/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 [2022-03-04 11:52:48,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 11:52:48,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 11:52:48,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 11:52:48,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 11:52:48,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 11:52:48,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 11:52:48,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 11:52:48,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 11:52:48,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 11:52:48,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 11:52:48,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 11:52:48,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 11:52:48,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 11:52:48,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 11:52:48,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 11:52:48,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 11:52:48,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 11:52:48,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 11:52:48,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 11:52:48,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 11:52:48,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 11:52:48,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 11:52:48,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 11:52:48,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 11:52:48,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 11:52:48,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 11:52:48,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 11:52:48,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 11:52:48,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 11:52:48,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 11:52:48,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 11:52:48,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 11:52:48,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 11:52:48,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 11:52:48,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 11:52:48,586 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 [2022-03-04 11:52:48,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 11:52:48,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 11:52:48,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 11:52:48,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 11:52:48,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 11:52:48,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 11:52:48,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 11:52:48,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 11:52:48,600 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 11:52:48,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 11:52:48,600 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 11:52:48,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 11:52:48,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 11:52:48,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 11:52:48,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 11:52:48,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 11:52:48,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 11:52:48,601 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 11:52:48,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 11:52:48,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 11:52:48,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 11:52:48,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 11:52:48,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 11:52:48,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 11:52:48,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 11:52:48,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 11:52:48,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 11:52:48,602 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 11:52:48,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 11:52:48,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 11:52:48,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 11:52:48,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 11:52:48,603 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 11:52:48,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 11:52:48,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 11:52:48,603 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 11:52:48,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 11:52:48,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 11:52:48,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 11:52:48,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 11:52:48,800 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 11:52:48,802 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 11:52:48,803 INFO L432 ainManager$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 [2022-03-04 11:52:48,803 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' [2022-03-04 11:52:48,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 11:52:48,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 11:52:48,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 11:52:48,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 11:52:48,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 11:52:48,852 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 04.03 11:52:48" (1/1) ... [2022-03-04 11:52:48,857 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 04.03 11:52:48" (1/1) ... [2022-03-04 11:52:48,862 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 11:52:48,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 11:52:48,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 11:52:48,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 11:52:48,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 11:52:48,869 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 04.03 11:52:48" (1/1) ... [2022-03-04 11:52:48,869 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 04.03 11:52:48" (1/1) ... [2022-03-04 11:52:48,871 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 04.03 11:52:48" (1/1) ... [2022-03-04 11:52:48,872 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 04.03 11:52:48" (1/1) ... [2022-03-04 11:52:48,876 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 04.03 11:52:48" (1/1) ... [2022-03-04 11:52:48,879 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 04.03 11:52:48" (1/1) ... [2022-03-04 11:52:48,880 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 04.03 11:52:48" (1/1) ... [2022-03-04 11:52:48,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 11:52:48,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 11:52:48,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 11:52:48,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 11:52:48,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:52:48" (1/1) ... [2022-03-04 11:52:48,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 11:52:48,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:52:48,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 11:52:48,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 11:52:48,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 11:52:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 11:52:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 11:52:48,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 11:52:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 11:52:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 11:52:48,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 11:52:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 11:52:48,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 11:52:48,927 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 11:52:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 11:52:48,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 11:52:48,928 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 11:52:48,966 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 11:52:48,967 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 11:52:49,055 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 11:52:49,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 11:52:49,065 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 11:52:49,066 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 11:52:49 BoogieIcfgContainer [2022-03-04 11:52:49,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 11:52:49,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 11:52:49,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 11:52:49,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 11:52:49,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 11:52:48" (1/2) ... [2022-03-04 11:52:49,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784858f8 and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 