/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 05:52:53,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 05:52:53,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 05:52:53,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 05:52:53,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 05:52:53,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 05:52:53,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 05:52:53,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 05:52:53,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 05:52:53,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 05:52:53,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 05:52:53,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 05:52:53,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 05:52:53,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 05:52:53,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 05:52:53,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 05:52:53,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 05:52:53,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 05:52:53,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 05:52:53,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 05:52:53,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 05:52:53,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 05:52:53,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 05:52:53,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 05:52:53,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 05:52:53,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 05:52:53,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 05:52:53,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 05:52:53,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 05:52:53,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-04 05:52:53,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 05:52:53,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 05:52:53,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 05:52:53,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 05:52:53,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 05:52:53,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 05:52:53,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 05:52:53,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 05:52:53,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 05:52:53,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 05:52:53,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 05:52:53,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 05:52:53,393 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 05:52:53,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 05:52:53,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 05:52:53,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 05:52:53,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 05:52:53,394 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 05:52:53,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 05:52:53,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 05:52:53,394 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 05:52:53,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 05:52:53,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 05:52:53,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 05:52:53,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 05:52:53,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 05:52:53,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 05:52:53,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:52:53,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 05:52:53,396 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 05:52:53,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 05:52:53,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 05:52:53,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 05:52:53,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 05:52:53,396 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 05:52:53,397 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 05:52:53,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 05:52:53,397 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 05:52:53,397 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 05:52:53,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 05:52:53,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 05:52:53,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 05:52:53,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 05:52:53,639 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 05:52:53,639 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 05:52:53,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl [2022-03-04 05:52:53,640 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons-eq.wvr.bpl' [2022-03-04 05:52:53,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 05:52:53,658 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 05:52:53,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 05:52:53,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 05:52:53,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 05:52:53,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/1) ... [2022-03-04 05:52:53,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/1) ... [2022-03-04 05:52:53,675 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 05:52:53,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 05:52:53,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 05:52:53,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 05:52:53,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 05:52:53,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/1) ... [2022-03-04 05:52:53,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/1) ... [2022-03-04 05:52:53,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/1) ... [2022-03-04 05:52:53,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/1) ... [2022-03-04 05:52:53,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/1) ... [2022-03-04 05:52:53,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/1) ... [2022-03-04 05:52:53,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/1) ... [2022-03-04 05:52:53,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 05:52:53,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 05:52:53,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 05:52:53,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 05:52:53,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/1) ... [2022-03-04 05:52:53,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:52:53,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:52:53,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 05:52:53,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 05:52:53,761 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 05:52:53,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 05:52:53,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 05:52:53,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 05:52:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 05:52:53,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 05:52:53,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 05:52:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 05:52:53,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 05:52:53,762 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 05:52:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 05:52:53,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 05:52:53,764 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 05:52:53,802 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 05:52:53,805 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 05:52:53,914 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 05:52:53,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 05:52:53,925 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 05:52:53,926 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:52:53 BoogieIcfgContainer [2022-03-04 05:52:53,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 05:52:53,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 05:52:53,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 05:52:53,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 05:52:53,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:52:53" (1/2) ... [2022-03-04 05:52:53,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a9a086 and model type prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:52:53, skipping insertion in model container [2022-03-04 05:52:53,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:52:53" (2/2) ... [2022-03-04 05:52:53,931 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons-eq.wvr.bpl [2022-03-04 05:52:53,934 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 05:52:53,934 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 05:52:53,934 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 05:52:53,934 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 05:52:53,983 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 05:52:54,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 05:52:54,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:52:54,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 05:52:54,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 05:52:54,043 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 05:52:54,048 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 05:52:54,048 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 05:52:54,160 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1002 transitions and produced 648 states. [2022-03-04 05:52:54,162 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:52:54,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:52:54,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1377187797, now seen corresponding path program 1 times [2022-03-04 05:52:54,171 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:52:54,171 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958160209] [2022-03-04 05:52:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:52:54,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:52:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:52:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2022-03-04 05:52:54,354 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:52:54,354 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958160209] [2022-03-04 05:52:54,354 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958160209] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 05:52:54,354 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 05:52:54,355 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 05:52:54,355 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300237019] [2022-03-04 05:52:54,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 05:52:54,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 05:52:54,359 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:52:54,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 05:52:54,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 05:52:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:52:54,374 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:52:54,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:52:54,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:52:54,463 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 764 transitions and produced 502 states. [2022-03-04 05:52:54,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:52:54,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 05:52:54,464 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:52:54,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:52:54,464 INFO L85 PathProgramCache]: Analyzing trace with hash 246046183, now seen corresponding path program 2 times [2022-03-04 05:52:54,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:52:54,465 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284512997] [2022-03-04 05:52:54,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:52:54,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:52:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:52:54,796 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 0 proven. 