/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-bad/ring.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:32:26,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:32:26,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:32:26,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:32:26,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:32:26,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:32:26,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:32:26,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:32:26,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:32:26,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:32:26,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:32:26,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:32:26,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:32:26,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:32:26,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:32:26,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:32:26,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:32:26,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:32:26,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:32:26,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:32:26,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:32:26,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:32:26,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:32:26,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:32:26,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 11:32:26,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 11:32:26,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 11:32:26,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 11:32:26,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 11:32:26,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 11:32:26,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 11:32:27,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 11:32:27,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 11:32:27,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 11:32:27,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 11:32:27,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 11:32:27,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 11:32:27,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 11:32:27,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:32:27,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:32:27,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:32:27,006 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 [2022-03-16 11:32:27,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:32:27,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:32:27,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:32:27,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:32:27,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:32:27,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:32:27,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:32:27,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:32:27,035 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:32:27,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:32:27,036 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:32:27,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:32:27,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:32:27,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:32:27,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:32:27,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:32:27,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:32:27,037 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:32:27,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:32:27,037 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:32:27,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:32:27,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:32:27,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:32:27,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:32:27,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:32:27,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:32:27,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:32:27,039 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:32:27,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:32:27,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:32:27,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:32:27,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:32:27,039 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:32:27,039 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:32:27,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:32:27,039 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:32:27,040 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:32:27,040 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:32:27,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:32:27,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:32:27,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:32:27,269 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:32:27,270 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:32:27,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl [2022-03-16 11:32:27,271 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl' [2022-03-16 11:32:27,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:32:27,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:32:27,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:32:27,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:32:27,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:32:27,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/1) ... [2022-03-16 11:32:27,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/1) ... [2022-03-16 11:32:27,315 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:32:27,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:32:27,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:32:27,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:32:27,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:32:27,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/1) ... [2022-03-16 11:32:27,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/1) ... [2022-03-16 11:32:27,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/1) ... [2022-03-16 11:32:27,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/1) ... [2022-03-16 11:32:27,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/1) ... [2022-03-16 11:32:27,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/1) ... [2022-03-16 11:32:27,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/1) ... [2022-03-16 11:32:27,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:32:27,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:32:27,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:32:27,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:32:27,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/1) ... [2022-03-16 11:32:27,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:32:27,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:32:27,353 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) [2022-03-16 11:32:27,387 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 [2022-03-16 11:32:27,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:32:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:32:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:32:27,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:32:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:32:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:32:27,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:32:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:32:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:32:27,405 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:32:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:32:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:32:27,406 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 11:32:27,444 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:32:27,446 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:32:27,539 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:32:27,561 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:32:27,561 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 11:32:27,579 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:32:27 BoogieIcfgContainer [2022-03-16 11:32:27,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:32:27,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:32:27,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:32:27,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:32:27,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:32:27" (1/2) ... [2022-03-16 11:32:27,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c25ab24 and model type ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:32:27, skipping insertion in model container [2022-03-16 11:32:27,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:32:27" (2/2) ... [2022-03-16 11:32:27,601 INFO L111 eAbstractionObserver]: Analyzing ICFG ring.wvr.bpl [2022-03-16 11:32:27,604 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:32:27,604 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:32:27,605 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:32:27,605 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:32:27,658 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 11:32:27,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:32:27,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:32:27,718 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) [2022-03-16 11:32:27,719 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 [2022-03-16 11:32:27,739 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:32:27,744 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 [2022-03-16 11:32:27,744 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 11:32:30,506 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 408233 transitions and produced 135331 states. [2022-03-16 11:32:30,508 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:32:30,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:32:30,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1654894987, now seen corresponding path program 1 times [2022-03-16 11:32:30,518 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:32:30,518 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640630220] [2022-03-16 11:32:30,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:32:30,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:32:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:32:30,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6802 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 6705 trivial. 