11:52:49, skipping insertion in model container [2022-03-04 11:52:49,075 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 04.03 11:52:49" (2/2) ... [2022-03-04 11:52:49,077 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2022-03-04 11:52:49,110 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 11:52:49,110 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 11:52:49,110 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 11:52:49,110 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 11:52:49,151 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 11:52:49,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 11:52:49,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:52:49,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 11:52:49,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 11:52:49,267 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 11:52:49,276 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 [2022-03-04 11:52:49,276 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 11:52:49,496 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 355 transitions and produced 322 states. [2022-03-04 11:52:49,498 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:52:49,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:52:49,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1580910288, now seen corresponding path program 1 times [2022-03-04 11:52:49,512 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:52:49,513 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682997144] [2022-03-04 11:52:49,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:52:49,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:52:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:52:50,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 477 proven. 576 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-04 11:52:50,368 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:52:50,368 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682997144] [2022-03-04 11:52:50,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682997144] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:52:50,370 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906337630] [2022-03-04 11:52:50,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:52:50,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:52:50,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:52:50,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:52:50,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 11:52:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:52:50,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-04 11:52:50,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:52:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 516 proven. 537 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-03-04 11:52:51,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:52:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 633 proven. 428 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 11:52:52,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906337630] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:52:52,574 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:52:52,574 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 42] total 92 [2022-03-04 11:52:52,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246650644] [2022-03-04 11:52:52,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:52:52,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-03-04 11:52:52,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:52:52,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-03-04 11:52:52,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2240, Invalid=6132, Unknown=0, NotChecked=0, Total=8372 [2022-03-04 11:52:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:52:52,604 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:52:52,606 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) [2022-03-04 11:52:52,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:52:55,825 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 634 transitions and produced 606 states. [2022-03-04 11:52:55,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:52:55,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 11:52:56,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-04 11:52:56,036 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:52:56,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:52:56,036 INFO L85 PathProgramCache]: Analyzing trace with hash -53638920, now seen corresponding path program 2 times [2022-03-04 11:52:56,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:52:56,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519720149] [2022-03-04 11:52:56,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:52:56,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:52:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:52:57,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1169 proven. 1736 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:52:57,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:52:57,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519720149] [2022-03-04 11:52:57,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519720149] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:52:57,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63815000] [2022-03-04 11:52:57,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 11:52:57,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:52:57,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:52:57,745 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:52:57,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 11:52:57,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 11:52:57,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:52:57,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-04 11:52:57,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:52:59,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1236 proven. 1669 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:52:59,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:53:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 1073 proven. 1840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 11:53:02,439 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63815000] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:53:02,439 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:53:02,439 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 76, 84] total 164 [2022-03-04 11:53:02,439 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45702370] [2022-03-04 11:53:02,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:53:02,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2022-03-04 11:53:02,440 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:53:02,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2022-03-04 11:53:02,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5285, Invalid=21447, Unknown=0, NotChecked=0, Total=26732 [2022-03-04 11:53:02,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:53:02,447 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:53:02,448 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) [2022-03-04 11:53:02,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:53:02,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:53:09,057 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 835 transitions and produced 797 states. [2022-03-04 11:53:09,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:53:09,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:53:09,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 11:53:09,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:53:09,259 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:53:09,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:53:09,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1290227456, now seen corresponding path program 3 times [2022-03-04 11:53:09,260 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:53:09,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400243803] [2022-03-04 11:53:09,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:53:09,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:53:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:53:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2289 proven. 2683 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:53:11,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:53:11,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400243803] [2022-03-04 11:53:11,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400243803] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:53:11,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566484382] [2022-03-04 11:53:11,655 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 11:53:11,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:53:11,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:53:11,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:53:11,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 11:53:11,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 59 check-sat command(s) [2022-03-04 11:53:11,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:53:11,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 106 conjunts are in the unsatisfiable core [2022-03-04 11:53:11,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:53:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2384 proven. 