/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 18:54:09,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 18:54:09,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 18:54:09,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 18:54:09,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 18:54:09,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 18:54:09,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 18:54:09,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 18:54:09,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 18:54:09,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 18:54:09,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 18:54:09,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 18:54:09,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 18:54:09,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 18:54:09,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 18:54:09,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 18:54:09,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 18:54:09,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 18:54:09,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 18:54:09,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 18:54:09,547 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.epf [2022-02-09 18:54:09,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 18:54:09,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 18:54:09,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 18:54:09,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 18:54:09,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 18:54:09,577 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 18:54:09,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 18:54:09,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 18:54:09,578 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 18:54:09,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 18:54:09,579 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 18:54:09,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 18:54:09,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 18:54:09,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 18:54:09,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 18:54:09,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 18:54:09,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 18:54:09,580 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 18:54:09,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 18:54:09,580 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 18:54:09,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 18:54:09,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 18:54:09,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 18:54:09,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 18:54:09,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 18:54:09,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 18:54:09,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 18:54:09,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 18:54:09,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 18:54:09,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 18:54:09,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 18:54:09,583 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 18:54:09,583 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 18:54:09,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 18:54:09,584 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 18:54:09,584 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 18:54:09,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 18:54:09,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 18:54:09,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 18:54:09,862 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 18:54:09,868 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 18:54:09,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2022-02-09 18:54:09,869 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2022-02-09 18:54:09,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 18:54:09,911 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 18:54:09,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 18:54:09,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 18:54:09,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 18:54:09,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/1) ... [2022-02-09 18:54:09,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/1) ... [2022-02-09 18:54:09,937 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 18:54:09,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 18:54:09,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 18:54:09,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 18:54:09,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 18:54:09,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/1) ... [2022-02-09 18:54:09,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/1) ... [2022-02-09 18:54:09,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/1) ... [2022-02-09 18:54:09,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/1) ... [2022-02-09 18:54:09,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/1) ... [2022-02-09 18:54:09,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/1) ... [2022-02-09 18:54:09,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/1) ... [2022-02-09 18:54:09,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 18:54:09,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 18:54:09,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 18:54:09,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 18:54:09,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/1) ... [2022-02-09 18:54:09,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 18:54:09,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:54:09,993 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) [2022-02-09 18:54:10,004 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 [2022-02-09 18:54:10,035 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 18:54:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 18:54:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 18:54:10,036 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 18:54:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 18:54:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 18:54:10,036 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 18:54:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 18:54:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 18:54:10,036 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 18:54:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 18:54:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 18:54:10,037 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-09 18:54:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-09 18:54:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-09 18:54:10,039 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 18:54:10,088 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 18:54:10,089 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 18:54:10,222 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 18:54:10,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 18:54:10,242 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-09 18:54:10,243 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-02-09 18:54:10,246 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-02-09 18:54:10,246 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-02-09 18:54:10,248 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:54:10 BoogieIcfgContainer [2022-02-09 18:54:10,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 18:54:10,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 18:54:10,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 18:54:10,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 18:54:10,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:54:09" (1/2) ... [2022-02-09 18:54:10,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eafe8 and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:54:10, skipping insertion in model container [2022-02-09 18:54:10,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:54:10" (2/2) ... [2022-02-09 18:54:10,258 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2022-02-09 18:54:10,267 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 18:54:10,267 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 18:54:10,268 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 18:54:10,268 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 18:54:10,337 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-02-09 18:54:10,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 18:54:10,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:54:10,424 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) [2022-02-09 18:54:10,426 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 [2022-02-09 18:54:10,453 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 18:54:10,459 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=false, 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 [2022-02-09 18:54:10,467 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-09 18:54:10,477 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 33 transitions, 110 flow [2022-02-09 