/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-01 23:54:56,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 23:54:56,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 23:54:56,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-01 23:54:56,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-01 23:54:56,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-01 23:54:56,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-01 23:54:56,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-01 23:54:56,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-01 23:54:56,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-01 23:54:56,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-01 23:54:56,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-01 23:54:56,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-01 23:54:56,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-01 23:54:56,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-01 23:54:56,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-01 23:54:56,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-01 23:54:56,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-01 23:54:56,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-01 23:54:56,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-01 23:54:56,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-01 23:54:56,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-01 23:54:56,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-01 23:54:56,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-01 23:54:56,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-01 23:54:56,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-01 23:54:56,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-01 23:54:56,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-01 23:54:56,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-01 23:54:56,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 23:54:56,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 23:54:56,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 23:54:56,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 23:54:56,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 23:54:56,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 23:54:56,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 23:54:56,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 23:54:56,146 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 23:54:56,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 23:54:56,147 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 23:54:56,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 23:54:56,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 23:54:56,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 23:54:56,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 23:54:56,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 23:54:56,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 23:54:56,148 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 23:54:56,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 23:54:56,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 23:54:56,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 23:54:56,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 23:54:56,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 23:54:56,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 23:54:56,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 23:54:56,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:54:56,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 23:54:56,149 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-01 23:54:56,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 23:54:56,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 23:54:56,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 23:54:56,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 23:54:56,150 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 23:54:56,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-01 23:54:56,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 23:54:56,150 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-01 23:54:56,150 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-01 23:54:56,150 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-01 23:54:56,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 23:54:56,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 23:54:56,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 23:54:56,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 23:54:56,352 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-01 23:54:56,353 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-01 23:54:56,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl [2022-03-01 23:54:56,354 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum-alt.wvr.bpl' [2022-03-01 23:54:56,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 23:54:56,387 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-01 23:54:56,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 23:54:56,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 23:54:56,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 23:54:56,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/1) ... [2022-03-01 23:54:56,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/1) ... [2022-03-01 23:54:56,408 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-01 23:54:56,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 23:54:56,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 23:54:56,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 23:54:56,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 23:54:56,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/1) ... [2022-03-01 23:54:56,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/1) ... [2022-03-01 23:54:56,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/1) ... [2022-03-01 23:54:56,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/1) ... [2022-03-01 23:54:56,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/1) ... [2022-03-01 23:54:56,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/1) ... [2022-03-01 23:54:56,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/1) ... [2022-03-01 23:54:56,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 23:54:56,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 23:54:56,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 23:54:56,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 23:54:56,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/1) ... [2022-03-01 23:54:56,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 23:54:56,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:54:56,454 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) [2022-03-01 23:54:56,457 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 [2022-03-01 23:54:56,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-01 23:54:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-01 23:54:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-01 23:54:56,510 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-01 23:54:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-01 23:54:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-01 23:54:56,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-01 23:54:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 23:54:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 23:54:56,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-01 23:54:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-01 23:54:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-01 23:54:56,512 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 23:54:56,545 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 23:54:56,546 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 23:54:56,658 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 23:54:56,663 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 23:54:56,664 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 23:54:56,665 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 11:54:56 BoogieIcfgContainer [2022-03-01 23:54:56,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 23:54:56,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 23:54:56,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 23:54:56,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 23:54:56,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 11:54:56" (1/2) ... [2022-03-01 23:54:56,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e387322 and model type array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 11:54:56, skipping insertion in model container [2022-03-01 23:54:56,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 11:54:56" (2/2) ... [2022-03-01 23:54:56,698 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum-alt.wvr.bpl [2022-03-01 23:54:56,701 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 23:54:56,702 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 23:54:56,702 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 23:54:56,702 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 23:54:56,743 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-01 23:54:56,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-01 23:54:56,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:54:56,824 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) [2022-03-01 23:54:56,825 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 [2022-03-01 23:54:56,857 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 23:54:56,866 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-01 23:54:56,866 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-01 23:54:58,554 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12063 transitions and produced 