2588 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:53:15,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:53:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4980 backedges. 2025 proven. 2955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 11:53:19,435 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566484382] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:53:19,435 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:53:19,435 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 99, 107] total 222 [2022-03-04 11:53:19,435 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698685765] [2022-03-04 11:53:19,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:53:19,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2022-03-04 11:53:19,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:53:19,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2022-03-04 11:53:19,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10115, Invalid=38947, Unknown=0, NotChecked=0, Total=49062 [2022-03-04 11:53:19,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:53:19,444 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:53:19,445 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) [2022-03-04 11:53:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:53:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:53:19,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:53:30,114 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1097 transitions and produced 1044 states. [2022-03-04 11:53:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:53:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:53:30,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:53:30,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 11:53:30,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:53:30,315 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:53:30,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:53:30,316 INFO L85 PathProgramCache]: Analyzing trace with hash 9683554, now seen corresponding path program 4 times [2022-03-04 11:53:30,316 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:53:30,316 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850985709] [2022-03-04 11:53:30,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:53:30,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:53:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:53:34,531 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3801 proven. 5235 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:53:34,531 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:53:34,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850985709] [2022-03-04 11:53:34,532 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850985709] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:53:34,532 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387290292] [2022-03-04 11:53:34,532 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 11:53:34,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:53:34,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:53:34,534 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:53:34,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 11:53:34,647 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 11:53:34,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:53:34,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 142 conjunts are in the unsatisfiable core [2022-03-04 11:53:34,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:53:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3924 proven. 5112 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:53:39,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:53:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 9044 backedges. 3369 proven. 5675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 11:53:45,342 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387290292] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:53:45,342 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:53:45,342 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [135, 135, 143] total 273 [2022-03-04 11:53:45,342 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509964933] [2022-03-04 11:53:45,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:53:45,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 273 states [2022-03-04 11:53:45,343 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:53:45,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 273 interpolants. [2022-03-04 11:53:45,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14568, Invalid=59688, Unknown=0, NotChecked=0, Total=74256 [2022-03-04 11:53:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:53:45,350 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:53:45,351 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) [2022-03-04 11:53:45,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:53:45,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:53:45,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:53:45,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:54:02,761 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1283 transitions and produced 1223 states. [2022-03-04 11:54:02,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:54:02,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:54:02,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:54:02,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 11:54:02,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-04 11:54:02,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:54:02,963 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:54:02,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:54:02,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1792220048, now seen corresponding path program 5 times [2022-03-04 11:54:02,964 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:54:02,964 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641699647] [2022-03-04 11:54:02,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:54:02,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:54:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:54:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5705 proven. 6323 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:54:08,477 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:54:08,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641699647] [2022-03-04 11:54:08,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641699647] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:54:08,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576579706] [2022-03-04 11:54:08,477 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 11:54:08,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:54:08,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:54:08,479 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:54:08,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 11:54:08,896 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 87 check-sat command(s) [2022-03-04 11:54:08,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:54:08,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 162 conjunts are in the unsatisfiable core [2022-03-04 11:54:08,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:54:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5856 proven. 6172 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:54:16,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:54:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12036 backedges. 5105 proven. 