/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 10:18:12,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 10:18:12,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 10:18:12,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 10:18:12,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 10:18:12,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 10:18:12,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 10:18:12,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 10:18:12,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 10:18:12,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 10:18:12,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 10:18:12,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 10:18:12,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 10:18:12,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 10:18:12,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 10:18:12,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 10:18:12,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 10:18:12,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 10:18:12,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 10:18:12,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 10:18:12,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 10:18:12,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 10:18:12,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 10:18:12,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 10:18:12,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 10:18:12,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 10:18:12,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 10:18:12,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 10:18:12,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-02 10:18:12,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 10:18:12,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 10:18:12,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 10:18:12,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 10:18:12,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 10:18:12,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 10:18:12,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 10:18:12,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 10:18:12,438 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 10:18:12,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 10:18:12,439 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 10:18:12,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 10:18:12,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 10:18:12,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 10:18:12,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 10:18:12,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 10:18:12,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 10:18:12,440 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 10:18:12,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 10:18:12,440 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 10:18:12,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 10:18:12,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 10:18:12,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 10:18:12,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 10:18:12,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 10:18:12,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:18:12,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 10:18:12,441 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 10:18:12,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 10:18:12,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 10:18:12,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 10:18:12,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 10:18:12,441 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 10:18:12,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 10:18:12,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 10:18:12,442 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 10:18:12,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 10:18:12,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 10:18:12,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 10:18:12,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 10:18:12,655 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 10:18:12,660 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 10:18:12,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2022-03-02 10:18:12,661 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2022-03-02 10:18:12,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 10:18:12,682 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 10:18:12,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 10:18:12,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 10:18:12,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 10:18:12,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/1) ... [2022-03-02 10:18:12,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/1) ... [2022-03-02 10:18:12,704 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 10:18:12,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 10:18:12,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 10:18:12,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 10:18:12,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 10:18:12,713 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/1) ... [2022-03-02 10:18:12,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/1) ... [2022-03-02 10:18:12,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/1) ... [2022-03-02 10:18:12,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/1) ... [2022-03-02 10:18:12,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/1) ... [2022-03-02 10:18:12,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/1) ... [2022-03-02 10:18:12,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/1) ... [2022-03-02 10:18:12,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 10:18:12,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 10:18:12,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 10:18:12,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 10:18:12,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/1) ... [2022-03-02 10:18:12,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:18:12,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:18:12,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 10:18:12,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 10:18:12,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 10:18:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 10:18:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 10:18:12,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 10:18:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 10:18:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 10:18:12,795 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 10:18:12,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 10:18:12,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 10:18:12,796 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 10:18:12,796 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 10:18:12,796 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 10:18:12,797 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 10:18:12,838 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 10:18:12,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 10:18:12,913 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 10:18:12,928 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 10:18:12,928 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 10:18:12,930 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:18:12 BoogieIcfgContainer [2022-03-02 10:18:12,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 10:18:12,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 10:18:12,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 10:18:12,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 10:18:12,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:18:12" (1/2) ... [2022-03-02 10:18:12,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a3dcb39 and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 10:18:12, skipping insertion in model container [2022-03-02 10:18:12,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:18:12" (2/2) ... [2022-03-02 10:18:12,940 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2022-03-02 10:18:12,949 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 10:18:12,950 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 10:18:12,951 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 10:18:12,951 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 10:18:13,002 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 10:18:13,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 10:18:13,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:18:13,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 10:18:13,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 10:18:13,090 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 10:18:13,097 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-02 10:18:13,097 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 10:18:13,467 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 435 transitions and produced 399 states. [2022-03-02 10:18:13,469 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:18:13,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:18:13,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1981573309, now seen corresponding path program 1 times [2022-03-02 10:18:13,485 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:18:13,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762097313] [2022-03-02 10:18:13,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:18:13,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:18:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:18:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 247 proven. 1093 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-03-02 10:18:14,083 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:18:14,084 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762097313] [2022-03-02 10:18:14,084 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762097313] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:18:14,086 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758067183] [2022-03-02 10:18:14,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:18:14,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:18:14,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:18:14,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:18:14,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 10:18:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:18:14,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 27 conjunts are in the unsatisfiable core [2022-03-02 10:18:14,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:18:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 1147 proven. 