/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 11:32:47,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 11:32:47,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 11:32:47,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 11:32:47,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 11:32:47,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 11:32:47,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 11:32:47,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 11:32:47,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 11:32:47,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 11:32:47,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 11:32:47,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 11:32:47,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 11:32:47,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 11:32:47,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 11:32:47,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 11:32:47,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 11:32:47,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 11:32:47,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 11:32:47,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 11:32:47,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 11:32:47,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 11:32:47,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 11:32:47,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 11:32:47,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 11:32:47,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 11:32:47,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 11:32:47,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 11:32:47,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 11:32:47,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 11:32:47,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 11:32:47,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 11:32:47,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 11:32:47,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 11:32:47,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 11:32:47,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 11:32:47,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 11:32:47,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 11:32:47,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 11:32:47,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 11:32:47,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 11:32:47,577 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-wrwc.epf [2022-02-19 11:32:47,603 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 11:32:47,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 11:32:47,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 11:32:47,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 11:32:47,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 11:32:47,605 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 11:32:47,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 11:32:47,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 11:32:47,606 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 11:32:47,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 11:32:47,606 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 11:32:47,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 11:32:47,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 11:32:47,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 11:32:47,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 11:32:47,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 11:32:47,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 11:32:47,607 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 11:32:47,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 11:32:47,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 11:32:47,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 11:32:47,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 11:32:47,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 11:32:47,608 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 11:32:47,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 11:32:47,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 11:32:47,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 11:32:47,608 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 11:32:47,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 11:32:47,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 11:32:47,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 11:32:47,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 11:32:47,609 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 11:32:47,609 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 11:32:47,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 11:32:47,609 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 11:32:47,609 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 11:32:47,609 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 11:32:47,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 11:32:47,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 11:32:47,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 11:32:47,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 11:32:47,833 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 11:32:47,834 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 11:32:47,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2022-02-19 11:32:47,835 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2022-02-19 11:32:47,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 11:32:47,856 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 11:32:47,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 11:32:47,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 11:32:47,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 11:32:47,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/1) ... [2022-02-19 11:32:47,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/1) ... [2022-02-19 11:32:47,886 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 11:32:47,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 11:32:47,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 11:32:47,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 11:32:47,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 11:32:47,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/1) ... [2022-02-19 11:32:47,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/1) ... [2022-02-19 11:32:47,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/1) ... [2022-02-19 11:32:47,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/1) ... [2022-02-19 11:32:47,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/1) ... [2022-02-19 11:32:47,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/1) ... [2022-02-19 11:32:47,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/1) ... [2022-02-19 11:32:47,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 11:32:47,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 11:32:47,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 11:32:47,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 11:32:47,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/1) ... [2022-02-19 11:32:47,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 11:32:47,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:32:47,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 11:32:47,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 11:32:47,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 11:32:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 11:32:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 11:32:47,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 11:32:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 11:32:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 11:32:47,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 11:32:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 11:32:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 11:32:47,990 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 11:32:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 11:32:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 11:32:47,994 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 11:32:48,035 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 11:32:48,036 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 11:32:48,155 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 11:32:48,165 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 11:32:48,165 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 11:32:48,166 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:32:48 BoogieIcfgContainer [2022-02-19 11:32:48,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 11:32:48,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 11:32:48,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 11:32:48,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 11:32:48,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 11:32:47" (1/2) ... [2022-02-19 11:32:48,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8a080c and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 11:32:48, skipping insertion in model container [2022-02-19 11:32:48,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 11:32:48" (2/2) ... [2022-02-19 11:32:48,171 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2022-02-19 11:32:48,174 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 11:32:48,174 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 11:32:48,175 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 11:32:48,175 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 11:32:48,198 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 11:32:48,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 11:32:48,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:32:48,226 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 11:32:48,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 11:32:48,246 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 11:32:48,250 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=false [2022-02-19 11:32:48,251 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 11:32:48,724 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1633 transitions and produced 651 states. [2022-02-19 11:32:48,726 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:32:48,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:32:48,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1438103868, now seen corresponding path program 1 times [2022-02-19 11:32:48,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:32:48,739 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808998931] [2022-02-19 11:32:48,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:32:48,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:32:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:32:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 65 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:32:49,254 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:32:49,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808998931] [2022-02-19 11:32:49,255 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808998931] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:32:49,255 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966559799] [2022-02-19 11:32:49,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:32:49,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:32:49,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:32:49,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:32:49,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 