/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-bad/dot-product-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 01:22:15,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 01:22:15,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 01:22:15,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 01:22:15,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 01:22:15,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 01:22:15,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 01:22:15,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 01:22:15,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 01:22:15,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 01:22:15,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 01:22:15,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 01:22:15,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 01:22:15,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 01:22:15,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 01:22:15,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 01:22:15,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 01:22:15,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 01:22:15,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 01:22:15,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 01:22:15,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 01:22:15,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 01:22:15,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 01:22:15,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 01:22:15,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 01:22:15,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 01:22:15,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 01:22:15,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 01:22:15,992 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 [2022-03-04 01:22:16,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 01:22:16,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 01:22:16,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 01:22:16,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 01:22:16,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 01:22:16,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 01:22:16,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 01:22:16,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 01:22:16,024 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 01:22:16,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 01:22:16,024 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 01:22:16,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 01:22:16,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 01:22:16,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 01:22:16,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 01:22:16,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 01:22:16,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 01:22:16,025 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 01:22:16,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 01:22:16,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 01:22:16,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 01:22:16,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 01:22:16,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 01:22:16,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 01:22:16,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 01:22:16,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:22:16,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 01:22:16,025 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 01:22:16,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 01:22:16,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 01:22:16,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 01:22:16,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 01:22:16,026 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 01:22:16,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 01:22:16,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 01:22:16,026 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 01:22:16,026 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-04 01:22:16,026 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 01:22:16,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 01:22:16,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 01:22:16,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 01:22:16,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 01:22:16,239 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 01:22:16,240 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 01:22:16,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl [2022-03-04 01:22:16,242 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product-alt.wvr.bpl' [2022-03-04 01:22:16,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 01:22:16,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 01:22:16,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 01:22:16,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 01:22:16,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 01:22:16,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/1) ... [2022-03-04 01:22:16,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/1) ... [2022-03-04 01:22:16,289 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 01:22:16,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 01:22:16,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 01:22:16,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 01:22:16,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 01:22:16,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/1) ... [2022-03-04 01:22:16,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/1) ... [2022-03-04 01:22:16,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/1) ... [2022-03-04 01:22:16,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/1) ... [2022-03-04 01:22:16,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/1) ... [2022-03-04 01:22:16,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/1) ... [2022-03-04 01:22:16,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/1) ... [2022-03-04 01:22:16,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 01:22:16,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 01:22:16,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 01:22:16,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 01:22:16,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/1) ... [2022-03-04 01:22:16,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 01:22:16,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:22:16,329 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) [2022-03-04 01:22:16,332 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 [2022-03-04 01:22:16,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 01:22:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 01:22:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 01:22:16,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 01:22:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 01:22:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 01:22:16,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 01:22:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 01:22:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 01:22:16,355 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 01:22:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 01:22:16,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 01:22:16,356 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 01:22:16,397 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 01:22:16,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 01:22:16,505 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 01:22:16,511 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 01:22:16,511 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 01:22:16,513 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:22:16 BoogieIcfgContainer [2022-03-04 01:22:16,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 01:22:16,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 01:22:16,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 01:22:16,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 01:22:16,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 01:22:16" (1/2) ... [2022-03-04 01:22:16,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@264513bd and model type dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:22:16, skipping insertion in model container [2022-03-04 01:22:16,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 01:22:16" (2/2) ... [2022-03-04 01:22:16,519 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-alt.wvr.bpl [2022-03-04 01:22:16,526 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 01:22:16,527 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 01:22:16,527 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 01:22:16,527 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 01:22:16,577 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 01:22:16,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 01:22:16,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:22:16,625 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) [2022-03-04 01:22:16,639 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 [2022-03-04 01:22:16,668 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 01:22:16,681 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 [2022-03-04 01:22:16,682 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 01:22:18,326 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12063 transitions and produced 4217 states. [2022-03-04 01:22:18,328 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:22:18,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:22:18,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1598486337, now seen corresponding path program 1 times [2022-03-04 01:22:18,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:22:18,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616104736] [2022-03-04 01:22:18,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:22:18,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:22:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:22:19,049 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 280 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:22:19,050 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:22:19,050 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616104736] [2022-03-04 01:22:19,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616104736] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:22:19,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7175774] [2022-03-04 01:22:19,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:22:19,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:22:19,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:22:19,056 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) [2022-03-04 01:22:19,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 01:22:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:22:19,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-04 01:22:19,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:22:19,523 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 89 proven. 