263 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-04 05:52:54,796 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:52:54,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284512997] [2022-03-04 05:52:54,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284512997] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:52:54,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167278846] [2022-03-04 05:52:54,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:52:54,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:52:54,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:52:54,799 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:52:54,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 05:52:54,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:52:54,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:52:54,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 21 conjunts are in the unsatisfiable core [2022-03-04 05:52:54,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:52:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 432 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-04 05:52:55,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:52:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 479 backedges. 432 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-03-04 05:52:55,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167278846] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:52:55,665 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:52:55,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 38 [2022-03-04 05:52:55,666 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113096626] [2022-03-04 05:52:55,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:52:55,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-03-04 05:52:55,667 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:52:55,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-03-04 05:52:55,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=1150, Unknown=0, NotChecked=0, Total=1482 [2022-03-04 05:52:55,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:52:55,670 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:52:55,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.538461538461538) internal successors, (177), 38 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:52:55,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:52:55,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:52:57,327 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1053 transitions and produced 694 states. [2022-03-04 05:52:57,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:52:57,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-04 05:52:57,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 05:52:57,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-04 05:52:57,548 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:52:57,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:52:57,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1724145486, now seen corresponding path program 3 times [2022-03-04 05:52:57,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:52:57,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659965426] [2022-03-04 05:52:57,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:52:57,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:52:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:52:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 0 proven. 502 refuted. 0 times theorem prover too weak. 803 trivial. 0 not checked. [2022-03-04 05:52:57,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:52:57,808 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659965426] [2022-03-04 05:52:57,808 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659965426] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:52:57,808 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812921832] [2022-03-04 05:52:57,808 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:52:57,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:52:57,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:52:57,809 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:52:57,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 05:52:57,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2022-03-04 05:52:57,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:52:57,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-04 05:52:57,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:52:58,456 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:52:58,457 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 28 treesize of output 100 [2022-03-04 05:52:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2022-03-04 05:52:58,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:52:58,848 INFO L353 Elim1Store]: treesize reduction 5, result has 72.2 percent of original size [2022-03-04 05:52:58,850 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2022-03-04 05:52:59,252 INFO L353 Elim1Store]: treesize reduction 25, result has 93.1 percent of original size [2022-03-04 05:52:59,253 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 23 treesize of output 371 [2022-03-04 05:53:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 18 proven. 450 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2022-03-04 05:53:16,488 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812921832] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:53:16,488 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:53:16,488 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 27 [2022-03-04 05:53:16,488 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607171551] [2022-03-04 05:53:16,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:53:16,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-04 05:53:16,489 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:53:16,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-04 05:53:16,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2022-03-04 05:53:16,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:16,490 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:53:16,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7142857142857144) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:53:16,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:16,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-03-04 05:53:16,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:17,291 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1041 transitions and produced 721 states. [2022-03-04 05:53:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:17,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-04 05:53:17,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:53:17,309 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 05:53:17,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:17,492 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:53:17,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:17,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1853733775, now seen corresponding path program 4 times [2022-03-04 05:53:17,493 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:17,493 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794776058] [2022-03-04 05:53:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:17,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 589 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2022-03-04 05:53:17,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:17,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794776058] [2022-03-04 05:53:17,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794776058] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:53:17,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292097116] [2022-03-04 05:53:17,750 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:53:17,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:17,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:17,757 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:53:17,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 05:53:17,828 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:53:17,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:53:17,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 40 conjunts are in the unsatisfiable core [2022-03-04 05:53:17,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:53:18,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 1042 proven. 197 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-03-04 05:53:18,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:53:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 1042 proven. 197 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-03-04 05:53:18,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292097116] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:53:18,803 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:53:18,803 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 47 [2022-03-04 05:53:18,804 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489132119] [2022-03-04 05:53:18,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:53:18,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-04 05:53:18,804 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:53:18,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-04 05:53:18,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=1781, Unknown=0, NotChecked=0, Total=2256 [2022-03-04 05:53:18,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:18,806 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:53:18,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 4.979166666666667) internal successors, (239), 47 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:53:18,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:18,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-03-04 05:53:18,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:53:18,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:21,572 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1415 transitions and produced 903 states. [2022-03-04 05:53:21,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:21,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-04 05:53:21,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:53:21,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-03-04 05:53:21,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 05:53:21,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:21,773 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:53:21,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:21,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1806342716, now seen corresponding path program 5 times [2022-03-04 05:53:21,774 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:21,774 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318328312] [2022-03-04 05:53:21,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:21,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:22,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2511 backedges. 