/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 17:16:14,725 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 17:16:14,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 17:16:14,842 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 17:16:14,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 17:16:14,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 17:16:14,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 17:16:14,843 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 17:16:14,843 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 17:16:14,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 17:16:14,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 17:16:14,844 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 17:16:14,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 17:16:14,845 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 17:16:14,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 17:16:14,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 17:16:14,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 17:16:14,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 17:16:14,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 17:16:14,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 17:16:14,846 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 17:16:14,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 17:16:14,846 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 17:16:14,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 17:16:14,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 17:16:14,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 17:16:14,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 17:16:14,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 17:16:14,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 17:16:14,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 17:16:14,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 17:16:14,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 17:16:14,849 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 17:16:14,849 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 17:16:14,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 17:16:14,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 17:16:14,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 17:16:14,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 17:16:14,850 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 17:16:14,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-03 17:16:15,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 17:16:15,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 17:16:15,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 17:16:15,117 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 17:16:15,118 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 17:16:15,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2023-05-03 17:16:15,120 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2023-05-03 17:16:15,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 17:16:15,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 17:16:15,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 17:16:15,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 17:16:15,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 17:16:15,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,175 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 17:16:15,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 17:16:15,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 17:16:15,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 17:16:15,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 17:16:15,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,199 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 17:16:15,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 17:16:15,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 17:16:15,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 17:16:15,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/1) ... [2023-05-03 17:16:15,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 17:16:15,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:16:15,231 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) [2023-05-03 17:16:15,235 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 [2023-05-03 17:16:15,268 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 17:16:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 17:16:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 17:16:15,269 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 17:16:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 17:16:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 17:16:15,269 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 17:16:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 17:16:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 17:16:15,269 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 17:16:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 17:16:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 17:16:15,270 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 17:16:15,310 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 17:16:15,312 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 17:16:15,443 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 17:16:15,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 17:16:15,458 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 17:16:15,460 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:16:15 BoogieIcfgContainer [2023-05-03 17:16:15,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 17:16:15,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 17:16:15,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 17:16:15,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 17:16:15,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 05:16:15" (1/2) ... [2023-05-03 17:16:15,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5655d2 and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:16:15, skipping insertion in model container [2023-05-03 17:16:15,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:16:15" (2/2) ... [2023-05-03 17:16:15,489 INFO L112 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2023-05-03 17:16:15,495 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 17:16:15,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 17:16:15,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 17:16:15,504 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 17:16:15,566 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 17:16:15,623 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 17:16:15,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 17:16:15,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:16:15,625 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) [2023-05-03 17:16:15,643 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 [2023-05-03 17:16:15,687 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 17:16:15,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 17:16:15,722 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fb1e008, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 17:16:15,722 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 17:16:15,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 17:16:15,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:16:15,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1796149268, now seen corresponding path program 1 times [2023-05-03 17:16:15,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:16:15,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480166754] [2023-05-03 17:16:15,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:16:15,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:16:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:16:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-03 17:16:16,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:16:16,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480166754] [2023-05-03 17:16:16,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480166754] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 17:16:16,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 17:16:16,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 17:16:16,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344488341] [2023-05-03 17:16:16,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 17:16:16,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 17:16:16,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:16:16,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 17:16:16,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-03 17:16:16,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:16:16,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:16:16,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-05-03 17:16:16,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:16:16,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:16:16,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 17:16:16,324 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 17:16:16,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:16:16,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1012603992, now seen corresponding path program 1 times [2023-05-03 17:16:16,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:16:16,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852876719] [2023-05-03 17:16:16,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:16:16,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:16:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:16:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 17:16:16,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:16:16,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852876719] [2023-05-03 17:16:16,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852876719] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:16:16,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858198207] [2023-05-03 17:16:16,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:16:16,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:16:16,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:16:16,689 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) [2023-05-03 17:16:16,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 17:16:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:16:16,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-03 17:16:16,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:16:16,913 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-03 17:16:16,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:16:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 