12 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-03-04 01:22:19,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:22:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 89 proven. 12 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2022-03-04 01:22:19,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7175774] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:22:19,824 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:22:19,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 10, 10] total 39 [2022-03-04 01:22:19,825 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702844406] [2022-03-04 01:22:19,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:22:19,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-03-04 01:22:19,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:22:19,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-03-04 01:22:19,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=1220, Unknown=0, NotChecked=0, Total=1482 [2022-03-04 01:22:19,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:19,847 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:22:19,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.3846153846153846) internal successors, (132), 39 states have internal predecessors, (132), 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) [2022-03-04 01:22:19,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:21,354 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12079 transitions and produced 4233 states. [2022-03-04 01:22:21,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:21,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 01:22:21,573 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 [2022-03-04 01:22:21,574 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:22:21,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:22:21,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2047927594, now seen corresponding path program 2 times [2022-03-04 01:22:21,574 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:22:21,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189099779] [2022-03-04 01:22:21,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:22:21,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:22:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:22:21,913 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 280 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:22:21,914 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:22:21,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189099779] [2022-03-04 01:22:21,914 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189099779] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:22:21,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210951067] [2022-03-04 01:22:21,914 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 01:22:21,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:22:21,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:22:21,920 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) [2022-03-04 01:22:21,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 01:22:21,974 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 01:22:21,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:22:21,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-04 01:22:21,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:22:22,293 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 122 proven. 22 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-04 01:22:22,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:22:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 122 proven. 22 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-03-04 01:22:22,660 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210951067] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:22:22,661 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:22:22,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 12, 12] total 43 [2022-03-04 01:22:22,662 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566181547] [2022-03-04 01:22:22,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:22:22,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-04 01:22:22,664 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:22:22,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-04 01:22:22,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1507, Unknown=0, NotChecked=0, Total=1806 [2022-03-04 01:22:22,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:22,666 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:22:22,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.3488372093023258) internal successors, (144), 43 states have internal predecessors, (144), 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) [2022-03-04 01:22:22,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:22,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:24,104 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 12095 transitions and produced 4249 states. [2022-03-04 01:22:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:22:24,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-04 01:22:24,308 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 [2022-03-04 01:22:24,308 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:22:24,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:22:24,309 INFO L85 PathProgramCache]: Analyzing trace with hash -355614047, now seen corresponding path program 3 times [2022-03-04 01:22:24,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:22:24,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603025928] [2022-03-04 01:22:24,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:22:24,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:22:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:22:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 280 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:22:24,692 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:22:24,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603025928] [2022-03-04 01:22:24,692 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603025928] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:22:24,692 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852690431] [2022-03-04 01:22:24,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 01:22:24,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:22:24,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:22:24,694 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) [2022-03-04 01:22:24,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 01:22:24,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2022-03-04 01:22:24,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:22:24,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-04 01:22:24,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:22:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 198 proven. 145 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-04 01:22:25,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:22:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 308 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-04 01:22:25,698 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852690431] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:22:25,698 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:22:25,699 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 19, 19] total 61 [2022-03-04 01:22:25,699 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099201430] [2022-03-04 01:22:25,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:22:25,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-03-04 01:22:25,699 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:22:25,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-03-04 01:22:25,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=3016, Unknown=0, NotChecked=0, Total=3660 [2022-03-04 01:22:25,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:25,701 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:22:25,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.5081967213114753) internal successors, (214), 61 states have internal predecessors, (214), 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) [2022-03-04 01:22:25,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:25,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:22:25,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:26,393 