4217 states. [2022-03-01 23:54:58,556 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:54:58,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:54:58,562 INFO L85 PathProgramCache]: Analyzing trace with hash -510078840, now seen corresponding path program 1 times [2022-03-01 23:54:58,568 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:54:58,569 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911125023] [2022-03-01 23:54:58,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:54:58,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:54:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:54:59,280 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 280 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:54:59,281 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:54:59,281 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911125023] [2022-03-01 23:54:59,281 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911125023] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:54:59,282 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968969675] [2022-03-01 23:54:59,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:54:59,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:54:59,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:54:59,284 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) [2022-03-01 23:54:59,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-01 23:54:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:54:59,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-01 23:54:59,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:54:59,762 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 122 proven. 12 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-01 23:54:59,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:55:00,008 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 122 proven. 12 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-01 23:55:00,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968969675] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:55:00,009 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:55:00,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 11] total 40 [2022-03-01 23:55:00,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653962098] [2022-03-01 23:55:00,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:55:00,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-03-01 23:55:00,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:55:00,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-03-01 23:55:00,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1289, Unknown=0, NotChecked=0, Total=1560 [2022-03-01 23:55:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:00,031 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:55:00,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.375) internal successors, (135), 40 states have internal predecessors, (135), 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) [2022-03-01 23:55:00,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:01,530 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12079 transitions and produced 4233 states. [2022-03-01 23:55:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:01,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-01 23:55:01,754 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 [2022-03-01 23:55:01,754 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:55:01,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:55:01,755 INFO L85 PathProgramCache]: Analyzing trace with hash -339860333, now seen corresponding path program 2 times [2022-03-01 23:55:01,755 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:55:01,755 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660922794] [2022-03-01 23:55:01,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:55:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:55:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:55:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 280 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:55:02,108 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:55:02,109 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660922794] [2022-03-01 23:55:02,109 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660922794] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:55:02,109 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668890615] [2022-03-01 23:55:02,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-01 23:55:02,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:55:02,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:55:02,124 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) [2022-03-01 23:55:02,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-01 23:55:02,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-01 23:55:02,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:55:02,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-01 23:55:02,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:55:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 128 proven. 22 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-03-01 23:55:02,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:55:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 128 proven. 22 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-03-01 23:55:02,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668890615] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:55:02,930 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:55:02,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 13, 13] total 48 [2022-03-01 23:55:02,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683045814] [2022-03-01 23:55:02,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:55:02,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-01 23:55:02,931 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:55:02,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-01 23:55:02,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2022-03-01 23:55:02,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:02,933 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:55:02,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.2083333333333335) internal successors, (154), 48 states have internal predecessors, (154), 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) [2022-03-01 23:55:02,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:02,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:03,378 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 580 transitions and produced 421 states. [2022-03-01 23:55:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:03,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-01 23:55:03,596 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 [2022-03-01 23:55:03,596 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:55:03,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:55:03,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1716694872, now seen corresponding path program 3 times [2022-03-01 23:55:03,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:55:03,597 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65107467] [2022-03-01 23:55:03,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:55:03,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:55:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:55:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 280 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:55:04,014 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:55:04,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65107467] [2022-03-01 23:55:04,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65107467] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:55:04,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461061988] [2022-03-01 23:55:04,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-01 23:55:04,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:55:04,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:55:04,028 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) [2022-03-01 23:55:04,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-01 23:55:04,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-03-01 23:55:04,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:55:04,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-01 23:55:04,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:55:04,598 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 266 proven. 35 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-03-01 23:55:04,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:55:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 266 proven. 