17:16:17,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858198207] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 17:16:17,083 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 17:16:17,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 9] total 20 [2023-05-03 17:16:17,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721979671] [2023-05-03 17:16:17,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 17:16:17,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-03 17:16:17,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:16:17,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-03 17:16:17,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2023-05-03 17:16:17,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:16:17,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:16:17,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.75) internal successors, (75), 20 states have internal predecessors, (75), 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) [2023-05-03 17:16:17,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:16:17,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:16:17,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:16:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 17:16:17,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-03 17:16:17,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-03 17:16:17,563 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 17:16:17,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:16:17,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1371210224, now seen corresponding path program 2 times [2023-05-03 17:16:17,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:16:17,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288504105] [2023-05-03 17:16:17,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:16:17,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:16:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:16:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:16:18,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:16:18,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288504105] [2023-05-03 17:16:18,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288504105] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:16:18,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789908500] [2023-05-03 17:16:18,492 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 17:16:18,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:16:18,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:16:18,494 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) [2023-05-03 17:16:18,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 17:16:18,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 17:16:18,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 17:16:18,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 41 conjunts are in the unsatisfiable core [2023-05-03 17:16:18,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:16:19,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:16:19,170 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:19,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-05-03 17:16:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:16:19,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:16:19,857 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:16:19,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 40 treesize of output 195 [2023-05-03 17:16:21,606 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,608 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,609 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,610 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,616 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,617 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,618 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,618 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,620 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,622 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,623 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:21,656 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:16:21,658 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 39 treesize of output 86 [2023-05-03 17:16:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:16:21,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789908500] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 17:16:21,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 17:16:21,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2023-05-03 17:16:21,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115142762] [2023-05-03 17:16:21,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 17:16:21,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-03 17:16:21,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:16:21,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-03 17:16:21,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1202, Unknown=0, NotChecked=0, Total=1332 [2023-05-03 17:16:21,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:16:21,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:16:21,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.324324324324324) internal successors, (86), 37 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 17:16:21,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:16:21,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 17:16:21,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:16:26,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:16:26,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 17:16:26,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 17:16:27,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 17:16:27,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:16:27,201 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 17:16:27,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:16:27,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1100268566, now seen corresponding path program 3 times [2023-05-03 17:16:27,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:16:27,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142835898] [2023-05-03 17:16:27,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:16:27,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:16:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:16:27,398 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-03 17:16:27,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:16:27,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142835898] [2023-05-03 17:16:27,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142835898] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:16:27,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680337425] [2023-05-03 17:16:27,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 17:16:27,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:16:27,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:16:27,400 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) [2023-05-03 17:16:27,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 17:16:27,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-05-03 17:16:27,448 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 17:16:27,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 17 conjunts are in the unsatisfiable core [2023-05-03 17:16:27,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:16:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 59 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-03 17:16:27,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:16:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 9 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:16:27,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680337425] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 17:16:27,929 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 17:16:27,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 18] total 32 [2023-05-03 17:16:27,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68522532] [2023-05-03 17:16:27,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 17:16:27,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-05-03 17:16:27,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:16:27,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-05-03 17:16:27,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=724, Unknown=0, NotChecked=0, Total=992 [2023-05-03 17:16:27,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:16:27,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:16:27,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.40625) internal successors, (109), 32 states have internal predecessors, (109), 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) [2023-05-03 17:16:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:16:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 17:16:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 17:16:27,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:16:28,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:16:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 17:16:28,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 17:16:28,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 17:16:28,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 17:16:28,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:16:28,713 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 17:16:28,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:16:28,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1532857340, now seen corresponding path program 4 times [2023-05-03 17:16:28,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:16:28,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227546502] [2023-05-03 17:16:28,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:16:28,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:16:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:16:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 13 proven. 