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) [2022-03-02 10:42:41,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:42:41,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:42:41,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:42:41,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:42:41,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:43:05,066 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1545 transitions and produced 1470 states. [2022-03-02 10:43:05,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:43:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:43:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:43:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:43:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:43:05,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 10:43:05,269 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 [2022-03-02 10:43:05,270 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:43:05,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:43:05,271 INFO L85 PathProgramCache]: Analyzing trace with hash 866721010, now seen corresponding path program 6 times [2022-03-02 10:43:05,271 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:43:05,271 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951365527] [2022-03-02 10:43:05,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:43:05,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:43:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:43:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 8001 proven. 10107 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:43:13,652 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:43:13,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951365527] [2022-03-02 10:43:13,652 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951365527] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:43:13,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565150405] [2022-03-02 10:43:13,653 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 10:43:13,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:43:13,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:43:13,654 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) [2022-03-02 10:43:13,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 10:43:14,520 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 101 check-sat command(s) [2022-03-02 10:43:14,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:43:14,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 198 conjunts are in the unsatisfiable core [2022-03-02 10:43:14,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:43:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 8180 proven. 9928 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:43:24,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:43:35,200 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 7233 proven. 10883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 10:43:35,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565150405] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:43:35,201 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:43:35,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 199] total 385 [2022-03-02 10:43:35,201 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450278378] [2022-03-02 10:43:35,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:43:35,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 385 states [2022-03-02 10:43:35,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:43:35,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 385 interpolants. [2022-03-02 10:43:35,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29702, Invalid=118138, Unknown=0, NotChecked=0, Total=147840 [2022-03-02 10:43:35,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:43:35,214 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:43:35,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 385 states, 385 states have (on average 2.103896103896104) internal successors, (810), 385 states have internal predecessors, (810), 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) [2022-03-02 10:43:35,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:43:35,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:43:35,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:43:35,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:43:35,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:43:35,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:44:09,526 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1731 transitions and produced 1649 states. [2022-03-02 10:44:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:44:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:44:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:44:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:44:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:44:09,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-02 10:44:09,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 10:44:09,727 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 [2022-03-02 10:44:09,730 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:44:09,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:44:09,730 INFO L85 PathProgramCache]: Analyzing trace with hash -492722656, now seen corresponding path program 7 times [2022-03-02 10:44:09,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:44:09,730 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130497933] [2022-03-02 10:44:09,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:44:09,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:44:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:44:19,863 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 10689 proven. 11531 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:44:19,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:44:19,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130497933] [2022-03-02 10:44:19,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130497933] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:44:19,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107884684] [2022-03-02 10:44:19,864 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 10:44:19,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:44:19,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:44:19,865 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:44:19,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-02 10:44:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:44:20,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 218 conjunts are in the unsatisfiable core [2022-03-02 10:44:20,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:44:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 10896 proven. 11324 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:44:32,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:44:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 9753 proven. 12475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 10:44:47,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107884684] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:44:47,699 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:44:47,699 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [211, 211, 219] total 446 [2022-03-02 10:44:47,699 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866091806] [2022-03-02 10:44:47,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:44:47,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 446 states [2022-03-02 10:44:47,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:44:47,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 446 interpolants. [2022-03-02 10:44:47,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41559, Invalid=156911, Unknown=0, NotChecked=0, Total=198470 [2022-03-02 10:44:47,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:44:47,712 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:44:47,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 446 states, 446 states have (on average 2.07847533632287) internal successors, (927), 446 states have internal predecessors, (927), 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) [2022-03-02 10:44:47,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:44:47,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:44:47,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:44:47,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:44:47,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:44:47,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-02 10:44:47,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:45:32,911 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1993 transitions and produced 1896 states. [2022-03-02 10:45:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:45:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:45:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:45:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:45:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:45:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-02 10:45:32,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-02 10:45:32,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-02 10:45:33,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-02 10:45:33,112 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:45:33,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:45:33,113 INFO L85 PathProgramCache]: Analyzing trace with hash -894265470, now seen corresponding path program 8 times [2022-03-02 10:45:33,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:45:33,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572344705] [2022-03-02 10:45:33,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:45:33,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:45:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:45:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 13769 proven. 