35 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-03-01 23:55:04,995 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461061988] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:55:04,995 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:55:04,995 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 15, 15] total 56 [2022-03-01 23:55:04,995 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971858956] [2022-03-01 23:55:04,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:55:04,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-03-01 23:55:04,996 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:55:04,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-03-01 23:55:04,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=2694, Unknown=0, NotChecked=0, Total=3080 [2022-03-01 23:55:04,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:04,998 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:55:04,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 3.5535714285714284) internal successors, (199), 56 states have internal predecessors, (199), 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) [2022-03-01 23:55:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:04,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:06,619 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12111 transitions and produced 4265 states. [2022-03-01 23:55:06,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:06,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:06,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:06,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-01 23:55:06,835 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 [2022-03-01 23:55:06,836 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:55:06,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:55:06,837 INFO L85 PathProgramCache]: Analyzing trace with hash -2056769421, now seen corresponding path program 4 times [2022-03-01 23:55:06,837 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:55:06,837 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811750524] [2022-03-01 23:55:06,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:55:06,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:55:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:55:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 258 proven. 65 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-03-01 23:55:06,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:55:06,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811750524] [2022-03-01 23:55:06,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811750524] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:55:06,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187138109] [2022-03-01 23:55:07,000 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-01 23:55:07,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:55:07,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:55:07,001 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) [2022-03-01 23:55:07,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-01 23:55:07,041 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-01 23:55:07,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:55:07,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-01 23:55:07,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:55:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 170 proven. 71 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-03-01 23:55:07,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:55:07,745 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 190 proven. 51 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-03-01 23:55:07,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187138109] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:55:07,746 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:55:07,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 43 [2022-03-01 23:55:07,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269105506] [2022-03-01 23:55:07,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:55:07,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-01 23:55:07,747 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:55:07,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-01 23:55:07,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1484, Unknown=0, NotChecked=0, Total=1806 [2022-03-01 23:55:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:07,750 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:55:07,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.511627906976744) internal successors, (151), 43 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) [2022-03-01 23:55:07,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:07,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:07,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:07,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:08,188 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 612 transitions and produced 453 states. [2022-03-01 23:55:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-01 23:55:08,215 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-01 23:55:08,415 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 [2022-03-01 23:55:08,415 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:55:08,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:55:08,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1389807416, now seen corresponding path program 5 times [2022-03-01 23:55:08,416 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:55:08,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776088681] [2022-03-01 23:55:08,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:55:08,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:55:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:55:08,761 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 280 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:55:08,761 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:55:08,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776088681] [2022-03-01 23:55:08,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776088681] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:55:08,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597691520] [2022-03-01 23:55:08,765 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-01 23:55:08,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:55:08,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:55:08,767 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 23:55:08,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-01 23:55:08,813 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-03-01 23:55:08,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:55:08,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-01 23:55:08,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:55:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 280 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:55:09,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:55:10,659 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 338 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:55:10,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597691520] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:55:10,660 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:55:10,660 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 86 [2022-03-01 23:55:10,660 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299344200] [2022-03-01 23:55:10,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:55:10,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-03-01 23:55:10,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:55:10,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-03-01 23:55:10,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1675, Invalid=5635, Unknown=0, NotChecked=0, Total=7310 [2022-03-01 23:55:10,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:10,663 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:55:10,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 3.0930232558139537) internal successors, (266), 86 states have internal predecessors, (266), 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) [2022-03-01 23:55:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-01 23:55:10,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:11,761 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 756 transitions and produced 576 states. [2022-03-01 23:55:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-01 23:55:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 23:55:11,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-01 23:55:11,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:55:11,981 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:55:11,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:55:11,982 INFO L85 PathProgramCache]: Analyzing trace with hash -934521901, now seen corresponding path program 6 times [2022-03-01 23:55:11,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:55:11,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075579395] [2022-03-01 23:55:11,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:55:11,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:55:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:55:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 280 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:55:12,438 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:55:12,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075579395] [2022-03-01 23:55:12,438 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075579395] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:55:12,438 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620098522] [2022-03-01 23:55:12,438 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-01 23:55:12,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:55:12,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:55:12,440 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 23:55:12,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-01 23:55:12,489 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-03-01 23:55:12,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-01 23:55:12,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-01 23:55:12,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:55:13,557 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 280 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:55:13,557 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:55:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 338 proven. 