127 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-03 17:16:30,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:16:30,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227546502] [2023-05-03 17:16:30,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227546502] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:16:30,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903870047] [2023-05-03 17:16:30,051 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 17:16:30,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:16:30,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:16:30,053 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) [2023-05-03 17:16:30,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 17:16:30,105 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 17:16:30,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 17:16:30,107 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 81 conjunts are in the unsatisfiable core [2023-05-03 17:16:30,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:16:31,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:16:31,351 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:16:31,353 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 25 [2023-05-03 17:16:31,382 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:16:31,382 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:16:33,934 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:16:33,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 28 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 125 case distinctions, treesize of input 89 treesize of output 894 [2023-05-03 17:17:21,774 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,775 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,776 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,777 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,778 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,785 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,786 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,787 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,788 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,789 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,790 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,791 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,791 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,794 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,795 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,796 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,799 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,800 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,801 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,802 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,802 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,803 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,804 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,805 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,806 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,806 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,807 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,808 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,808 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,808 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,809 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,810 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,810 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,812 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,812 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,812 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,813 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,813 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,814 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,814 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,814 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,815 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,815 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,816 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,817 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,818 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,819 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,820 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,829 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,831 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,832 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,833 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,833 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,834 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,835 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,835 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,836 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,841 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,841 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,842 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,842 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,843 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,845 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,846 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,846 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:21,928 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:17:21,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 135 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 18 case distinctions, treesize of input 90 treesize of output 187 [2023-05-03 17:17:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:17:22,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903870047] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 17:17:22,472 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 17:17:22,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 24, 24] total 62 [2023-05-03 17:17:22,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102872517] [2023-05-03 17:17:22,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 17:17:22,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-05-03 17:17:22,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:17:22,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-05-03 17:17:22,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=3559, Unknown=0, NotChecked=0, Total=3782 [2023-05-03 17:17:22,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:22,475 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:17:22,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 2.274193548387097) internal successors, (141), 62 states have internal predecessors, (141), 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) [2023-05-03 17:17:22,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:17:22,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 17:17:22,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 17:17:22,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 17:17:22,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:17:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 17:17:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 17:17:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 17:17:41,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-03 17:17:41,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 17:17:42,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:17:42,094 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 17:17:42,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:17:42,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1821907908, now seen corresponding path program 5 times [2023-05-03 17:17:42,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:17:42,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526753794] [2023-05-03 17:17:42,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:17:42,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:17:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:17:42,357 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 112 proven. 101 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 17:17:42,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:17:42,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526753794] [2023-05-03 17:17:42,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526753794] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:17:42,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648195729] [2023-05-03 17:17:42,357 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 17:17:42,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:17:42,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:17:42,359 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) [2023-05-03 17:17:42,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 17:17:42,415 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2023-05-03 17:17:42,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 17:17:42,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 25 conjunts are in the unsatisfiable core [2023-05-03 17:17:42,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:17:42,665 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 121 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-03 17:17:42,665 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:17:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 9 proven. 213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:17:43,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648195729] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 17:17:43,164 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 17:17:43,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 26] total 45 [2023-05-03 17:17:43,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537936238] [2023-05-03 17:17:43,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 17:17:43,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-05-03 17:17:43,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 17:17:43,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-05-03 17:17:43,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1612, Unknown=0, NotChecked=0, Total=1980 [2023-05-03 17:17:43,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:43,166 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 17:17:43,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.0444444444444443) internal successors, (137), 45 states have internal predecessors, (137), 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) [2023-05-03 17:17:43,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:17:43,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-03 17:17:43,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-03 17:17:43,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-03 17:17:43,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-03 17:17:43,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 17:17:44,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 17:17:44,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-03 17:17:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-03 17:17:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-03 17:17:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-03 17:17:44,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 17:17:44,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 17:17:44,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:17:44,333 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 17:17:44,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 17:17:44,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1283627264, now seen corresponding path program 6 times [2023-05-03 17:17:44,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 17:17:44,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83597233] [2023-05-03 17:17:44,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 17:17:44,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 17:17:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 17:17:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 37 proven. 