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 660 transitions and produced 489 states. [2022-03-04 01:22:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:22:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 01:22:26,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 01:22:26,607 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 [2022-03-04 01:22:26,608 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:22:26,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:22:26,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1307384054, now seen corresponding path program 4 times [2022-03-04 01:22:26,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:22:26,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363830941] [2022-03-04 01:22:26,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:22:26,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:22:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:22:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 280 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:22:26,967 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:22:26,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363830941] [2022-03-04 01:22:26,967 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363830941] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:22:26,967 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999269541] [2022-03-04 01:22:26,967 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 01:22:26,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:22:26,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:22:26,969 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) [2022-03-04 01:22:26,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 01:22:27,023 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 01:22:27,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:22:27,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjunts are in the unsatisfiable core [2022-03-04 01:22:27,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:22:27,691 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 228 proven. 184 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-03-04 01:22:27,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:22:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 267 proven. 145 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-03-04 01:22:28,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999269541] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:22:28,492 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:22:28,492 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 25, 25] total 76 [2022-03-04 01:22:28,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723611368] [2022-03-04 01:22:28,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:22:28,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-03-04 01:22:28,493 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:22:28,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-03-04 01:22:28,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=985, Invalid=4715, Unknown=0, NotChecked=0, Total=5700 [2022-03-04 01:22:28,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:28,495 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:22:28,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.1578947368421053) internal successors, (240), 76 states have internal predecessors, (240), 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) [2022-03-04 01:22:28,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:28,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:22:28,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 01:22:28,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:29,282 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 676 transitions and produced 517 states. [2022-03-04 01:22:29,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:29,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:22:29,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 01:22:29,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-04 01:22:29,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 01:22:29,483 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 [2022-03-04 01:22:29,483 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:22:29,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:22:29,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1671039807, now seen corresponding path program 5 times [2022-03-04 01:22:29,484 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:22:29,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301864530] [2022-03-04 01:22:29,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:22:29,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:22:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:22:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 280 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:22:29,883 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:22:29,883 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301864530] [2022-03-04 01:22:29,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301864530] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:22:29,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950862830] [2022-03-04 01:22:29,884 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 01:22:29,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:22:29,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:22:29,885 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) [2022-03-04 01:22:29,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 01:22:29,934 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2022-03-04 01:22:29,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:22:29,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-04 01:22:29,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:22:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 224 proven. 234 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-04 01:22:30,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:22:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 282 proven. 176 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-03-04 01:22:31,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950862830] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:22:31,444 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:22:31,444 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 27, 27] total 80 [2022-03-04 01:22:31,444 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655418841] [2022-03-04 01:22:31,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:22:31,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-03-04 01:22:31,445 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:22:31,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-03-04 01:22:31,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1089, Invalid=5231, Unknown=0, NotChecked=0, Total=6320 [2022-03-04 01:22:31,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:31,448 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:22:31,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.15) internal successors, (252), 80 states have internal predecessors, (252), 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) [2022-03-04 01:22:31,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:31,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:22:31,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 01:22:31,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-03-04 01:22:31,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:32,228 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 692 transitions and produced 533 states. [2022-03-04 01:22:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:22:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 01:22:32,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-04 01:22:32,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-04 01:22:32,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 01:22:32,447 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 [2022-03-04 01:22:32,448 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:22:32,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:22:32,448 INFO L85 PathProgramCache]: Analyzing trace with hash 862910378, now seen corresponding path program 6 times [2022-03-04 01:22:32,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:22:32,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133705842] [2022-03-04 01:22:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:22:32,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:22:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:22:32,840 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 280 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:22:32,840 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:22:32,840 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133705842] [2022-03-04 01:22:32,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133705842] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:22:32,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481080056] [2022-03-04 01:22:32,841 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 01:22:32,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:22:32,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:22:32,842 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) [2022-03-04 01:22:32,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 01:22:32,895 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-03-04 01:22:32,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 01:22:32,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-04 01:22:32,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:22:33,938 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 280 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:22:33,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 01:22:35,206 