11:32:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:32:49,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-19 11:32:49,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:32:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-02-19 11:32:49,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:32:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-02-19 11:32:49,709 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966559799] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:32:49,709 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:32:49,709 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 8, 8] total 28 [2022-02-19 11:32:49,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585854757] [2022-02-19 11:32:49,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:32:49,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-02-19 11:32:49,716 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:32:49,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-02-19 11:32:49,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=621, Unknown=0, NotChecked=0, Total=756 [2022-02-19 11:32:49,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:32:49,749 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:32:49,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.7857142857142856) internal successors, (78), 28 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 11:32:49,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:32:50,222 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1644 transitions and produced 662 states. [2022-02-19 11:32:50,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 11:32:50,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-19 11:32:50,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-19 11:32:50,439 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:32:50,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:32:50,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1116988514, now seen corresponding path program 2 times [2022-02-19 11:32:50,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:32:50,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768665504] [2022-02-19 11:32:50,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:32:50,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:32:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:32:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 65 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:32:50,701 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:32:50,701 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768665504] [2022-02-19 11:32:50,701 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768665504] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:32:50,702 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699906432] [2022-02-19 11:32:50,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 11:32:50,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:32:50,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:32:50,703 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:32:50,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 11:32:50,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 11:32:50,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:32:50,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2022-02-19 11:32:50,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:32:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-02-19 11:32:50,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:32:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-02-19 11:32:51,174 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699906432] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:32:51,174 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:32:51,174 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 10] total 32 [2022-02-19 11:32:51,174 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980088036] [2022-02-19 11:32:51,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:32:51,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-19 11:32:51,176 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:32:51,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-19 11:32:51,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2022-02-19 11:32:51,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:32:51,177 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:32:51,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.6875) internal successors, (86), 32 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 11:32:51,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 11:32:51,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:32:51,701 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1655 transitions and produced 673 states. [2022-02-19 11:32:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 11:32:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 11:32:51,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 11:32:51,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:32:51,918 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:32:51,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:32:51,918 INFO L85 PathProgramCache]: Analyzing trace with hash -160525696, now seen corresponding path program 3 times [2022-02-19 11:32:51,918 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:32:51,919 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607868565] [2022-02-19 11:32:51,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:32:51,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:32:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:32:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 65 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:32:52,118 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:32:52,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607868565] [2022-02-19 11:32:52,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607868565] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:32:52,119 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454090547] [2022-02-19 11:32:52,119 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 11:32:52,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:32:52,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:32:52,125 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:32:52,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 11:32:52,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-19 11:32:52,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:32:52,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-19 11:32:52,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:32:52,423 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 53 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-19 11:32:52,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:32:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 63 proven. 16 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-02-19 11:32:52,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454090547] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:32:52,660 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:32:52,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 13, 13] total 40 [2022-02-19 11:32:52,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395792171] [2022-02-19 11:32:52,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:32:52,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-02-19 11:32:52,662 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:32:52,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-02-19 11:32:52,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=1279, Unknown=0, NotChecked=0, Total=1560 [2022-02-19 11:32:52,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:32:52,663 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:32:52,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.525) internal successors, (101), 40 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 11:32:52,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 11:32:52,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 11:32:52,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:32:53,058 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 293 transitions and produced 233 states. [2022-02-19 11:32:53,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 11:32:53,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 11:32:53,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:32:53,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-19 11:32:53,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:32:53,282 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:32:53,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:32:53,284 INFO L85 PathProgramCache]: Analyzing trace with hash 508965150, now seen corresponding path program 4 times [2022-02-19 11:32:53,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:32:53,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954080790] [2022-02-19 11:32:53,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:32:53,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:32:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:32:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 73 proven. 33 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-19 11:32:53,440 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:32:53,441 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954080790] [2022-02-19 11:32:53,441 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954080790] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:32:53,441 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146314657] [2022-02-19 11:32:53,441 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 11:32:53,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:32:53,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:32:53,443 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:32:53,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 11:32:53,488 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 11:32:53,488 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:32:53,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjunts are in the unsatisfiable core [2022-02-19 11:32:53,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:32:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 61 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-19 11:32:53,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:32:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 61 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-02-19 11:32:53,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146314657] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:32:53,904 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:32:53,904 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 33 [2022-02-19 11:32:53,904 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054220161] [2022-02-19 11:32:53,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:32:53,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-19 11:32:53,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:32:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-19 11:32:53,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=870, Unknown=0, NotChecked=0, Total=1056 [2022-02-19 11:32:53,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:32:53,907 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:32:53,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.9393939393939394) internal successors, (97), 33 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 11:32:53,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 