0 not checked. [2022-03-16 11:32:30,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:32:30,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640630220] [2022-03-16 11:32:30,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640630220] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:32:30,819 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:32:30,819 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-16 11:32:30,820 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870159894] [2022-03-16 11:32:30,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:32:30,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 11:32:30,828 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:32:30,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 11:32:30,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 11:32:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:32:30,909 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:32:30,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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) [2022-03-16 11:32:30,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:32:31,110 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9651 transitions and produced 3611 states. [2022-03-16 11:32:31,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:32:31,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 11:32:31,127 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:32:31,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:32:31,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1707084956, now seen corresponding path program 2 times [2022-03-16 11:32:31,128 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:32:31,128 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886982622] [2022-03-16 11:32:31,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:32:31,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:32:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:32:31,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6047 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 5719 trivial. 0 not checked. [2022-03-16 11:32:31,717 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:32:31,718 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886982622] [2022-03-16 11:32:31,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886982622] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:32:31,719 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:32:31,719 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-16 11:32:31,719 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454071239] [2022-03-16 11:32:31,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:32:31,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-16 11:32:31,721 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:32:31,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-16 11:32:31,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-16 11:32:31,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:32:31,722 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:32:31,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-03-16 11:32:31,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:32:31,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:32:32,399 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73371 transitions and produced 24716 states. [2022-03-16 11:32:32,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:32:32,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:32,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 11:32:32,401 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:32:32,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:32:32,402 INFO L85 PathProgramCache]: Analyzing trace with hash -198773002, now seen corresponding path program 3 times [2022-03-16 11:32:32,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:32:32,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023845759] [2022-03-16 11:32:32,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:32:32,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:32:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:32:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5293 backedges. 448 proven. 2 refuted. 0 times theorem prover too weak. 4843 trivial. 0 not checked. [2022-03-16 11:32:32,707 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:32:32,707 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023845759] [2022-03-16 11:32:32,707 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023845759] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:32:32,707 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56430787] [2022-03-16 11:32:32,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:32:32,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:32:32,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:32:32,724 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) [2022-03-16 11:32:32,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 11:32:33,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-03-16 11:32:33,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:32:33,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-16 11:32:33,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:32:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5293 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 4845 trivial. 0 not checked. [2022-03-16 11:32:33,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-16 11:32:33,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56430787] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:32:33,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-16 11:32:33,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-03-16 11:32:33,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478771904] [2022-03-16 11:32:33,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:32:33,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-16 11:32:33,539 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:32:33,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-16 11:32:33,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-03-16 11:32:33,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:32:33,540 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:32:33,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-03-16 11:32:33,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:32:33,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:33,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:32:33,573 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1187 transitions and produced 726 states. [2022-03-16 11:32:33,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:32:33,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:33,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:33,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 11:32:33,794 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,SelfDestructingSolverStorable2 [2022-03-16 11:32:33,794 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:32:33,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:32:33,795 INFO L85 PathProgramCache]: Analyzing trace with hash -633261751, now seen corresponding path program 4 times [2022-03-16 11:32:33,795 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:32:33,795 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700227507] [2022-03-16 11:32:33,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:32:33,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:32:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:32:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 811 proven. 74 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-03-16 11:32:33,931 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:32:33,931 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700227507] [2022-03-16 11:32:33,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700227507] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:32:33,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740948706] [2022-03-16 11:32:33,932 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:32:33,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:32:33,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:32:33,933 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) [2022-03-16 11:32:34,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 11:32:34,129 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:32:34,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:32:34,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-16 11:32:34,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:32:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-03-16 11:32:34,566 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:32:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-03-16 11:32:35,021 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740948706] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:32:35,021 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:32:35,021 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 5 [2022-03-16 11:32:35,021 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293148344] [2022-03-16 11:32:35,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:32:35,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-16 11:32:35,022 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:32:35,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-16 11:32:35,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-03-16 11:32:35,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:32:35,022 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:32:35,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 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) [2022-03-16 11:32:35,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:32:35,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:35,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:35,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:32:35,061 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 815 transitions and produced 544 states. [2022-03-16 11:32:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:32:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:35,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 11:32:35,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:32:35,276 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:32:35,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:32:35,276 INFO L85 PathProgramCache]: Analyzing trace with hash 975561598, now seen corresponding path program 5 times [2022-03-16 11:32:35,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:32:35,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305549907] [2022-03-16 11:32:35,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:32:35,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:32:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:32:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 316 proven. 