16547 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:45:47,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:45:47,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572344705] [2022-03-02 10:45:47,089 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572344705] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:45:47,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748655111] [2022-03-02 10:45:47,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 10:45:47,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:45:47,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:45:47,090 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:45:47,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-02 10:45:47,279 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 10:45:47,279 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:45:47,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 254 conjunts are in the unsatisfiable core [2022-03-02 10:45:47,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:46:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 14004 proven. 16312 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:46:04,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:46:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 12665 proven. 17659 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 10:46:21,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748655111] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:46:21,207 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:46:21,208 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [247, 247, 255] total 497 [2022-03-02 10:46:21,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125255123] [2022-03-02 10:46:21,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:46:21,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 497 states [2022-03-02 10:46:21,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:46:21,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 497 interpolants. [2022-03-02 10:46:21,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50324, Invalid=196188, Unknown=0, NotChecked=0, Total=246512 [2022-03-02 10:46:21,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:46:21,223 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:46:21,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 497 states, 497 states have (on average 2.080482897384306) internal successors, (1034), 497 states have internal predecessors, (1034), 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) [2022-03-02 10:46:21,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:46:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:46:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:46:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:46:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:46:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-02 10:46:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-02 10:46:21,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:47:21,695 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2179 transitions and produced 2075 states. [2022-03-02 10:47:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:47:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:47:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:47:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:47:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:47:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-02 10:47:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-02 10:47:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-02 10:47:21,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-02 10:47:21,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:47:21,896 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:47:21,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:47:21,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1522815152, now seen corresponding path program 9 times [2022-03-02 10:47:21,897 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:47:21,897 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63358795] [2022-03-02 10:47:21,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:47:21,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:47:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:47:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 17241 proven. 18307 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:47:38,753 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:47:38,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63358795] [2022-03-02 10:47:38,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63358795] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:47:38,754 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144606750] [2022-03-02 10:47:38,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 10:47:38,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:47:38,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:47:38,755 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:47:38,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-02 10:47:41,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 143 check-sat command(s) [2022-03-02 10:47:41,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:47:41,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 274 conjunts are in the unsatisfiable core [2022-03-02 10:47:41,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:48:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 17504 proven. 18044 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:48:02,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:48:25,301 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 15969 proven. 19587 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 10:48:25,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144606750] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:48:25,301 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:48:25,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [267, 267, 275] total 558 [2022-03-02 10:48:25,302 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124048095] [2022-03-02 10:48:25,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:48:25,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 558 states [2022-03-02 10:48:25,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:48:25,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 558 interpolants. [2022-03-02 10:48:25,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65513, Invalid=245293, Unknown=0, NotChecked=0, Total=310806 [2022-03-02 10:48:25,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:48:25,325 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:48:25,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 558 states, 558 states have (on average 2.0627240143369177) internal successors, (1151), 558 states have internal predecessors, (1151), 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) [2022-03-02 10:48:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:48:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:48:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:48:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:48:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:48:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-02 10:48:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-02 10:48:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-02 10:48:25,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:49:42,716 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2441 transitions and produced 2322 states. [2022-03-02 10:49:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:49:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:49:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:49:42,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:49:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:49:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-02 10:49:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-02 10:49:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-02 10:49:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2022-03-02 10:49:42,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-02 10:49:42,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-02 10:49:42,918 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:49:42,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:49:42,918 INFO L85 PathProgramCache]: Analyzing trace with hash -974114286, now seen corresponding path program 10 times [2022-03-02 10:49:42,918 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:49:42,918 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495233028] [2022-03-02 10:49:42,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:49:42,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:49:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:50:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 21105 proven. 24555 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:50:03,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:50:03,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495233028] [2022-03-02 10:50:03,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495233028] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:50:03,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845259744] [2022-03-02 10:50:03,902 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 10:50:03,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:50:03,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:50:03,903 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:50:03,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-02 10:50:04,117 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 10:50:04,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:50:04,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 310 conjunts are in the unsatisfiable core [2022-03-02 10:50:04,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:50:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 21396 proven. 