222 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-03 17:17:46,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 17:17:46,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83597233] [2023-05-03 17:17:46,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83597233] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 17:17:46,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433146166] [2023-05-03 17:17:46,169 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 17:17:46,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:17:46,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 17:17:46,171 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) [2023-05-03 17:17:46,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 17:17:46,216 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2023-05-03 17:17:46,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 17:17:46,218 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 108 conjunts are in the unsatisfiable core [2023-05-03 17:17:46,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 17:17:48,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-03 17:17:48,512 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:17:48,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 99 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 79 [2023-05-03 17:17:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 266 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 17:17:48,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 17:17:54,736 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:54,744 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:54,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:54,745 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:54,746 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:54,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:54,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:54,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:54,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:54,748 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:54,749 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 17:17:57,848 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 17:17:57,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 78 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 198 case distinctions, treesize of input 117 treesize of output 1620 Received shutdown request... [2023-05-03 17:30:13,189 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-03 17:30:13,190 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-03 17:30:13,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-03 17:30:13,224 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 [2023-05-03 17:30:13,224 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-03 17:30:13,224 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 [2023-05-03 17:30:13,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 17:30:13,391 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 67 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20 for 6ms.. [2023-05-03 17:30:13,392 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-03 17:30:13,393 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-03 17:30:13,393 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-03 17:30:13,396 INFO L444 BasicCegarLoop]: Path program histogram: [6, 1] [2023-05-03 17:30:13,397 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 17:30:13,397 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 17:30:13,399 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 05:30:13 BasicIcfg [2023-05-03 17:30:13,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 17:30:13,400 INFO L158 Benchmark]: Toolchain (without parser) took 838250.27ms. Allocated memory was 206.6MB in the beginning and 896.5MB in the end (delta: 690.0MB). Free memory was 164.3MB in the beginning and 823.7MB in the end (delta: -659.3MB). Peak memory consumption was 549.1MB. Max. memory is 8.0GB. [2023-05-03 17:30:13,400 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 206.6MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 17:30:13,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.34ms. Allocated memory is still 206.6MB. Free memory was 164.3MB in the beginning and 162.7MB in the end (delta: 1.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-03 17:30:13,400 INFO L158 Benchmark]: Boogie Preprocessor took 22.83ms. Allocated memory is still 206.6MB. Free memory was 162.7MB in the beginning and 161.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 17:30:13,401 INFO L158 Benchmark]: RCFGBuilder took 258.65ms. Allocated memory is still 206.6MB. Free memory was 161.6MB in the beginning and 151.6MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-03 17:30:13,401 INFO L158 Benchmark]: TraceAbstraction took 837936.77ms. Allocated memory was 206.6MB in the beginning and 896.5MB in the end (delta: 690.0MB). Free memory was 150.4MB in the beginning and 823.7MB in the end (delta: -673.3MB). Peak memory consumption was 534.4MB. Max. memory is 8.0GB. [2023-05-03 17:30:13,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16ms. Allocated memory is still 206.6MB. Free memory is still 165.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.34ms. Allocated memory is still 206.6MB. Free memory was 164.3MB in the beginning and 162.7MB in the end (delta: 1.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.83ms. Allocated memory is still 206.6MB. Free memory was 162.7MB in the beginning and 161.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 258.65ms. Allocated memory is still 206.6MB. Free memory was 161.6MB in the beginning and 151.6MB in the end (delta: 10.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 837936.77ms. Allocated memory was 206.6MB in the beginning and 896.5MB in the end (delta: 690.0MB). Free memory was 150.4MB in the beginning and 823.7MB in the end (delta: -673.3MB). Peak memory consumption was 534.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1584, independent: 1241, independent conditional: 839, independent unconditional: 402, dependent: 343, dependent conditional: 343, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1241, independent: 1241, independent conditional: 839, independent unconditional: 402, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1241, independent: 1241, independent conditional: 839, independent unconditional: 402, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1241, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1241, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1241, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 365, independent: 365, independent conditional: 0, independent unconditional: 365, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 365, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1241, independent: 876, independent conditional: 0, independent unconditional: 876, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 365, unknown conditional: 0, unknown unconditional: 365] , Statistics on independence cache: Total cache size (in pairs): 365, Positive cache size: 365, Positive conditional cache size: 0, Positive unconditional cache size: 365, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 343 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 57, Number of trivial persistent sets: 33, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 402, independent: 402, independent conditional: 0, independent unconditional: 402, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1584, independent: 1241, independent conditional: 839, independent unconditional: 402, dependent: 343, dependent conditional: 343, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1241, independent: 1241, independent conditional: 839, independent unconditional: 402, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1241, independent: 1241, independent conditional: 839, independent unconditional: 402, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1241, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1241, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1241, independent: 1241, independent conditional: 0, independent unconditional: 1241, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 365, independent: 365, independent conditional: 0, independent unconditional: 365, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 365, independent: 361, independent conditional: 0, independent unconditional: 361, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1241, independent: 876, independent conditional: 0, independent unconditional: 876, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 365, unknown conditional: 0, unknown unconditional: 365] , Statistics on independence cache: Total cache size (in pairs): 365, Positive cache size: 365, Positive conditional cache size: 0, Positive unconditional cache size: 365, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 343 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 67 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20 for 6ms.. - TimeoutResultAtElement [Line: 58]: 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 67 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20 for 6ms.. - TimeoutResultAtElement [Line: 59]: 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 67 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20 for 6ms.. - TimeoutResultAtElement [Line: 58]: 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 67 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 20 for 6ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 837.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 26.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 219, 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, 0.2s SatisfiabilityAnalysisTime, 60.5s InterpolantComputationTime, 484 NumberOfCodeBlocks, 484 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 700 ConstructedInterpolants, 13 QuantifiedInterpolants, 14756 SizeOfPredicates, 38 NumberOfNonLiveVariables, 585 ConjunctsInSsa, 172 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 451/1576 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