151 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-03-16 11:32:35,650 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:32:35,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305549907] [2022-03-16 11:32:35,650 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305549907] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:32:35,650 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981826517] [2022-03-16 11:32:35,651 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:32:35,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:32:35,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:32:35,668 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) [2022-03-16 11:32:35,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 11:32:35,857 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2022-03-16 11:32:35,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:32:35,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-16 11:32:35,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:32:36,188 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-16 11:32:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-03-16 11:32:36,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:32:36,271 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-16 11:32:36,272 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 12 treesize of output 11 [2022-03-16 11:32:36,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-03-16 11:32:36,540 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981826517] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:32:36,540 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:32:36,540 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 12 [2022-03-16 11:32:36,540 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73313987] [2022-03-16 11:32:36,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:32:36,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-16 11:32:36,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:32:36,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-16 11:32:36,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-03-16 11:32:36,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:32:36,541 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:32:36,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 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) [2022-03-16 11:32:36,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:32:36,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:36,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:36,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:36,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:32:36,704 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 989 transitions and produced 626 states. [2022-03-16 11:32:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:32:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-16 11:32:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-16 11:32:36,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-16 11:32:36,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:32:36,922 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:32:36,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:32:36,923 INFO L85 PathProgramCache]: Analyzing trace with hash 570042455, now seen corresponding path program 6 times [2022-03-16 11:32:36,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:32:36,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913540372] [2022-03-16 11:32:36,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:32:36,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:32:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:32:41,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 26 proven. 896 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-03-16 11:32:41,425 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:32:41,425 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913540372] [2022-03-16 11:32:41,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913540372] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:32:41,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620495004] [2022-03-16 11:32:41,426 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:32:41,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:32:41,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:32:41,428 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) [2022-03-16 11:32:41,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 11:32:41,584 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-03-16 11:32:41,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:32:41,593 WARN L261 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 341 conjunts are in the unsatisfiable core [2022-03-16 11:32:41,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:34:13,497 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-16 11:34:13,497 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-03-16 11:34:17,049 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-16 11:34:17,049 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-03-16 11:34:17,976 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-03-16 11:34:17,979 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 357 treesize of output 145 [2022-03-16 11:34:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 1074 proven. 474 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-16 11:34:18,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:36:16,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,837 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,885 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,887 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,899 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,902 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,904 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,906 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,916 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,920 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,935 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,938 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,946 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,947 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,949 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,962 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,965 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,973 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:36:16,978 INFO L244 Elim1Store]: Index analysis took 147 ms [2022-03-16 11:36:18,391 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:36:18,392 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 273 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 105 case distinctions, treesize of input 462 treesize of output 1478 Received shutdown request... [2022-03-16 11:46:57,145 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 [2022-03-16 11:46:57,146 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 [2022-03-16 11:46:57,149 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:46:57,175 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 11:46:57,177 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 11:46:57,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 11:46:57,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:46:57,392 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 42ms.. [2022-03-16 11:46:57,393 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 11:46:57,393 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 11:46:57,393 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 11:46:57,397 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-16 11:46:57,398 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:46:57,398 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:46:57,401 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:46:57 BasicIcfg [2022-03-16 11:46:57,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:46:57,401 INFO L158 Benchmark]: Toolchain (without parser) took 870104.67ms. Allocated memory was 182.5MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 146.7MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2022-03-16 11:46:57,403 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 182.5MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:46:57,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.51ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 145.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:46:57,405 INFO L158 Benchmark]: Boogie Preprocessor took 11.61ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 144.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:46:57,405 INFO L158 Benchmark]: RCFGBuilder took 250.29ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 133.4MB in the end (delta: 10.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-16 11:46:57,406 INFO L158 Benchmark]: TraceAbstraction took 869810.97ms. Allocated memory was 182.5MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 132.9MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. [2022-03-16 11:46:57,409 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 0.11ms. Allocated memory is still 182.5MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.51ms. Allocated memory is still 182.5MB. Free memory was 146.6MB in the beginning and 145.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.61ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 144.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 250.29ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 133.4MB in the end (delta: 10.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 869810.97ms. Allocated memory was 182.5MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 132.9MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 2.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 42ms.. - TimeoutResultAtElement [Line: 98]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 42ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 42ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 8 for 42ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 869.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, 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: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2641 NumberOfCodeBlocks, 2572 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 3145 ConstructedInterpolants, 0 QuantifiedInterpolants, 6891 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2215 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 33774/34187 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