4 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-03-02 10:18:14,811 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:18:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 1147 proven. 4 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2022-03-02 10:18:15,328 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758067183] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:18:15,328 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:18:15,328 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 19] total 47 [2022-03-02 10:18:15,331 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963546833] [2022-03-02 10:18:15,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:18:15,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-02 10:18:15,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:18:15,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-02 10:18:15,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=664, Invalid=1592, Unknown=0, NotChecked=0, Total=2256 [2022-03-02 10:18:15,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:18:15,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:18:15,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.3125) internal successors, (159), 47 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:18:15,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:18:18,654 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 889 transitions and produced 811 states. [2022-03-02 10:18:18,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2022-03-02 10:18:18,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 10:18:18,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-03-02 10:18:18,872 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:18:18,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:18:18,873 INFO L85 PathProgramCache]: Analyzing trace with hash 347666118, now seen corresponding path program 1 times [2022-03-02 10:18:18,873 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:18:18,873 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025094920] [2022-03-02 10:18:18,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:18:18,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:18:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:18:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5727 backedges. 2608 proven. 539 refuted. 0 times theorem prover too weak. 2580 trivial. 0 not checked. [2022-03-02 10:18:19,317 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:18:19,317 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025094920] [2022-03-02 10:18:19,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025094920] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:18:19,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138613136] [2022-03-02 10:18:19,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:18:19,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:18:19,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:18:19,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:18:19,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 10:18:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:18:19,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 37 conjunts are in the unsatisfiable core [2022-03-02 10:18:19,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:18:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5727 backedges. 2249 proven. 289 refuted. 0 times theorem prover too weak. 3189 trivial. 0 not checked. [2022-03-02 10:18:20,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:18:21,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5727 backedges. 2249 proven. 289 refuted. 0 times theorem prover too weak. 3189 trivial. 0 not checked. [2022-03-02 10:18:21,062 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138613136] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:18:21,062 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:18:21,062 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 37, 37] total 54 [2022-03-02 10:18:21,063 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715610060] [2022-03-02 10:18:21,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:18:21,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-03-02 10:18:21,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:18:21,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-03-02 10:18:21,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=2400, Unknown=0, NotChecked=0, Total=2862 [2022-03-02 10:18:21,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:18:21,066 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:18:21,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.7962962962962963) internal successors, (151), 54 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:18:21,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2022-03-02 10:18:21,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:18:23,782 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2298 transitions and produced 1968 states. [2022-03-02 10:18:23,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-03-02 10:18:23,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 10:18:23,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 10:18:23,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:18:24,000 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:18:24,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:18:24,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1554042295, now seen corresponding path program 2 times [2022-03-02 10:18:24,000 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:18:24,001 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515446898] [2022-03-02 10:18:24,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:18:24,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:18:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:18:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30622 backedges. 5319 proven. 833 refuted. 0 times theorem prover too weak. 24470 trivial. 0 not checked. [2022-03-02 10:18:24,939 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:18:24,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515446898] [2022-03-02 10:18:24,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515446898] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:18:24,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928502751] [2022-03-02 10:18:24,940 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 10:18:24,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:18:24,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:18:24,942 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:18:24,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 10:18:25,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 10:18:25,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:18:25,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 1689 conjuncts, 77 conjunts are in the unsatisfiable core [2022-03-02 10:18:25,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:18:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 30622 backedges. 28023 proven. 105 refuted. 0 times theorem prover too weak. 2494 trivial. 0 not checked. [2022-03-02 10:18:28,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:18:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 30622 backedges. 28023 proven. 105 refuted. 0 times theorem prover too weak. 2494 trivial. 0 not checked. [2022-03-02 10:18:30,937 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928502751] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:18:30,938 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:18:30,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 67, 67] total 150 [2022-03-02 10:18:30,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463619262] [2022-03-02 10:18:30,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:18:30,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2022-03-02 10:18:30,940 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:18:30,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2022-03-02 10:18:30,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8633, Invalid=13717, Unknown=0, NotChecked=0, Total=22350 [2022-03-02 10:18:30,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:18:30,948 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:18:30,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 3.2133333333333334) internal successors, (482), 150 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:18:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-03-02 10:18:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 10:18:30,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:18:42,414 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5493 transitions and produced 4298 states. [2022-03-02 10:18:42,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-03-02 10:18:42,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 10:18:42,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2022-03-02 10:18:42,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 10:18:42,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:18:42,616 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:18:42,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:18:42,617 INFO L85 PathProgramCache]: Analyzing trace with hash -119663920, now seen corresponding path program 3 times [2022-03-02 10:18:42,617 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:18:42,617 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613795365] [2022-03-02 10:18:42,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:18:42,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:18:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:18:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 170869 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 170364 trivial. 