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 338 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:22:35,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481080056] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 01:22:35,206 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 01:22:35,207 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 101 [2022-03-04 01:22:35,207 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666331857] [2022-03-04 01:22:35,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 01:22:35,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-03-04 01:22:35,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 01:22:35,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-03-04 01:22:35,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2025, Invalid=8075, Unknown=0, NotChecked=0, Total=10100 [2022-03-04 01:22:35,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:35,211 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 01:22:35,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.0792079207920793) internal successors, (311), 101 states have internal predecessors, (311), 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) [2022-03-04 01:22:35,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:22:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 01:22:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-03-04 01:22:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-03-04 01:22:35,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 01:22:36,718 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 820 transitions and produced 640 states. [2022-03-04 01:22:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 01:22:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 01:22:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 01:22:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-04 01:22:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-04 01:22:36,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-04 01:22:36,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-04 01:22:36,919 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 [2022-03-04 01:22:36,920 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 01:22:36,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 01:22:36,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1336047062, now seen corresponding path program 7 times [2022-03-04 01:22:36,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 01:22:36,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754034079] [2022-03-04 01:22:36,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 01:22:36,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 01:22:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:22:48,853 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 128 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 01:22:48,853 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 01:22:48,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754034079] [2022-03-04 01:22:48,854 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754034079] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 01:22:48,854 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537572777] [2022-03-04 01:22:48,854 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 01:22:48,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 01:22:48,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 01:22:48,855 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) [2022-03-04 01:22:48,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 01:22:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 01:22:48,913 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 168 conjunts are in the unsatisfiable core [2022-03-04 01:22:48,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 01:23:07,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,777 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:07,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,790 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:07,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:07,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:07,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:07,825 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 387 treesize of output 297 [2022-03-04 01:23:21,562 WARN L228 SmtUtils]: Spent 13.71s on a formula simplification. DAG size of input: 1785 DAG size of output: 1251 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-04 01:23:21,565 INFO L353 Elim1Store]: treesize reduction 2278, result has 58.0 percent of original size [2022-03-04 01:23:21,567 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 297 treesize of output 3195 [2022-03-04 01:23:21,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,748 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:21,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,769 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:21,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,778 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:21,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,783 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:21,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 01:23:21,788 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 01:23:21,791 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 4308 treesize of output 3458 Received shutdown request... [2022-03-04 01:36:20,511 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 [2022-03-04 01:36:20,512 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 [2022-03-04 01:36:20,513 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 [2022-03-04 01:36:20,518 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 01:36:20,520 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 01:36:20,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-04 01:36:20,735 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 [2022-03-04 01:36:20,736 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 44ms.. [2022-03-04 01:36:20,737 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 01:36:20,737 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 01:36:20,737 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 01:36:20,741 INFO L732 BasicCegarLoop]: Path program histogram: [7] [2022-03-04 01:36:20,743 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 01:36:20,743 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 01:36:20,744 INFO L202 PluginConnector]: Adding new model dot-product-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 01:36:20 BasicIcfg [2022-03-04 01:36:20,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 01:36:20,745 INFO L158 Benchmark]: Toolchain (without parser) took 844474.77ms. Allocated memory was 211.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 176.1MB in the beginning and 842.9MB in the end (delta: -666.7MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-03-04 01:36:20,745 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.50ms. Allocated memory is still 211.8MB. Free memory is still 177.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 01:36:20,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.53ms. Allocated memory is still 211.8MB. Free memory was 176.1MB in the beginning and 174.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:36:20,745 INFO L158 Benchmark]: Boogie Preprocessor took 11.25ms. Allocated memory is still 211.8MB. Free memory was 174.7MB in the beginning and 173.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 01:36:20,746 INFO L158 Benchmark]: RCFGBuilder took 209.90ms. Allocated memory is still 211.8MB. Free memory was 173.6MB in the beginning and 164.6MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 01:36:20,746 INFO L158 Benchmark]: TraceAbstraction took 844230.54ms. Allocated memory was 211.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 164.2MB in the beginning and 842.9MB in the end (delta: -678.7MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-03-04 01:36:20,747 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 0.50ms. Allocated memory is still 211.8MB. Free memory is still 177.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.53ms. Allocated memory is still 211.8MB. Free memory was 176.1MB in the beginning and 174.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.25ms. Allocated memory is still 211.8MB. Free memory was 174.7MB in the beginning and 173.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 209.90ms. Allocated memory is still 211.8MB. Free memory was 173.6MB in the beginning and 164.6MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 844230.54ms. Allocated memory was 211.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 164.2MB in the beginning and 842.9MB in the end (delta: -678.7MB). 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: 61]: 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 forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 44ms.. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 44ms.. - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 139 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 44ms.. - TimeoutResultAtElement [Line: 55]: 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 forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 1 for 44ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 844.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 8.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 277, 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, 9.9s InterpolantComputationTime, 1206 NumberOfCodeBlocks, 1200 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1791 ConstructedInterpolants, 0 QuantifiedInterpolants, 11035 SizeOfPredicates, 40 NumberOfNonLiveVariables, 1091 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 18 InterpolantComputations, 0 PerfectInterpolantSequences, 5471/7884 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