6931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 11:54:24,946 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576579706] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:54:24,946 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:54:24,946 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [155, 155, 163] total 334 [2022-03-04 11:54:24,946 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360808707] [2022-03-04 11:54:24,946 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:54:24,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 334 states [2022-03-04 11:54:24,947 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:54:24,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 334 interpolants. [2022-03-04 11:54:24,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23093, Invalid=88129, Unknown=0, NotChecked=0, Total=111222 [2022-03-04 11:54:24,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:54:24,988 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:54:24,988 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) [2022-03-04 11:54:24,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:54:24,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:54:24,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:54:24,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 11:54:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:54:48,894 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1545 transitions and produced 1470 states. [2022-03-04 11:54:48,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:54:48,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:54:48,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:54:48,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 11:54:48,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 11:54:48,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 11:54:49,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:54:49,096 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:54:49,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:54:49,097 INFO L85 PathProgramCache]: Analyzing trace with hash 866721010, now seen corresponding path program 6 times [2022-03-04 11:54:49,097 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:54:49,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082577945] [2022-03-04 11:54:49,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:54:49,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:54:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:54:57,711 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 8001 proven. 10107 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:54:57,711 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:54:57,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082577945] [2022-03-04 11:54:57,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082577945] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:54:57,711 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374452280] [2022-03-04 11:54:57,711 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 11:54:57,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:54:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:54:57,712 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 11:54:57,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 11:54:58,587 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 101 check-sat command(s) [2022-03-04 11:54:58,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:54:58,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 1016 conjuncts, 198 conjunts are in the unsatisfiable core [2022-03-04 11:54:58,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:55:08,914 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 8180 proven. 9928 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:55:08,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:55:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 18116 backedges. 7233 proven. 10883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 11:55:19,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374452280] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:55:19,829 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:55:19,829 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 199] total 385 [2022-03-04 11:55:19,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326232204] [2022-03-04 11:55:19,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:55:19,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 385 states [2022-03-04 11:55:19,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:55:19,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 385 interpolants. [2022-03-04 11:55:19,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29702, Invalid=118138, Unknown=0, NotChecked=0, Total=147840 [2022-03-04 11:55:19,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:55:19,841 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:55:19,842 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) [2022-03-04 11:55:19,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:55:19,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:55:19,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:55:19,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 11:55:19,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 11:55:19,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:55:54,965 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1731 transitions and produced 1649 states. [2022-03-04 11:55:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:55:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:55:54,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:55:54,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 11:55:54,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 11:55:54,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-04 11:55:54,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 11:55:55,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:55:55,168 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:55:55,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:55:55,169 INFO L85 PathProgramCache]: Analyzing trace with hash -492722656, now seen corresponding path program 7 times [2022-03-04 11:55:55,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:55:55,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23978698] [2022-03-04 11:55:55,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:55:55,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:55:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:56:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 10689 proven. 11531 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:56:05,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:56:05,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23978698] [2022-03-04 11:56:05,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23978698] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:56:05,752 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166166905] [2022-03-04 11:56:05,752 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 11:56:05,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:56:05,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:56:05,753 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) [2022-03-04 11:56:05,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 11:56:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:56:05,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 218 conjunts are in the unsatisfiable core [2022-03-04 11:56:05,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:56:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 10896 proven. 11324 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:56:19,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:56:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 22228 backedges. 9753 proven. 12475 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 11:56:34,131 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166166905] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:56:34,131 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:56:34,131 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [211, 211, 219] total 446 [2022-03-04 11:56:34,131 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818731678] [2022-03-04 11:56:34,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:56:34,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 446 states [2022-03-04 11:56:34,132 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:56:34,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 446 interpolants. [2022-03-04 11:56:34,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41559, Invalid=156911, Unknown=0, NotChecked=0, Total=198470 [2022-03-04 11:56:34,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:56:34,147 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:56:34,147 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) [2022-03-04 11:56:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:56:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:56:34,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:56:34,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 11:56:34,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 11:56:34,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-04 11:56:34,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:57:20,431 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1993 transitions and produced 1896 states. [2022-03-04 11:57:20,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:57:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:57:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:57:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 11:57:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 11:57:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-04 11:57:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-04 11:57:20,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-04 11:57:20,632 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 [2022-03-04 11:57:20,633 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:57:20,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:57:20,633 INFO L85 PathProgramCache]: Analyzing trace with hash -894265470, now seen corresponding path program 8 times [2022-03-04 11:57:20,633 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:57:20,633 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030960632] [2022-03-04 11:57:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:57:20,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:57:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:57:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 13769 proven. 