24264 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:50:29,536 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:50:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 19665 proven. 26003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 10:50:54,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845259744] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:50:54,821 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:50:54,821 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [303, 303, 311] total 609 [2022-03-02 10:50:54,822 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119506183] [2022-03-02 10:50:54,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:50:54,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 609 states [2022-03-02 10:50:54,823 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:50:54,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 609 interpolants. [2022-03-02 10:50:54,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76434, Invalid=293838, Unknown=0, NotChecked=0, Total=370272 [2022-03-02 10:50:54,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:50:54,845 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:50:54,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 609 states, 609 states have (on average 2.0656814449917897) internal successors, (1258), 609 states have internal predecessors, (1258), 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) [2022-03-02 10:50:54,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:50:54,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:50:54,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:50:54,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:50:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:50:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-02 10:50:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-02 10:50:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-02 10:50:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 691 states. [2022-03-02 10:50:54,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:52:28,543 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2627 transitions and produced 2501 states. [2022-03-02 10:52:28,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-02 10:52:28,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-02 10:52:28,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-02 10:52:28,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-02 10:52:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-02 10:52:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-02 10:52:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-02 10:52:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-02 10:52:28,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2022-03-02 10:52:28,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 760 states. [2022-03-02 10:52:28,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-02 10:52:28,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-02 10:52:28,776 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:52:28,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:52:28,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1820648640, now seen corresponding path program 11 times [2022-03-02 10:52:28,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:52:28,776 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666489361] [2022-03-02 10:52:28,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:52:28,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:52:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:52:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 52020 backedges. 25361 proven. 26651 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:52:52,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:52:52,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666489361] [2022-03-02 10:52:52,705 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666489361] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:52:52,705 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660732192] [2022-03-02 10:52:52,705 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 10:52:52,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:52:52,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:52:52,706 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:52:52,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-02 10:52:55,173 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 171 check-sat command(s) [2022-03-02 10:52:55,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:52:55,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 1676 conjuncts, 330 conjunts are in the unsatisfiable core [2022-03-02 10:52:55,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-02 10:52:58,379 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 10:52:58,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-02 10:52:58,426 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 [2022-03-02 10:52:58,426 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 [2022-03-02 10:52:58,426 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:52:58,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-02 10:52:58,580 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 671 with TraceHistMax 170,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 348 known predicates. [2022-03-02 10:52:58,581 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 10:52:58,581 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 10:52:58,581 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 10:52:58,589 INFO L732 BasicCegarLoop]: Path program histogram: [11] [2022-03-02 10:52:58,590 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 10:52:58,591 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 10:52:58,592 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 10:52:58 BasicIcfg [2022-03-02 10:52:58,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 10:52:58,592 INFO L158 Benchmark]: Toolchain (without parser) took 713653.24ms. Allocated memory was 227.5MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 185.3MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-02 10:52:58,593 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 227.5MB. Free memory is still 186.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 10:52:58,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.97ms. Allocated memory is still 227.5MB. Free memory was 185.2MB in the beginning and 183.6MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-02 10:52:58,593 INFO L158 Benchmark]: Boogie Preprocessor took 18.31ms. Allocated memory is still 227.5MB. Free memory was 183.6MB in the beginning and 182.7MB in the end (delta: 903.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:52:58,593 INFO L158 Benchmark]: RCFGBuilder took 228.33ms. Allocated memory is still 227.5MB. Free memory was 182.6MB in the beginning and 173.4MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 10:52:58,593 INFO L158 Benchmark]: TraceAbstraction took 713375.70ms. Allocated memory was 227.5MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 172.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-02 10:52:58,594 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 0.09ms. Allocated memory is still 227.5MB. Free memory is still 186.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.97ms. Allocated memory is still 227.5MB. Free memory was 185.2MB in the beginning and 183.6MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.31ms. Allocated memory is still 227.5MB. Free memory was 183.6MB in the beginning and 182.7MB in the end (delta: 903.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 228.33ms. Allocated memory is still 227.5MB. Free memory was 182.6MB in the beginning and 173.4MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 713375.70ms. Allocated memory was 227.5MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 172.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. 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 671 with TraceHistMax 170,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 348 known predicates. - 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 671 with TraceHistMax 170,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 348 known predicates. - 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 671 with TraceHistMax 170,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 348 known predicates. - 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 671 with TraceHistMax 170,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 348 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 713.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 372.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4455, 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: 0.3s SsaConstructionTime, 7.3s SatisfiabilityAnalysisTime, 300.3s InterpolantComputationTime, 7368 NumberOfCodeBlocks, 7368 NumberOfCodeBlocksAsserted, 408 NumberOfCheckSat, 11022 ConstructedInterpolants, 0 QuantifiedInterpolants, 77558 SizeOfPredicates, 60 NumberOfNonLiveVariables, 9220 ConjunctsInSsa, 1792 ConjunctsInUnsatCore, 30 InterpolantComputations, 0 PerfectInterpolantSequences, 247804/545790 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