18:54:10,516 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 103 states, 102 states have (on average 2.911764705882353) internal successors, (297), 102 states have internal predecessors, (297), 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) [2022-02-09 18:54:10,558 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 233 transitions and produced 176 states. [2022-02-09 18:54:10,560 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 18:54:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:54:10,565 INFO L85 PathProgramCache]: Analyzing trace with hash -827380568, now seen corresponding path program 1 times [2022-02-09 18:54:10,572 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:54:10,573 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186469682] [2022-02-09 18:54:10,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:54:10,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:54:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:54:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:54:10,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:54:10,946 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186469682] [2022-02-09 18:54:10,946 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186469682] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:54:10,946 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966953249] [2022-02-09 18:54:10,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:54:10,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:54:10,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:54:10,949 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) [2022-02-09 18:54:10,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 18:54:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:54:11,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 18:54:11,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:54:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:54:11,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:54:11,531 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:54:11,531 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966953249] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:54:11,532 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:54:11,532 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 32 [2022-02-09 18:54:11,534 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929070936] [2022-02-09 18:54:11,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:54:11,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-09 18:54:11,541 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:54:11,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-09 18:54:11,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2022-02-09 18:54:11,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:54:11,571 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:54:11,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.5) internal successors, (80), 32 states have internal predecessors, (80), 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) [2022-02-09 18:54:11,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:54:12,177 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 178 transitions and produced 172 states. [2022-02-09 18:54:12,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 18:54:12,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 18:54:12,388 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 [2022-02-09 18:54:12,388 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 18:54:12,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:54:12,389 INFO L85 PathProgramCache]: Analyzing trace with hash -210262169, now seen corresponding path program 1 times [2022-02-09 18:54:12,389 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:54:12,389 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653692057] [2022-02-09 18:54:12,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:54:12,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:54:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:54:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:54:12,660 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:54:12,660 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653692057] [2022-02-09 18:54:12,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653692057] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:54:12,660 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958805019] [2022-02-09 18:54:12,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:54:12,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:54:12,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:54:12,662 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) [2022-02-09 18:54:12,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 18:54:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:54:12,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-09 18:54:12,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:54:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:54:12,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:54:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 100 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:54:13,252 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958805019] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:54:13,253 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:54:13,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 37 [2022-02-09 18:54:13,255 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443653490] [2022-02-09 18:54:13,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:54:13,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-02-09 18:54:13,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:54:13,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-02-09 18:54:13,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1009, Unknown=0, NotChecked=0, Total=1332 [2022-02-09 18:54:13,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:54:13,260 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:54:13,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.4324324324324325) internal successors, (90), 37 states have internal predecessors, (90), 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) [2022-02-09 18:54:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 18:54:13,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:54:13,752 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 213 transitions and produced 203 states. [2022-02-09 18:54:13,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 18:54:13,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 18:54:13,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 18:54:13,953 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 [2022-02-09 18:54:13,953 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 18:54:13,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:54:13,954 INFO L85 PathProgramCache]: Analyzing trace with hash 2081311953, now seen corresponding path program 2 times [2022-02-09 18:54:13,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:54:13,955 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201184320] [2022-02-09 18:54:13,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:54:13,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:54:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:54:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 63 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:54:16,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:54:16,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201184320] [2022-02-09 18:54:16,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201184320] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:54:16,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097742223] [2022-02-09 18:54:16,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 18:54:16,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:54:16,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:54:16,991 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) [2022-02-09 18:54:16,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 18:54:17,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 18:54:17,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:54:17,063 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 142 conjunts are in the unsatisfiable core [2022-02-09 18:54:17,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:54:23,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:54:23,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:23,420 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 63 [2022-02-09 18:54:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:54:23,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:54:36,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,890 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,903 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,905 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,907 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,908 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,956 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,966 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,970 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:54:36,988 INFO L244 Elim1Store]: Index analysis took 108 ms [2022-02-09 18:54:39,284 