16547 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:57:34,943 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:57:34,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030960632] [2022-03-04 11:57:34,943 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030960632] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:57:34,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094919942] [2022-03-04 11:57:34,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 11:57:34,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:57:34,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:57:34,945 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) [2022-03-04 11:57:34,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-04 11:57:35,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 11:57:35,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:57:35,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 254 conjunts are in the unsatisfiable core [2022-03-04 11:57:35,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:57:52,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 14004 proven. 16312 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:57:52,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 11:58:09,826 INFO L134 CoverageAnalysis]: Checked inductivity of 30324 backedges. 12665 proven. 17659 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 11:58:09,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094919942] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 11:58:09,826 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 11:58:09,827 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [247, 247, 255] total 497 [2022-03-04 11:58:09,827 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528149481] [2022-03-04 11:58:09,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 11:58:09,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 497 states [2022-03-04 11:58:09,828 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 11:58:09,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 497 interpolants. [2022-03-04 11:58:09,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50324, Invalid=196188, Unknown=0, NotChecked=0, Total=246512 [2022-03-04 11:58:09,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:58:09,844 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 11:58:09,845 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) [2022-03-04 11:58:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:58:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:58:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:58:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 11:58:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 11:58:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-04 11:58:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-04 11:58:09,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 11:59:10,569 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2179 transitions and produced 2075 states. [2022-03-04 11:59:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 11:59:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 11:59:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 11:59:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 11:59:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 11:59:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-04 11:59:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-04 11:59:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-04 11:59:10,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-04 11:59:10,771 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 [2022-03-04 11:59:10,771 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 11:59:10,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 11:59:10,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1522815152, now seen corresponding path program 9 times [2022-03-04 11:59:10,771 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 11:59:10,771 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467077730] [2022-03-04 11:59:10,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 11:59:10,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 11:59:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 11:59:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 17241 proven. 18307 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:59:27,562 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 11:59:27,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467077730] [2022-03-04 11:59:27,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467077730] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 11:59:27,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047952970] [2022-03-04 11:59:27,562 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 11:59:27,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 11:59:27,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 11:59:27,563 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) [2022-03-04 11:59:27,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-04 11:59:30,773 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 143 check-sat command(s) [2022-03-04 11:59:30,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 11:59:30,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 274 conjunts are in the unsatisfiable core [2022-03-04 11:59:30,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 11:59:51,855 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 17504 proven. 18044 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 11:59:51,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 12:00:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 35556 backedges. 15969 proven. 19587 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 12:00:15,430 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047952970] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 12:00:15,430 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 12:00:15,430 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [267, 267, 275] total 558 [2022-03-04 12:00:15,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514678116] [2022-03-04 12:00:15,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 12:00:15,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 558 states [2022-03-04 12:00:15,432 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 12:00:15,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 558 interpolants. [2022-03-04 12:00:15,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65513, Invalid=245293, Unknown=0, NotChecked=0, Total=310806 [2022-03-04 12:00:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:00:15,454 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 12:00:15,455 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) [2022-03-04 12:00:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:00:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:00:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:00:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:00:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:00:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:00:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:00:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-04 12:00:15,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:01:34,246 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2441 transitions and produced 2322 states. [2022-03-04 12:01:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:01:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:01:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:01:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:01:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:01:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:01:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:01:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-04 12:01:34,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2022-03-04 12:01:34,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-04 12:01:34,455 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 [2022-03-04 12:01:34,456 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 12:01:34,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 12:01:34,456 INFO L85 PathProgramCache]: Analyzing trace with hash -974114286, now seen corresponding path program 10 times [2022-03-04 12:01:34,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 12:01:34,456 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239563107] [2022-03-04 12:01:34,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 12:01:34,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 12:01:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 12:01:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 21105 proven. 