376 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:55:15,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620098522] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-01 23:55:15,101 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-01 23:55:15,101 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 113 [2022-03-01 23:55:15,101 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892895256] [2022-03-01 23:55:15,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-01 23:55:15,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2022-03-01 23:55:15,102 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-01 23:55:15,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2022-03-01 23:55:15,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2281, Invalid=10375, Unknown=0, NotChecked=0, Total=12656 [2022-03-01 23:55:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:15,107 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-01 23:55:15,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 3.0707964601769913) internal successors, (347), 113 states have internal predecessors, (347), 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) [2022-03-01 23:55:15,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:15,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:15,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:15,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-01 23:55:15,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-01 23:55:15,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-01 23:55:16,766 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 820 transitions and produced 652 states. [2022-03-01 23:55:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-01 23:55:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-01 23:55:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-01 23:55:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-01 23:55:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-01 23:55:16,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-01 23:55:16,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:55:16,981 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-01 23:55:16,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 23:55:16,982 INFO L85 PathProgramCache]: Analyzing trace with hash 202580883, now seen corresponding path program 7 times [2022-03-01 23:55:16,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 23:55:16,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189538486] [2022-03-01 23:55:16,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 23:55:16,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 23:55:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:55:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 128 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:55:26,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-01 23:55:26,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189538486] [2022-03-01 23:55:26,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189538486] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-01 23:55:26,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937634253] [2022-03-01 23:55:26,654 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-01 23:55:26,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-01 23:55:26,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 23:55:26,656 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-01 23:55:26,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-01 23:55:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-01 23:55:26,712 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 168 conjunts are in the unsatisfiable core [2022-03-01 23:55:26,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-01 23:55:40,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:55:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:55:40,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:55:40,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:55:40,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:55:40,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-01 23:55:40,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:55:40,681 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 190 disjoint index pairs (out of 325 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 47 [2022-03-01 23:55:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-01 23:55:40,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-01 23:56:04,741 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,742 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,749 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,751 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,753 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,754 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,756 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,761 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,762 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,768 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:56:04,772 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-01 23:57:11,496 WARN L228 SmtUtils]: Spent 1.11m on a formula simplification. DAG size of input: 2856 DAG size of output: 2036 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-01 23:57:11,502 INFO L353 Elim1Store]: treesize reduction 3272, result has 59.4 percent of original size [2022-03-01 23:57:11,504 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 91 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 689 case distinctions, treesize of input 200 treesize of output 4835 Received shutdown request... [2022-03-02 00:09:26,569 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 00:09:26,569 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 00:09:26,569 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 00:09:26,590 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 00:09:26,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-03-02 00:09:26,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-03-02 00:09:26,807 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-494-33-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. [2022-03-02 00:09:26,808 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 00:09:26,808 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 00:09:26,809 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 00:09:26,812 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-02 00:09:26,813 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 00:09:26,813 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 00:09:26,818 INFO L202 PluginConnector]: Adding new model array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 12:09:26 BasicIcfg [2022-03-02 00:09:26,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 00:09:26,820 INFO L158 Benchmark]: Toolchain (without parser) took 870432.23ms. Allocated memory was 191.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 154.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-03-02 00:09:26,821 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.31ms. Allocated memory is still 191.9MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:09:26,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.09ms. Allocated memory is still 191.9MB. Free memory was 154.0MB in the beginning and 152.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:09:26,821 INFO L158 Benchmark]: Boogie Preprocessor took 15.10ms. Allocated memory is still 191.9MB. Free memory was 152.4MB in the beginning and 151.5MB in the end (delta: 952.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:09:26,822 INFO L158 Benchmark]: RCFGBuilder took 237.85ms. Allocated memory is still 191.9MB. Free memory was 151.4MB in the beginning and 142.4MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 00:09:26,822 INFO L158 Benchmark]: TraceAbstraction took 870152.22ms. Allocated memory was 191.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-03-02 00:09:26,824 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 0.31ms. Allocated memory is still 191.9MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.09ms. Allocated memory is still 191.9MB. Free memory was 154.0MB in the beginning and 152.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.10ms. Allocated memory is still 191.9MB. Free memory was 152.4MB in the beginning and 151.5MB in the end (delta: 952.1kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 237.85ms. Allocated memory is still 191.9MB. Free memory was 151.4MB in the beginning and 142.4MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 870152.22ms. Allocated memory was 191.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 141.9MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. 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: 59]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-494-33-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 53]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-494-33-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 52]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-494-33-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - TimeoutResultAtElement [Line: 52]: 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 139 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-494-33-2-26-2-25-2-24-2-23-2-22-2-21-2-20-2-19-2-18-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-10-2-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 870.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 8.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 265, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 1182 NumberOfCodeBlocks, 1176 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 1755 ConstructedInterpolants, 0 QuantifiedInterpolants, 10896 SizeOfPredicates, 39 NumberOfNonLiveVariables, 1071 ConjunctsInSsa, 122 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 5644/7782 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