11:32:53,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 11:32:53,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:32:53,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:32:54,662 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1677 transitions and produced 695 states. [2022-02-19 11:32:54,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 11:32:54,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 11:32:54,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:32:54,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 11:32:54,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-19 11:32:54,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:32:54,895 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:32:54,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:32:54,896 INFO L85 PathProgramCache]: Analyzing trace with hash -355426244, now seen corresponding path program 5 times [2022-02-19 11:32:54,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:32:54,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979367489] [2022-02-19 11:32:54,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:32:54,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:32:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:32:55,135 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:32:55,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:32:55,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979367489] [2022-02-19 11:32:55,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979367489] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:32:55,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117292356] [2022-02-19 11:32:55,139 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 11:32:55,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:32:55,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:32:55,152 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:32:55,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 11:32:55,190 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-02-19 11:32:55,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:32:55,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjunts are in the unsatisfiable core [2022-02-19 11:32:55,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:32:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:32:55,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 11:32:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 89 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:32:56,219 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117292356] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 11:32:56,219 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 11:32:56,219 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 63 [2022-02-19 11:32:56,219 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458019263] [2022-02-19 11:32:56,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 11:32:56,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-02-19 11:32:56,220 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 11:32:56,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-02-19 11:32:56,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=835, Invalid=3071, Unknown=0, NotChecked=0, Total=3906 [2022-02-19 11:32:56,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:32:56,222 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 11:32:56,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.253968253968254) internal successors, (142), 63 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 11:32:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-19 11:32:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-19 11:32:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:32:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-19 11:32:56,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 11:32:57,033 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 381 transitions and produced 309 states. [2022-02-19 11:32:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-19 11:32:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-19 11:32:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-19 11:32:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-19 11:32:57,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-19 11:32:57,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 11:32:57,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:32:57,252 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 11:32:57,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 11:32:57,252 INFO L85 PathProgramCache]: Analyzing trace with hash -927598578, now seen corresponding path program 6 times [2022-02-19 11:32:57,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 11:32:57,253 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497759118] [2022-02-19 11:32:57,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 11:32:57,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 11:32:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 11:32:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 36 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 11:32:59,756 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 11:32:59,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497759118] [2022-02-19 11:32:59,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497759118] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 11:32:59,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306134563] [2022-02-19 11:32:59,757 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 11:32:59,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:32:59,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 11:32:59,758 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 11:32:59,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 11:32:59,826 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-02-19 11:32:59,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 11:32:59,828 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 117 conjunts are in the unsatisfiable core [2022-02-19 11:32:59,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 11:33:55,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:33:55,510 INFO L244 Elim1Store]: Index analysis took 119 ms [2022-02-19 11:33:56,229 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 11:33:56,230 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 168 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 85 case distinctions, treesize of input 282 treesize of output 1036 [2022-02-19 11:33:56,515 INFO L244 Elim1Store]: Index analysis took 242 ms [2022-02-19 11:34:05,540 WARN L228 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 1618 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 11:34:05,545 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 11:34:05,546 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 23 select indices, 23 select index equivalence classes, 0 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 253 case distinctions, treesize of input 212 treesize of output 4482 [2022-02-19 11:34:06,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 11:34:06,162 INFO L244 Elim1Store]: Index analysis took 156 ms [2022-02-19 11:34:08,144 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 11:34:08,146 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 168 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 85 case distinctions, treesize of input 6161 treesize of output 5577 Received shutdown request... [2022-02-19 11:47:08,050 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 11:47:08,053 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 11:47:08,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-19 11:47:08,080 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 11:47:08,080 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 11:47:08,080 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 11:47:08,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 11:47:08,254 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 24ms.. [2022-02-19 11:47:08,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 11:47:08,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 11:47:08,255 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 11:47:08,259 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-19 11:47:08,260 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 11:47:08,260 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 11:47:08,262 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 11:47:08 BasicIcfg [2022-02-19 11:47:08,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 11:47:08,262 INFO L158 Benchmark]: Toolchain (without parser) took 860406.20ms. Allocated memory was 194.0MB in the beginning and 855.6MB in the end (delta: 661.7MB). Free memory was 158.1MB in the beginning and 667.8MB in the end (delta: -509.7MB). Peak memory consumption was 533.3MB. Max. memory is 8.0GB. [2022-02-19 11:47:08,263 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 194.0MB. Free memory is still 159.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 11:47:08,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.44ms. Allocated memory is still 194.0MB. Free memory was 158.1MB in the beginning and 156.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 11:47:08,263 INFO L158 Benchmark]: Boogie Preprocessor took 20.31ms. Allocated memory is still 194.0MB. Free memory was 156.3MB in the beginning and 155.6MB in the end (delta: 715.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 11:47:08,263 INFO L158 Benchmark]: RCFGBuilder took 256.36ms. Allocated memory is still 194.0MB. Free memory was 155.3MB in the beginning and 145.5MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 11:47:08,264 INFO L158 Benchmark]: TraceAbstraction took 860094.29ms. Allocated memory was 194.0MB in the beginning and 855.6MB in the end (delta: 661.7MB). Free memory was 145.2MB in the beginning and 667.8MB in the end (delta: -522.6MB). Peak memory consumption was 520.7MB. Max. memory is 8.0GB. [2022-02-19 11:47:08,265 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 0.16ms. Allocated memory is still 194.0MB. Free memory is still 159.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.44ms. Allocated memory is still 194.0MB. Free memory was 158.1MB in the beginning and 156.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.31ms. Allocated memory is still 194.0MB. Free memory was 156.3MB in the beginning and 155.6MB in the end (delta: 715.1kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 256.36ms. Allocated memory is still 194.0MB. Free memory was 155.3MB in the beginning and 145.5MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 860094.29ms. Allocated memory was 194.0MB in the beginning and 855.6MB in the end (delta: 661.7MB). Free memory was 145.2MB in the beginning and 667.8MB in the end (delta: -522.6MB). Peak memory consumption was 520.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 24ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 24ms.. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 24ms.. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 71 with TraceHistMax 13,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 24ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 860.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 154, 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 520 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 765 ConstructedInterpolants, 0 QuantifiedInterpolants, 3998 SizeOfPredicates, 32 NumberOfNonLiveVariables, 650 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 1197/1605 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