0 not checked. [2022-03-02 10:18:43,218 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:18:43,218 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613795365] [2022-03-02 10:18:43,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613795365] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 10:18:43,218 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 10:18:43,219 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 10:18:43,219 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407463676] [2022-03-02 10:18:43,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 10:18:43,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 10:18:43,220 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:18:43,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 10:18:43,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 10:18:43,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:18:43,221 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:18:43,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:18:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-03-02 10:18:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 10:18:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2022-03-02 10:18:43,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:18:43,967 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5494 transitions and produced 4297 states. [2022-03-02 10:18:43,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-03-02 10:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 10:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2022-03-02 10:18:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 10:18:43,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-02 10:18:43,968 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:18:43,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:18:43,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1301640447, now seen corresponding path program 4 times [2022-03-02 10:18:43,969 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:18:43,969 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847819093] [2022-03-02 10:18:43,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:18:43,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:18:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:18:44,506 INFO L134 CoverageAnalysis]: Checked inductivity of 170875 backedges. 572 proven. 0 refuted. 0 times theorem prover too weak. 170303 trivial. 0 not checked. [2022-03-02 10:18:44,506 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:18:44,507 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847819093] [2022-03-02 10:18:44,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847819093] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-02 10:18:44,508 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-02 10:18:44,508 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-02 10:18:44,508 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326301220] [2022-03-02 10:18:44,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-02 10:18:44,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-02 10:18:44,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:18:44,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-02 10:18:44,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-02 10:18:44,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:18:44,511 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:18:44,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:18:44,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-03-02 10:18:44,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 10:18:44,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2022-03-02 10:18:44,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 10:18:44,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:18:45,226 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5524 transitions and produced 4321 states. [2022-03-02 10:18:45,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2022-03-02 10:18:45,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 10:18:45,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2022-03-02 10:18:45,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 10:18:45,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-02 10:18:45,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-02 10:18:45,228 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 10:18:45,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:18:45,228 INFO L85 PathProgramCache]: Analyzing trace with hash 2068796225, now seen corresponding path program 2 times [2022-03-02 10:18:45,229 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:18:45,229 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866436305] [2022-03-02 10:18:45,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:18:45,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:18:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:19:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 170722 backedges. 149733 proven. 14117 refuted. 0 times theorem prover too weak. 6872 trivial. 0 not checked. [2022-03-02 10:19:21,293 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:19:21,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866436305] [2022-03-02 10:19:21,293 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866436305] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:19:21,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025238029] [2022-03-02 10:19:21,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 10:19:21,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:19:21,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:19:21,296 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 10:19:21,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 10:19:22,050 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 10:19:22,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:19:22,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 3503 conjuncts, 521 conjunts are in the unsatisfiable core [2022-03-02 10:19:22,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:19:24,519 INFO L134 CoverageAnalysis]: Checked inductivity of 170722 backedges. 150486 proven. 13364 refuted. 0 times theorem prover too weak. 6872 trivial. 0 not checked. [2022-03-02 10:19:24,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:19:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 170722 backedges. 150486 proven. 13364 refuted. 0 times theorem prover too weak. 6872 trivial. 0 not checked. [2022-03-02 10:19:58,685 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025238029] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:19:58,685 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:19:58,686 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [349, 349, 349] total 642 [2022-03-02 10:19:58,686 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789455434] [2022-03-02 10:19:58,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:19:58,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 643 states [2022-03-02 10:19:58,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:19:58,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 643 interpolants. [2022-03-02 10:19:58,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146864, Invalid=265942, Unknown=0, NotChecked=0, Total=412806 [2022-03-02 10:19:58,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:19:58,750 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:19:58,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 643 states, 643 states have (on average 2.625194401244168) internal successors, (1688), 642 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 10:19:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2022-03-02 10:19:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 10:19:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2022-03-02 10:19:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 10:19:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-02 10:19:58,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-02 10:31:57,949 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 [2022-03-02 10:31:57,950 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:31:57,950 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:31:58,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-02 10:31:58,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-02 10:31:58,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2022-03-02 10:31:59,007 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 [2022-03-02 10:31:59,007 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-02 10:31:59,010 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 10:31:59,010 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 10:31:59,010 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 10:31:59,010 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 10:31:59,017 INFO L732 BasicCegarLoop]: Path program histogram: [4, 2] [2022-03-02 10:31:59,019 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 10:31:59,019 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 10:31:59,021 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 10:31:59 BasicIcfg [2022-03-02 10:31:59,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 10:31:59,022 INFO L158 Benchmark]: Toolchain (without parser) took 826339.35ms. Allocated memory was 206.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 163.5MB in the beginning and 506.1MB in the end (delta: -342.6MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-02 10:31:59,022 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 206.6MB. Free memory is still 164.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 10:31:59,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.11ms. Allocated memory is still 206.6MB. Free memory was 163.5MB in the beginning and 161.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:31:59,023 INFO L158 Benchmark]: Boogie Preprocessor took 13.75ms. Allocated memory is still 206.6MB. Free memory was 161.9MB in the beginning and 161.0MB in the end (delta: 925.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:31:59,023 INFO L158 Benchmark]: RCFGBuilder took 209.34ms. Allocated memory is still 206.6MB. Free memory was 160.8MB in the beginning and 151.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 10:31:59,024 INFO L158 Benchmark]: TraceAbstraction took 826089.74ms. Allocated memory was 206.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 150.9MB in the beginning and 506.1MB in the end (delta: -355.2MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-02 10:31:59,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 206.6MB. Free memory is still 164.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.11ms. Allocated memory is still 206.6MB. Free memory was 163.5MB in the beginning and 161.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.75ms. Allocated memory is still 206.6MB. Free memory was 161.9MB in the beginning and 161.0MB in the end (delta: 925.5kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 209.34ms. Allocated memory is still 206.6MB. Free memory was 160.8MB in the beginning and 151.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 826089.74ms. Allocated memory was 206.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 150.9MB in the beginning and 506.1MB in the end (delta: -355.2MB). Peak memory consumption was 1.4GB. 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: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - 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 executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 826.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 739.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1073, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 81.6s InterpolantComputationTime, 6890 NumberOfCodeBlocks, 6890 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 9046 ConstructedInterpolants, 0 QuantifiedInterpolants, 27293 SizeOfPredicates, 8 NumberOfNonLiveVariables, 6257 ConjunctsInSsa, 662 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 923336/967442 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