0 proven. 924 refuted. 0 times theorem prover too weak. 1587 trivial. 0 not checked. [2022-03-04 05:53:22,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:22,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318328312] [2022-03-04 05:53:22,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318328312] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:53:22,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312976364] [2022-03-04 05:53:22,104 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:53:22,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:22,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:22,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:53:22,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 05:53:22,243 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2022-03-04 05:53:22,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:53:22,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 56 conjunts are in the unsatisfiable core [2022-03-04 05:53:22,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:53:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2511 backedges. 1898 proven. 501 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-04 05:53:23,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:53:23,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2511 backedges. 1898 proven. 501 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-03-04 05:53:23,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312976364] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:53:23,479 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:53:23,480 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 30, 30] total 57 [2022-03-04 05:53:23,480 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651779392] [2022-03-04 05:53:23,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:53:23,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-03-04 05:53:23,480 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:53:23,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-03-04 05:53:23,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=747, Invalid=2559, Unknown=0, NotChecked=0, Total=3306 [2022-03-04 05:53:23,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:23,482 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:53:23,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 5.086206896551724) internal successors, (295), 57 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:53:23,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:23,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-03-04 05:53:23,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:53:23,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2022-03-04 05:53:23,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:27,376 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1716 transitions and produced 1084 states. [2022-03-04 05:53:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-04 05:53:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:53:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-03-04 05:53:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2022-03-04 05:53:27,394 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-04 05:53:27,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:27,577 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:53:27,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:27,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1014833529, now seen corresponding path program 6 times [2022-03-04 05:53:27,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:27,578 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212183185] [2022-03-04 05:53:27,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:27,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4084 backedges. 0 proven. 1323 refuted. 0 times theorem prover too weak. 2761 trivial. 0 not checked. [2022-03-04 05:53:27,879 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:27,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212183185] [2022-03-04 05:53:27,879 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212183185] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:53:27,879 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930247822] [2022-03-04 05:53:27,879 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:53:27,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:27,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:27,888 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:53:27,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 05:53:28,206 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 39 check-sat command(s) [2022-03-04 05:53:28,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:53:28,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-04 05:53:28,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:53:29,138 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:53:29,138 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 40 treesize of output 253 [2022-03-04 05:53:30,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4084 backedges. 0 proven. 1263 refuted. 0 times theorem prover too weak. 2821 trivial. 0 not checked. [2022-03-04 05:53:30,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:53:30,513 INFO L353 Elim1Store]: treesize reduction 5, result has 79.2 percent of original size [2022-03-04 05:53:30,514 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2022-03-04 05:53:32,179 INFO L353 Elim1Store]: treesize reduction 40, result has 95.8 percent of original size [2022-03-04 05:53:32,179 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 30 new quantified variables, introduced 120 case distinctions, treesize of input 35 treesize of output 980 Received shutdown request... [2022-03-04 06:07:15,785 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 06:07:15,786 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:07:15,786 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:07:15,786 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:07:15,787 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 06:07:15,810 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 06:07:15,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:07:15,989 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 6ms.. [2022-03-04 06:07:16,000 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 06:07:16,000 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 06:07:16,000 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 06:07:16,004 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 06:07:16,005 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:07:16,006 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:07:16,014 INFO L202 PluginConnector]: Adding new model prod-cons-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:07:16 BasicIcfg [2022-03-04 06:07:16,014 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:07:16,015 INFO L158 Benchmark]: Toolchain (without parser) took 862356.72ms. Allocated memory was 240.1MB in the beginning and 1.0GB in the end (delta: 766.5MB). Free memory was 201.1MB in the beginning and 888.5MB in the end (delta: -687.4MB). Peak memory consumption was 632.8MB. Max. memory is 8.0GB. [2022-03-04 06:07:16,015 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 240.1MB. Free memory is still 202.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:07:16,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.09ms. Allocated memory is still 240.1MB. Free memory was 201.0MB in the beginning and 199.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:07:16,019 INFO L158 Benchmark]: Boogie Preprocessor took 22.16ms. Allocated memory is still 240.1MB. Free memory was 199.5MB in the beginning and 198.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:07:16,019 INFO L158 Benchmark]: RCFGBuilder took 225.79ms. Allocated memory is still 240.1MB. Free memory was 198.4MB in the beginning and 188.7MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:07:16,019 INFO L158 Benchmark]: TraceAbstraction took 862087.15ms. Allocated memory was 240.1MB in the beginning and 1.0GB in the end (delta: 766.5MB). Free memory was 188.1MB in the beginning and 888.5MB in the end (delta: -700.3MB). Peak memory consumption was 620.3MB. Max. memory is 8.0GB. [2022-03-04 06:07:16,020 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 0.10ms. Allocated memory is still 240.1MB. Free memory is still 202.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.09ms. Allocated memory is still 240.1MB. Free memory was 201.0MB in the beginning and 199.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.16ms. Allocated memory is still 240.1MB. Free memory was 199.5MB in the beginning and 198.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 225.79ms. Allocated memory is still 240.1MB. Free memory was 198.4MB in the beginning and 188.7MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 862087.15ms. Allocated memory was 240.1MB in the beginning and 1.0GB in the end (delta: 766.5MB). Free memory was 188.1MB in the beginning and 888.5MB in the end (delta: -700.3MB). Peak memory consumption was 620.3MB. 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: 70]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 266 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 6ms.. - TimeoutResultAtElement [Line: 63]: 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 266 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 6ms.. - TimeoutResultAtElement [Line: 64]: 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 266 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 6ms.. - TimeoutResultAtElement [Line: 63]: 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 266 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 6ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 47 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 862.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 9.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 323, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 22.7s InterpolantComputationTime, 1373 NumberOfCodeBlocks, 1365 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 1990 ConstructedInterpolants, 16 QuantifiedInterpolants, 15052 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1480 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 13009/17603 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