24555 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:01:56,023 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 12:01:56,023 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239563107] [2022-03-04 12:01:56,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239563107] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 12:01:56,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385788255] [2022-03-04 12:01:56,024 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 12:01:56,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 12:01:56,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 12:01:56,025 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) [2022-03-04 12:01:56,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-04 12:01:56,255 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 12:01:56,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 12:01:56,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 310 conjunts are in the unsatisfiable core [2022-03-04 12:01:56,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 12:02:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 21396 proven. 24264 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-04 12:02:22,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 12:02:48,037 INFO L134 CoverageAnalysis]: Checked inductivity of 45668 backedges. 19665 proven. 26003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 12:02:48,037 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385788255] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 12:02:48,038 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 12:02:48,038 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [303, 303, 311] total 609 [2022-03-04 12:02:48,038 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343050794] [2022-03-04 12:02:48,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 12:02:48,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 609 states [2022-03-04 12:02:48,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 12:02:48,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 609 interpolants. [2022-03-04 12:02:48,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76434, Invalid=293838, Unknown=0, NotChecked=0, Total=370272 [2022-03-04 12:02:48,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:02:48,069 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 12:02:48,070 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) [2022-03-04 12:02:48,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:02:48,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:02:48,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:02:48,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:02:48,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:02:48,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:02:48,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:02:48,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 620 states. [2022-03-04 12:02:48,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 691 states. [2022-03-04 12:02:48,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 12:04:23,541 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2627 transitions and produced 2501 states. [2022-03-04 12:04:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-03-04 12:04:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2022-03-04 12:04:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2022-03-04 12:04:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2022-03-04 12:04:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2022-03-04 12:04:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2022-03-04 12:04:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 551 states. [2022-03-04 12:04:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 620 states. [2022-03-04 12:04:23,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2022-03-04 12:04:23,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 760 states. [2022-03-04 12:04:23,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-04 12:04:23,767 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 [2022-03-04 12:04:23,768 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 12:04:23,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 12:04:23,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1820648640, now seen corresponding path program 11 times [2022-03-04 12:04:23,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 12:04:23,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679059311] [2022-03-04 12:04:23,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 12:04:23,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 12:04:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-04 12:04:30,966 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 12:04:30,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-04 12:04:30,967 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 671 with TraceHistMax 170,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 145 known predicates. [2022-03-04 12:04:30,968 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 12:04:30,968 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 12:04:30,968 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 12:04:30,976 INFO L732 BasicCegarLoop]: Path program histogram: [11] [2022-03-04 12:04:30,978 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 12:04:30,978 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 12:04:30,979 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 12:04:30 BasicIcfg [2022-03-04 12:04:30,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 12:04:30,980 INFO L158 Benchmark]: Toolchain (without parser) took 702144.96ms. Allocated memory was 185.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 142.7MB in the beginning and 727.3MB in the end (delta: -584.5MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-03-04 12:04:30,980 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 185.6MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 12:04:30,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.09ms. Allocated memory is still 185.6MB. Free memory was 142.7MB in the beginning and 141.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 12:04:30,980 INFO L158 Benchmark]: Boogie Preprocessor took 19.75ms. Allocated memory is still 185.6MB. Free memory was 141.1MB in the beginning and 140.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 12:04:30,980 INFO L158 Benchmark]: RCFGBuilder took 182.06ms. Allocated memory is still 185.6MB. Free memory was 140.1MB in the beginning and 130.4MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 12:04:30,981 INFO L158 Benchmark]: TraceAbstraction took 701907.94ms. Allocated memory was 185.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 129.8MB in the beginning and 727.3MB in the end (delta: -597.4MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-03-04 12:04:30,981 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 185.6MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.09ms. Allocated memory is still 185.6MB. Free memory was 142.7MB in the beginning and 141.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.75ms. Allocated memory is still 185.6MB. Free memory was 141.1MB in the beginning and 140.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 182.06ms. Allocated memory is still 185.6MB. Free memory was 140.1MB in the beginning and 130.4MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 701907.94ms. Allocated memory was 185.6MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 129.8MB in the beginning and 727.3MB in the end (delta: -597.4MB). Peak memory consumption was 1.5GB. 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 InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 145 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 InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 145 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 InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 145 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 InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 145 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances [2022-03-04 12:04:30,985 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 12:04:30,985 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 CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 701.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 378.4s, 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, 305.7s 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