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 18:54:39,285 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 110 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 121 case distinctions, treesize of input 181 treesize of output 1242 [2022-02-09 18:56:57,198 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:56:57,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097742223] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:56:57,199 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:56:57,199 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 137 [2022-02-09 18:56:57,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289327352] [2022-02-09 18:56:57,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:56:57,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-02-09 18:56:57,200 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:56:57,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-02-09 18:56:57,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=899, Invalid=17733, Unknown=0, NotChecked=0, Total=18632 [2022-02-09 18:56:57,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:56:57,207 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:56:57,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 1.1094890510948905) internal successors, (152), 137 states have internal predecessors, (152), 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) [2022-02-09 18:56:57,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-09 18:56:57,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-09 18:56:57,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:07,127 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 229 transitions and produced 215 states. [2022-02-09 18:57:07,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-09 18:57:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-09 18:57:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-02-09 18:57:07,144 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-09 18:57:07,328 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 [2022-02-09 18:57:07,329 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-09 18:57:07,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:57:07,329 INFO L85 PathProgramCache]: Analyzing trace with hash 121005553, now seen corresponding path program 3 times [2022-02-09 18:57:07,329 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:57:07,329 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825784941] [2022-02-09 18:57:07,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:57:07,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:57:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:57:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:57:10,386 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:57:10,386 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825784941] [2022-02-09 18:57:10,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825784941] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:57:10,386 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448837545] [2022-02-09 18:57:10,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 18:57:10,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:57:10,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:57:10,392 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) [2022-02-09 18:57:10,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 18:57:10,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-02-09 18:57:10,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:57:10,460 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 153 conjunts are in the unsatisfiable core [2022-02-09 18:57:10,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:57:24,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:57:24,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:57:24,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:57:24,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:57:24,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:57:24,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 18:57:24,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 18:57:24,986 INFO L244 Elim1Store]: Index analysis took 129 ms [2022-02-09 18:57:26,023 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 18:57:26,024 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 60 disjoint index pairs (out of 276 index pairs), introduced 18 new quantified variables, introduced 165 case distinctions, treesize of input 170 treesize of output 1102 [2022-02-09 19:02:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 19:02:14,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-02-09 19:08:09,600 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 [2022-02-09 19:08:09,601 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 [2022-02-09 19:08:09,601 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 [2022-02-09 19:08:09,851 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (6 of 7 remaining) [2022-02-09 19:08:09,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 19:08:10,051 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 [2022-02-09 19:08:10,052 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. [2022-02-09 19:08:10,054 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATION (5 of 7 remaining) [2022-02-09 19:08:10,054 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5INUSE_VIOLATION (4 of 7 remaining) [2022-02-09 19:08:10,054 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-02-09 19:08:10,055 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-02-09 19:08:10,057 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err0INUSE_VIOLATION (1 of 7 remaining) [2022-02-09 19:08:10,058 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err1INUSE_VIOLATION (0 of 7 remaining) [2022-02-09 19:08:10,064 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1] [2022-02-09 19:08:10,066 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 19:08:10,066 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 19:08:10,067 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 07:08:10 BasicIcfg [2022-02-09 19:08:10,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 19:08:10,068 INFO L158 Benchmark]: Toolchain (without parser) took 840156.98ms. Allocated memory was 170.9MB in the beginning and 702.5MB in the end (delta: 531.6MB). Free memory was 130.3MB in the beginning and 360.5MB in the end (delta: -230.2MB). Peak memory consumption was 302.5MB. Max. memory is 8.0GB. [2022-02-09 19:08:10,068 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 170.9MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 19:08:10,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.98ms. Allocated memory is still 170.9MB. Free memory was 130.2MB in the beginning and 128.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 19:08:10,069 INFO L158 Benchmark]: Boogie Preprocessor took 19.71ms. Allocated memory is still 170.9MB. Free memory was 128.7MB in the beginning and 127.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 19:08:10,069 INFO L158 Benchmark]: RCFGBuilder took 287.54ms. Allocated memory is still 170.9MB. Free memory was 127.7MB in the beginning and 117.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-09 19:08:10,070 INFO L158 Benchmark]: TraceAbstraction took 839817.81ms. Allocated memory was 170.9MB in the beginning and 702.5MB in the end (delta: 531.6MB). Free memory was 117.2MB in the beginning and 360.5MB in the end (delta: -243.3MB). Peak memory consumption was 289.9MB. Max. memory is 8.0GB. [2022-02-09 19:08:10,072 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 0.12ms. Allocated memory is still 170.9MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.98ms. Allocated memory is still 170.9MB. Free memory was 130.2MB in the beginning and 128.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.71ms. Allocated memory is still 170.9MB. Free memory was 128.7MB in the beginning and 127.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 287.54ms. Allocated memory is still 170.9MB. Free memory was 127.7MB in the beginning and 117.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 839817.81ms. Allocated memory was 170.9MB in the beginning and 702.5MB in the end (delta: 531.6MB). Free memory was 117.2MB in the beginning and 360.5MB in the end (delta: -243.3MB). Peak memory consumption was 289.9MB. 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: 86]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 50]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 54]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 78]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 81]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 50]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - TimeoutResultAtElement [Line: 54]: 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 65 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 131 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 839.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 11.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 142, 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, 0.2s SatisfiabilityAnalysisTime, 164.6s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 447 ConstructedInterpolants, 45 QuantifiedInterpolants, 14183 SizeOfPredicates, 35 NumberOfNonLiveVariables, 532 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 528/1428 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